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For Workbook Audio go to:

IFC_FastFacts_1_6.indd 5 Our World Online

12/19/12 11:40 AM

Go to: myNGconnect.com
Click on: FOR STUDENTS
Username: owstudent5
Password: natgeo
Printed in the United States of America
4 5 6 7 8 21 20 19 18
 Our World 5
Workbook
Series Editors
Joan Kang Shin
JoAnn (Jodi) Crandall

Author
Ronald Scro

Unit 1 Extreme Weather . . . . . . . . . . . . . . . . . . . . . . 2

Unit 2 Copycat Animals . . . . . . . . . . . . . . . . . . . . . . 14
Unit 3 Music in Our World . . . . . . . . . . . . . . . . . . . . 26
Units 1–3 Review . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Unit 4 Life Out There . . . . . . . . . . . . . . . . . . . . . . . . 42

Unit 5 Arts Lost and Found . . . . . . . . . . . . . . . . . . . 54
Unit 6 Amazing Plants! . . . . . . . . . . . . . . . . . . . . . . 66
Units 4–6 Review . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

Unit 7 Volcanoes . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Unit 8 Reduce, Reuse, Recycle . . . . . . . . . . . . . . . . 94
Unit 9 Cool Vacations! . . . . . . . . . . . . . . . . . . . . . . 106
Units 7–9 Review . . . . . . . . . . . . . . . . . . . . . . . . . . . 118

Additional Activities and Games . . . . . . . . . . . . . 122

Australia • Brazil • Japan • Korea • Mexico • Singapore • Spain • United Kingdom • United States
 Unit 1

Extreme Weather
1 Read and write. Do the Extreme Puzzle!
1 2

3 4

5 6

10 11

12

13 14

15

Across Down
3. Bad storm with very fast, 1. Loud noise from a storm
dangerous winds 2. Can make night look like day
8. Go up 4. From low to high or high to low
11. How fast? 5. Snow falling hard
12. Too little rain 6. What you see on the first page of unit 1
13. Go down in your Student Book (two words)
15. Storm with strong 7. Strong winds blowing in a desert
twisting winds 9. Hot for many days (two words)
10. A storm with fast winds
14. Too much water
2
2 Listen and circle. Listen for the puzzle words. Circle them on
the puzzle in Activity 1. TR: 02

3 Unscramble the words.

1. egnar 4. natdoor

2. orpd 5. dazilbrz

3. ughdrot 6. tansmords

4 Read and write. Use the words from Activity 3 to complete

the sentences.
1. The water in the lake was low because of the .

2. The winds from the lifted a car and moved it 30 meters (98 feet)!

3. If there is a in the temperature, I will need to wear a coat.

4. When it is windy in a desert, there can be a .

5. What was the of temperatures today, from lowest to highest?

6. In a really bad , sometimes all you can see is white!

3
 5 Listen and write. Use verses from the song. TR: 03
There’s bad weather on the way! When there’s going to be a storm,
There’s bad weather on the way. I hurry inside!

Is it going to storm? Yes, it is! Be prepared for emergencies.

Is there going to be lightning? Yes, there is! It’s always good to be safe. You’ll see!
Is there going to be thunder? Yes, there is! Grab supplies and a flashlight, too.
Seek shelter. It’s the safe thing to do!

Is it going to storm?
Yes, it is!

6 Write a new verse for the song.

Is/Are ? Yes, !

Is/Are ? Yes, !

Is/Are ? Oh, yes !

4
 Grammar
Is it going to be sunny tomorrow? No, it’s going to rain.
He’s going to stay home because of the storm.
I’m going to wear rain boots! They say it’s going to rain a lot!

7 Write. What are they going to do on a rainy Saturday?

1. Mario / walk / in the rain Mario's going to walk in the rain.

2. Pedro / read / newspaper

3. I / write / story

4. Marta and Carla / listen / radio

5. Pablo / sleep

8 Answer the questions using the given word.

1. What’s the weather going to be like tomorrow? (ice storm)
Tomorrow there’s going to be an ice storm.
2. What’s going to happen if it rains for another day? (flood)

3. What are you going to do when there is a drought? (water)

4. When she sees lightning, what is she going to hear soon after? (thunder)

5. It’s going to snow. What is he going to do? (boots)

5
 9 Read and check.

What is it? a plan a shelter an emergency

1. A hurricane arrives, and the streets are

flooding.

2. The winds are strong, and trees are falling.

3. Get fresh water and other supplies.

4. A room under a house. You can go there if

there is a hurricane.

5. Have a radio nearby at all times.

10 Complete the sentences. Use words from the box. Some words may
be used more than once.

emergency evacuate flashlight plan shelter supplies

1. I’m going to take this flashlight with me to a(n) shelter .

2. You need a(n) so that you know when to .

3. In a(n) , you will need like food and water.

4. This is a(n) , and everyone must to a(n) .

5. My is to keep a(n) with my .

6
11 Read and match.
1. very, very cold a. drought
2. winds that spin b. thunder
3. very hot for a long time c. ice storm
4. hot, dry, and very windy d. sandstorm
5. very hot and dry for a long time e. tornado
6. loud noise f. heat wave

12 Write the temperature change.

Su M Tu W Th F Sa Su M Tu W Th F Sa Su M Tu W Th F Sa
40 40 40
35 35 35
•34
33
30 30 30 • 32 • 32 • 31 •
• 29 •28
25 25 25
20 20 20

1. a in temperature 2. a in temperature 3. a of temperatures

13 Write true sentences.

1. After you see thunder, you may hear lightning.
After you hear thunder, you may see lightning.

2. A lot of rain after a flood can cause a drought.

3. It can be very hot during a blizzard or an ice storm.

4. The wind speed is slow in a tropical storm.

14 Work with a partner. Student 1, go to page 122. Student 2, go to

page 124.

7
 Grammar

I give you a pen, you can write sentences.

the weather is bad, I stay home.
If (then)
there is a snow storm, school closes early.
we forget an umbrella, it always rains.
School closes early if there is a snow storm.
It always rains if I forget an umbrella.

15 Write what you see.

1. If she sees a stop sign, 2. If he sees that it is 3.

she stops her bike raining, , we

. . stand at the bus stop.

4. 5. 6.

. . .

8
18
16 Listen. Check T for True and F for False. TR: 04
T F
1. If a hurricane is coming, Xavier goes to visit his aunt.
T F
2. Xavier puts on his winter coat if it snows.
T F
3. If a storm is coming, Berta listens to the radio.
T F
4. If it snows, Berta watches TV.

17 Write what the weather is going to be like. Then explain what

you normally do in that weather.

1. 2.

It's going to rain. If it rains,

I always stay home.

3. 4.

18 Read and match.

1. If there is lightning, a. the temperature drops.
2. If the temperature drops and rises, b. it is a heat wave.
3. If a tropical storm comes, c. there is also thunder.
4. If the wind speed is 120 kilometers d. it is a hurricane.
per hour (74 miles), e. there is a range of temperatures.
5. If it’s hot for two weeks, f. it will bring rain and high winds.
6. If an ice storm comes,

9
 19 Listen and read. TR: 05

Weather Change
We’ve always had extreme weather. Do you
know that there is more extreme weather
now than in the past? According to
many scientists, this change started
when people started to burn coal,
oil, and gas.
The average temperature
on Earth is rising. Some
droughts are longer and
hotter. More of the ice on
mountains melts faster. If
this water goes to the sea,
the sea level rises.
Different places have
different changes in the
weather. Some places have less
rain. Other places have more rain
and floods. In most places, there
are more storms. Storms are stronger,
too. The warmer sea temperatures make
hurricanes stronger.
Weather change is a fact. But we can do something. For example, we
can make factories and cars more efficient. That way, we can burn less
coal, oil, and gas. We can also build stronger houses in safer areas. We
can use less energy.
There are also some practical things that everyone can do to be
prepared for more extreme weather. People should have a plan and
supplies for emergencies. People who live in areas that can flood or in
hurricane areas should evacuate in an emergency.

The coldest temperature ever

recorded on Earth was −89.2ºC
(−129°F) at Vostok, Antarctica,
on July 21, 1983.

10
20 Circle the best answer.
1. When the weather gets warmer,
a. ice on mountains melts faster.
b. the seas rise.
c. both a and b.
2. To slow weather change, we can
a. build stronger houses.
b. burn less coal, oil, and gas.
c. both a and b.
3. Hurricanes are stronger because
a. the sea water is warmer.
b. droughts are longer and hotter.
c. people don’t evacuate.

21 Work with a partner. Write what you learned from the text.

What did you know?

What did you learn?

What do you want to know?

11
 22 Read Safe not Sorry! on page 16 of your Student Book.
How did the writer plan her writing? Read the steps.
1. The writer chose something that happened.
2. Next, the writer wrote things that happened in the order they happened.
3. Then the writer wrote about her feelings about the things that happened.

Feelings

Scary, but a little exciting, too

Everyone was worried.

I am so happy we covered the windows.

4. Next, the writer added descriptions of how she lived the experience
through her senses. In the chart below, see the sense words used. Notice
that the writer didn’t tell about all her senses. You can tell about all or only
some senses.

See Hear Touch Taste Smell

part of a tree weather forecaster heavy wood

wood on the strong winds
window
hard rain
loud noise

5. Next, the writer wrote a first sentence to say what the paragraph was about.
Last year, the weather forecaster told us that a hurricane was coming.
6. Then the writer wrote what happened in order. She included information
about what she saw, what she heard, and how she felt.
7. Finally, the writer wrote a sentence to close the paragraph.
Next time, I won’t say the wood is too heavy.

12
23 Plan to write about your extreme weather experience.
Answer the questions and complete the chart.
1. What extreme weather experience will you write about?

2. What feelings will you write about?

See Hear Touch Taste Smell

24 Follow the steps on page 12. In your notebook, write your

paragraph about an extreme weather experience.

25 Express yourself. Plan to write about something that happened

to you. Choose one of the items below. Then complete the table.

a happy thing a scary thing a beautiful thing

What words will you What words will you

What experience will
use to describe your use to describe your
you describe?
senses? feelings?

26 Write each thing that happened. Put the events in order.

1.

2.

3.

27 Write your personal narrative in your notebook.

13
 Unit 2

Copycat Animals
1 Find and circle. Hidden words are down and across.

W F G Q I N S E C T U L H X L resemble copies
M R E O F E N A H E C U U I R
frighten hunt
C O P I E S J Z A N P O N O F
A D W A F P A P R E D A T O R poisonous prey
M I D G Q E N I A N G W T Y I predator insect
O H B H I C S U C E B O J V G
imitates stripes
U B O I M I T A T E S Y I X H
species spots
F V Q D I E S K E R P O B O T
L S R E C S M U R P O L K R E camouflage hide
A T K A P U E J I E T K U H N characteristics
G O S T R I P E S O S I T P A
E C D X E I J R T U A V T E Z
D M Q S Y X P O I S O N O U S
A F M R O O U P C A C Y I Z U
Z A M H E C R E S E M B L E X

2 Read and write. Use words from the puzzle.

1. It's hard to see some animals because of the marks on their bodies.

The on some animals can be used as .

2. A/An uses camouflage so it doesn't frighten its

when it’s time to hunt.

3. Some animals use color so other animals can't see them. A/An

that is green can on a leaf.

14
3 Match and make logical sentences.
1. Some insects have characteristics a. that imitate eyes.

2. A frog has two spots on its back b. that can run or hide when frightened.

3. The tiger has stripes on its body c. that help to camouflage it in a jungle.

4. Predators try not to be seen when d. that resemble other poisonous insects.

they hunt prey

4 Listen for the puzzle words. Write the matching words under
the photos. TR: 06

insect hoverfly resembles tiger predator

butterfly spots rabbit prey black widow spider species

5 Make sentences. Use at least two of these words in each sentence.

camouflage characteristics copy frighten hunt imitate poisonous resemble

1.

2.

3.

15
 6 Listen and write. Choose sentences from the song for each picture. TR: 07

1 2 3 4

1. Predators are everywhere, and looking for a feast!

2.

3.

4.

7 Listen to track 8 again and answer. Choose words from the song!
1. What do a frog’s stripes tell its enemies?

2. Why do animals do amazing things?

3. What must the predator and prey do each and every day?

4. What do animals do to hide in front of our eyes?

16
 Grammar
A fox can run as fast as a rabbit.
The stripes of some frogs are as colorful as a flower.
A three-striped frog is as poisonous as a snake.
The spots of a leopard are as black as the night.

8 Complete the sentences.

cute dangerous fast green soft

1. A predator must be as fast as its prey.

2. Some insects can be a leaf.

3. The bite of a spider can be the bite of a snake.

4. The fur of a fox is a cat’s fur.

5. I think a deer is a dog.

9 Write comparisons.

1. the walk of a duck / funny / a turtle’s walk

The walk of a duck is as funny as a turtle’s walk.
2. the wool of an alpaca / soft / a sheep's wool

3. jaguar / dangerous / a cougar

4. predator / can be / camouflaged / its prey

5. a bee sting / painful / a wasp sting

17
 10 Complete the sentences.

attack avoid confuse defend escape

1. A bird goes under water to 2. A zebra moves its head to

an attacking predator. the kick of another zebra.

3. Lions a buffalo. 4. A penguin turns to its

nest from a seal.

5. Fish swim in a circle around a hungry 6. A baby deer hides in the grass to

seal to it. predators.

18
11 Do the puzzle. Find the hidden word.

camouflage characteristics copies

1)
frighten hide hunt imitates
2)
insect poisonous predator prey
3)
resembles species spots stripes
4)
5)
6)
7)
8)
9)

Hidden word:

1. To a hungry lion, an antelope is .

2. One butterfly species the color of another species that tastes bad.

3. This animal is often green or brown and is prey for birds.

4. are round shapes on skin or fur that help camouflage an animal.

5. An animal uses to make it hard to see.

6. A lion walks quietly so that it doesn’t its prey.

7. This is an animal that attacks and eats other animals.

8. A hawk flies in a circle to for mice.

9. are long marks on animals.

12 Work with a partner. Student 1, go to page 122. Student 2, go to

page 124.

19
 Grammar
The spot on that fish looks like an eye, The spot on that fish doesn’t look
doesn’t it? much like an eye, does it?
That deer will run into the forest, That deer won’t run into the forest,
won’t it? will it?
These butterflies are beautiful, aren’t These butterflies aren’t very beautiful,
they? are they?
The coyotes were running fast, The coyotes weren’t running very
weren’t they? fast, were they?
The sting of a bee can hurt, The sting of a bee can’t hurt much,
can’t it? can it?

13 Read and write.

1. The colors are so beautiful, ?

2. The spots on the wings look like eyes, ?

3. That butterfly doesn’t taste bad to predators, ?

4. Well, I’m not going to find out myself, ?

5. That’s a better way of finding the answer to my question, ?

14 Listen and say. Write the question. TR: 08

1. is it ? 5. ?

2. ? 6. ?

3. ? 7. ?

4. ? 8. ?

15 Listen. Check your answers to Activity 14. TR: 09

20
16 Complete the sentences.

clear sharp slippery sweet tall

1. A frog is as slippery as a snake, isn’t it ?

2. The water of some lakes is glass, ?

3. He likes fruit that is candy, ?

4. Your sister is my sister, ?

5. The teeth of a shark can be a knife, ?

17 Read and write.

1. some actors are / famous / the movies they make
Some actors are as famous as the movies they make, aren’t they?
2. his idea is / good / hers

3. an earache is / bad / a headache

4. comic books are / fun to read / any book

5. that blizzard was / cold / an ice storm

21
 18 Listen and read. TR: 10

Why Do
Mockingbirds Copy?
Mockingbirds live in North and South America. They
are good copycats. They imitate other birds. But they can
also imitate other animals. They can even make sounds
that resemble a piano or car alarm. Mockingbirds learn
to sing many songs. Some learn more than 200 different
songs. They can often trick people! But they can’t trick
other birds. If mockingbirds can’t trick other birds, why do
they copy sounds? They do it to attract and avoid other birds!
Males are loud singers and they sing many songs. They always
sing when they want to meet females. A male bird can sing most of
the day and night. The singing attracts females. But it also keeps away other males.
The longer a mockingbird lives, the more songs it knows. To show this characteristic,
the male mockingbird sings all the songs it knows. A female mockingbird is attracted
to a male who has lived a long time.
Mockingbirds usually sing short songs. They sing each sound several times. Then
they move to the next sound. Female mockingbirds sing softly and less often than
males. They usually sing at their nests in the winter to keep away other birds. When
another bird comes near, the mockingbird makes a loud noise to frighten it.
It’s amazing that the mockingbird can copy so many songs of other birds. Some
songs are not easy to learn. The mockingbird must listen well to imitate the sounds.
But a mockingbird also has good eyes and a good memory. When a person comes
near its nest, the mockingbird remembers that person. It knows that person’s face
after many years!

19 Check T for True and F for False.

T F
1. The female mockingbird sings more often than the male.
T F
2. When a mockingbird imitates, it often tricks other birds.
T F
3. The female mockingbird sings to attract the male.
T F
4. Mockingbirds can remember human beings.

22
20 Check what you learned from the text.

Mockingbird characteristic Male Female

1. Live in South America

2. Imitate other birds

3. Are loud singers

4. Always sing many songs

5. Sing to attract

6. Sing to keep away other birds

21 List the facts that you know about the lives of mockingbirds.
Use the text in Activity 18 and the chart in Activity 20.

Male Mockingbirds Female Mockingbirds

Male and Female

22 Answer the questions in your notebook.

1. What is the most interesting fact you learned about mockingbirds?

2. What other animals can imitate sounds?

23
 23 Read One or Two Ways to Imitate on page 32 of your student
book. How did the writer plan? Read the steps.
1. The writer chose a type of animal. The writer chose copycat animals.
2. Next, the writer described the characteristics. Some animals copy the
appearance of other animals. Some animals copy a characteristic like
tasting bad or dangerous weapons.
3. Then the writer wrote about specific animals and described how they copy.

The viceroy and soldier butterflies resemble each

How they look
other. The ash borer moth looks like a wasp.
The viceroy and soldier butterflies taste bad
How they taste
to predators.
The ash borer moth doesn't have a stinger like
Do they have weapons
a wasp.

4. Then the writer wrote a first sentence that says what the paragraph is about.
Some animals copy other animals to avoid attack.
5. Next, the writer wrote about the characteristics of these types of animals.
6. Finally, the writer wrote sentences about specific animals. To show how
these animals belong to a group, the writer used words such as both, each
of, like, but, and unlike.

Imitate in appearance Imitate in appearance and

other characteristics

ash borer moth viceroy butterfly

wasp soldier butterfly

24
24 Plan to write about animals that have some of the same
characteristics. Take notes.

1. Choose a type of animal

2. Describe the characteristics all the animals share. Is it how they look? Is it how
they sound? Is it what they can do?

25 Complete the chart. Write the kind of characteristics you chose in the
first column. Write the way the animals share each characteristic in the
second column.

How they look The animals resemble each other.

26 Now follow steps 1–6 on page 24 to write your paragraph

in your notebook.

27 Express yourself. Choose one of the topics below, and write a

paragraph of classification. Plan your writing, and follow the steps on
page 24. Write your new paragraph in your notebook.
• cats and dogs
• apples and oranges
• pens and pencils

25
 Unit 3

Music in
Our World
1 Look and listen. Write the words that you hear. TR: 11

band beat chord concert drum flute guitar lead singer

melody note perform piano practice rhythm saxophone violin

1 2
practice
flute

3 4

5
6

7
8

26
2 Unscramble and write.
Mei is the dlae nregsi in a danb . There are

four other musicians who play with her. Feng plays the murd .

He makes the tbae for the group. Xui Li plays srodch

with the rtaugi to make the mythhr

. Ting plays each ento of the yoldme

with her hoopnxase . And Xu Guan

plays both the opnai and the oliivn . The

music sounds great because they tarpccie a lot! They rorpfem

at a ecctnor today.

3 Read the words in the box. Write the words in the correct column.

beat chord drum flute guitar melody note piano saxophone violin

Instruments Parts of Music

4 Underline the best answer.

1. play an instrument for others to hear (perform / practice)
2. play an instrument to get better at it (perform / practice)
3. a thing used to make music (lead singer / instrument)
4. a person who uses the voice to make music (lead singer / instrument)

27
 5 Listen to the song. Answer the song questions in order. TR: 12
1. Have you ever listened to hip-hop ?

Yes, I have. / No, I haven’t.

2. Have you ever listened to ?

3. I can hear the . Can you?

4. Have you ever played a ?

5. Have you ever played a ?

6. Have you ever played a ?

6 Read and write. Write new verses for the song.

Listen to the rhythm. Listen to the .

Listen to that band! Listen to that !

Sing the notes Sing the

and clap your hands. and .

The flute is playing. The is playing.

The piano is, too. The is, too.

I can hear the guitar. I can hear the .

Can you? Can you?

28
 Grammar
Has she ever played the piano?
Have you ever sung a pop song?
I have never sung a hip-hop song.
She has never played the guitar.

7 Read and write

1. Have we ever been there?
No, we have never been there .
2.
No, she has never listened to a flute.
3.
No, he has never played a chord on the guitar.
4.
No, I have never been to a concert.
5. Have they ever practiced together?
No, .

Grammar
This is the first time she has ever played the piano.

8 Read and write. Write your own sentences.

1. This is the first time my teacher .
2. It’s the only time I .
3. That’s the first time my friends .
4. This is the only time my brother .

9 Work with a partner. Ask and answer. Take turns.

Have you ever written a No, I have never written a

song before? song before!

29
 10 Look and match. Write the name of the type of music. Then
write the names of performers you know in each column.

classical hip-hop jazz pop rock

1. 4.

2. 5.

3.

hip-hop classical rock jazz pop

11 Listen. Number the music styles in the order you hear them. TR: 13

classical    hip-hop    jazz    pop    rock

30
12 Read and write. Read the second paragraph on page 38 of your Student
Book. Write the words on the fish. Put them in order.

beat chord melody note rhythm

rhythm

13 Complete the sentences.

saxophone concert band rhythm lead singer practice

1. You can be a .
2. You can start a with others.
3. You can to get better.
4. You can go to a .

14 Choose and write. Choose two words from the box. Write a sentence
with the two words.
band beat classical concert drum flute guitar
hip-hop jazz lead singer perform pop rock saxophone

1. I want to play the guitar in a rock band!

2.

3.

4.

5.

31
 Grammar
You broke a string! You should play more
carefully! (+)
Can you play that song more slowly? (+) well → better slowly → more/less
slowly
I play jazz better than my brother does. (+)
badly → worse frequently → more/
He plays the guitar less often than he
less frequently
plays the piano. (−)
fast → faster/
Ines can sing as well as Marison can. (=)
less fast
Mario doesn’t sing as beautifully as his
brother. (=)

15 Complete the sentences.

1. He can perform the other musicians if he practices. (=, well)
2. She plays classical music pop music. (-, often)
3. He plays the violin he plays other string instruments. (+, well)
4. He moves his right hand his left hand. (+, fast)
5. I play the guitar I play the bass. (-, frequently)

16 Read and write. Write sentences using comparisons.

1. Hsin plays the piano well. Hua plays the piano better.
Hua plays the piano better than Hsin.
2. He practices the first song often. He practices the last song less often.

3. We can sing well. They can sing well.

4. I like to listen to rock music. I like to listen to hip-hop music a little less.

5. Pang goes to concerts two times per year. Ming goes to concerts three times per year.

32
17 Read and write. Complete the conversation with words from the box.

better than ever more often than never

Marta: Have you been sad and listened to music to make you happy?

Carla: Yes! Few things work music to change how you feel. There’s

a song my grandma taught me. If I’m sad, I want to hear it

any other song! Has this happened to you?

Marta: Yes! Have you heard a song called Somewhere

Over the Rainbow?

Carla: No, I’ve heard it.

Marta: You should listen to it!

18 Listen and write. TR: 14

1. Has Raul ever played that beat faster than Maria? No, he hasn’t.
2. Have you ever heard me play louder?
3. Has he ever practiced as much as this week?
4. Does Roberto ever play music softer?
5. Does Carmen ever sing worse than Alexa?

19 Find someone in the class that has never done these things.
ride a bike play basketball
have cereal for breakfast listen to hip-hop
go to a classical concert sleep until eleven

Markus, have you ever

ridden a bike?
Yes, I have!

Alex, have you ever

ridden a bike?
No, I haven’t.

33
 20 Listen and read. TR: 15

Listen to This!
“Hey, turn that music down!”
Do you ever wonder why your parents tell you to turn
the volume down when you’re listening to loud music on
your MP3? It’s not because they don’t like the rhythm
and melody. (Well, hip-hop might not be their favorite
music!) It’s important to listen to music and other sounds
at the right volume because if you don’t, it can hurt
your ears!
Did you know that sound travels in waves? These waves
can move fast or slow, depending on their frequency. The
type of sound that these waves make when they move is called
pitch. If a sound wave moves slowly, the pitch is low, like the sound
of someone playing a bass guitar. If a sound wave moves quickly, the pitch is high, like
the sound of someone playing a flute or violin.
Sometimes, a sound has a frequency that is too high or too low for people to hear.
We measure frequency in hertz. The range that humans can hear is 20–20,000 hertz
(Hz). Dolphins can hear sounds from 75–200,000 Hz! That means they can hear things
we can’t.
We measure the volume of a sound in decibels (dB). The sound of people whispering
is about 30 dB, the sound of a rock concert is closer to 115 dB, and the sound of a jet
engine is about 140 dB! The max output of most MP3 players is between 70–90 dB,
which is really loud! Try to keep the volume at 50 dB instead. Your ears will thank you!

Elephant Dog Dolphin

5–10,000 Hz 40–60,000 Hz 75–200,000 Hz

34
21 Check T for True and F for False.
T F
1. Sound travels in waves.
T F
2. If a sound wave moves slowly, the pitch is high.
T F
3. A violin has a higher pitch than a bass guitar.
T F
4. People can hear sounds that are too high for dolphins.

22 Correct the false sentences in Activity 21.

23 Match the words to the definitions.

1. pitch a. unit used to measure frequency

2. frequency b. the position of a sound in a range from low to high

3. decibel c. the speed at which sound waves move

4. hertz d. unit used to measure the volume of a sound

24 Label the graph.

animal

0
0

00

00

00
,0

,0

,0

,0

0,

0,

0,
20

40

60

80

15
10

20

hertz (Hz)
35
 25 Read Composing, Then and Now on page 48 of your Student Book.
How did the writer plan? Read the steps.
1. The writer chose the topic of composing.
2. Next, the writer chose a contrast in that topic: composing in the past and
composing now.
3. Then the writer wrote different facts about the past and now.

Composing Then Composing Now

1. Composers used pen and paper. 1. Composers use computer and phone apps.

2. Composers wrote notes on lined measures 2. C

 omposers hum a song and the app
of music. writes the notes.

4. The writer chose words of contrast to show differences: but now, although, more
and more, before, in contrast, in the past, while.
5. Next, the writer started the paragraph with two contrasting sentences to show
what the paragraph is about. In the past, composers traditionally created their
music with paper and pen. But now,…
6. Then the writer contrasted other characteristics of composing in the past and
composing now.
7. Finally, the writer wrote a sentence to close the paragraph. While a traditional
composer is busy cleaning ink off fingers, a modern composer can write more
songs instead!

26 Plan to write about two styles of music or two instruments.

1. Circle your topic. two styles of music two instruments
2. Write the main facts you want to contrast.

First music style or instrument Second music style or instrument

1. 1.

2. 2.

36
27 Choose words of contrast to show differences. Use them to
contrast the information in the chart.
1.

2.

28 Write more characteristics of the things you are contrasting.

First style or musical instrument

1.

2.

3.

Second style or musical instrument

1.

2.

3.

29 Now follow steps 2–7 on page 36. Write your paragraph of

contrast in your notebook.

30 Express yourself. Choose a topic below to write about then and

now. Plan your writing and follow the steps on page 36. Write
your new paragraph in your notebook.
Cooking meals, then and now Going somewhere, then and now
Having fun, then and now Using a telephone, then and now

37
 Review

1 Match. Connect the words that have opposite meanings.

Then label the pictures.
1. rise a. flood
2. hunt b. hide
3. predator c. defend
4. drought d. heat wave
5. attack e. drop
6. ice storm f. prey

AUGUST
Week 1 Week 2 Week 3 Week 4

40°C

35°C

30°C

25°C

rise – drop
Our World-Workbook Level 5/Unit 1 A1.3.1

38
2 Read and write. Complete the sentences with true information.
1. If a species copies another species, it imitates it .
2. If I listen to classical music, .
3. If a rabbit sees a fox, .
4. If the beat of the music is fast, .
5. If a snake has stripes, .
6. If she is the lead singer, .

3 Read, look, and listen. Match. Then number the pictures. TR: 16
1. The dog is a. she always goes.
2. The storm is not b. as nice as playing the piano.
3. If it’s a hip-hop concert, c. more frightened than confused.
4. He explains that ice storms are d. as strong as a blizzard.
5. If the cat attacks the insect, e. he’s not going to watch.
6. She thinks the sound of the f. as bad as the hurricane.
guitar is not g. as nice as the sound of a violin.
h. very common during the winter.

39
 4 Answer the questions. Use words from the box.

attack concert escape hurricane piano thunder

1. Why are we going to evacuate? There’s going to be a hurricane.

2. What instrument is she going to play?
3. Why is the tiger hiding in a tree near the zebra?
4. What are we going to hear after we see lightning?
5. When is the band going to practice?
6. What is the zebra going to do if it sees a predator?

5 Look and listen. Draw lines to make sentences. TR: 17

Rio guitar player flute player.

is the but is going

to be the

Lia lead singer lead singer.

William drummer drummer.

6 Write. Complete the sentences.
1. I play piano than my friends.
2. I study than my classmates.
3. I listen to music than my parents do.
4. I play soccer than my teacher.
5. My brother plays basketball as my sister.
40
7 Read. Check T for True and F for False.
This octopus needs to hunt, but it must avoid being hunted.
If it is attacked, it first tries to escape. It can shoot water out
its body. The water pushes it at fast speed through the sea.
If the predator follows, the octopus can shoot out black ink.
The confused predator can’t see, and the octopus escapes.
Then the octopus tries to hide. It sometimes hides under the
sand with only its eyes peeking out. It also changes color to
match its shelter. In some cases, an octopus will leave an arm
behind! The arm still moves in the water and attracts the hunter.
The octopus escapes. In six weeks, it grows a new arm, but the new arm
has no bones! An octopus has no bones at all!
T F
1. The octopus doesn’t hunt.
T F
2. The octopus moves in the water by shooting black ink.
T F
3. The octopus can change its color.
T F
4. The octopus will sometimes break a bone in its arm and leave it behind.
T F
5. In six weeks, the octopus can grow a new arm.

8 Read and write the answer. Use information from Activity 7.

1. What does an octopus do to escape from a predator?

2. An octopus is smart. What do you know about an octopus that says it’s smart?

3. An octopus hunts. What kind of animal is it?

9 Write. A shark will hunt an octopus for food. What can happen if a
shark finds an octopus? Write a short story. Use what you learned in
Activity 7.

41
 Unit 4

Life Out There

1 Do a puzzle. Read the clues. Fill in the words.
1 2

atmosphere
3 comet
4 data
5
debate
6
extraterrestrials
7
galaxy
journey
orbit
8

9
planet

10
solar system
space
11 universe

12

Across
1. People whether there is life beyond Earth.
6. Mars travels in a(n) around the sun.
7. information =
10. Earth is the third from the sun.
11. The is made of space and all the stars.
12. Earth’s is like a blanket that protects us.

42
 Down
2. If exist, they live in other places beyond Earth.
3. A(n) is a trip from one place to another.
4. The is made up of a sun and the planets that go around it.
5. We sent rockets into .
8. A big group of stars is known as a(n) .
9. A(n) is a moving cloud of rock, ice, and gas.

2 Complete the sentences.

atmosphere data debate

extraterrestrials orbit solar system

1. Venus is a planet in our .

2. Venus travels around the sun in a closer than Earth.

3. Venus has a(n) that hides the planet’s surface.

4. Scientists have sent instruments to Venus to collect .

5. Do you think can live on Venus?

6. You believe it and I don’t. We can the topic to decide who is

right.

3 Work with a partner. Ask and answer.

How can you describe . . .

1. an extraterrestrial? 4. the atmosphere?

2. space? 5. a comet?
3. an orbit? 6. the universe?

43
 4 Listen to the song. Match to complete. TR: 18
1. But right here on planet Earth a. deep in outer space.
2. Let’s all take a journey b. where flowers grow.
3. We might find things c. life is all around.
we’ve never seen
4. We might find a moon d. far away from here
5. beyond our solar system, e. past the atmosphere.

5 Read and match. Write a sentence from Activity 4 that matches

each picture.

1.

2.

3.

6 Listen and write. Listen to track 18 again. List some things the
song says we might find. Then write a new verse!

1. We might find a moon .

2. We might find .

3. We might find .

4. We might find .

44
 Grammar TR: xx

Grammar

We may travel to another solar system. We might travel to another solar system.
A planet may orbit that star. Some data A planet might orbit that star. There’s not
point to it. much data, though.
I think it may be a comet. I thought it might be a comet.
She knows that planets may orbit She knew that planets might orbit
that star. that star.

7 Write sentences that say you’re not sure.

1. We have a debate tomorrow. We may / might have a debate tomorrow.

2. That star has planets.

3. The universe is bigger than you think.

4. The comet’s orbit goes outside the solar system.

5. That planet has an atmosphere.

8 Read and write. Use the word(s) in parentheses to finish

each sentence.
1. We heard that extraterrestrials (live ) might live on other planets .
2. I see that a planet (be next to) .
3. He knows that a comet ( fly across) .
4. She thought that the debate (end) .
5 I think that the data (not be ) .

9 Work with a partner. Ask about what you’ll do tonight. Answer to

say you’re not sure. Take turns.

Will you look for comets

in the sky tonight?
I might look for comets
in the sky tonight.

45
 10 Read and look. Match each picture with a sentence.
1. The rocket fires and lifts the spacecraft away from Earth.
2. The astronaut searches her instruments.
3. An astronaut at the space station communicates with scientists.

11 Read and write.

astronaut communicate search spacecraft space station

1. You to find something.

2. You when you want to tell someone something.

3. A(n) is a person who travels in space.

4. The orbits Earth, and people live and work in it.

5. A(n) carries people into space and back.

12 Solve the riddles. Choose the word pair that matches the
description in each riddle.

astronaut/rocket search/communicate spacecraft/space station

1. You can do one of these things alone. The other thing needs two or more

people.

2. You can be one of these things. You can travel inside the other thing.

3. You can travel inside one of these things. You can live in the other thing.

46
13 Read. Underline the correct words.
1. Two planets in our universe / solar system orbit the sun closer than Earth.
2. A comet / planet may need an atmosphere to support life.
3. We use radios to communicate / journey with spacecraft.
4. Scientists collect search / data to look for life on other planets.
5 Astronauts use a spacecraft to get to the rocket / space station.
6. We have sent astronauts / extraterrestrials into space.
7. Scientists use SETI to search / debate for extraterrestrial intelligence.
8. Some spacecraft / comets have big orbits that go outside of the solar system.

14 Read. Draw lines to match.

1. Let’s take a journey a. with atmospheres.
2. Let’s use a rocket b. to send up our spacecraft.
3. Let’s travel past c. communicate back to Earth.
4. Let’s find new data to d. about extraterrestrials!
5. Let’s search for planets e. into space.
6. Let’s end the debate f. the moon and the planets.

15 Read and write. Use each word twice to complete the sentences.

debate orbit search

1. Two moons the planet Mars.

2. Scientists look for data in their

for intelligent life.

3. The Mars rover, called Curiosity, may Mars for water.

4. Scientists do not agree. They whether life was ever on Mars.

5. You can see Mars in its around the sun.

6. You can go to the and say that Mars never had life on it.

47
 Grammar
Jiao, Lan, Gao, and Zhuang want to fly Everyone wants to fly in a spaceship.
in a spaceship.
Jiao or Lan or Gao or Zhuang can be Anyone can be an astronaut.
an astronaut.
Zhuang is tall. Someone is tall.
Jiao, Lan, Gao, and Zhuang are not adults. No one is an adult.

16 Look and write. Tell about the picture.

anyone everyone no one someone

1. is sitting down.
Jiao Lan Gao Zhuang
2. Maybe told a joke because Gao is laughing.

3. I don’t see wearing a helmet.

4. is dressed as an astronaut.

17 Read and write. Use the words from Activity 16 to complete

each sentence.
1. I will be the only one home. else will be at work or school.

2. Be careful and don’t lose your book. Don’t give it to .

3. It is very late. is on the phone at this hour.

4. I don’t know if it’s Hugo or Luis, but I hear calling my name.

18 Listen and circle the answer. TR: 19

1. Everyone / Someone wants to go to the planetarium.
2. Someone / No one saw the comet.
3. Anyone / Someone can answer that question.
4. I want to invite someone / everyone to come with me.

48
19 Look and listen. Number the words in the order you first
hear them. TR: 20

anyone

everyone

no one

someone

may

20 Listen again. Answer each question with a sentence. TR: 21

1. Who might come as an extraterrestrial?

2. Who can people at the party dress like?

3. What is the boy worried about?

4. Who may come, too?

21 Work with a partner. Student 1, go to page 123 and ask a question.

Student 2, go to page 125 and say the matching sentence. Take turns.

Can everyone see the comet

in the sky?

We may all be able to see

it if the sky is not cloudy.

49
 22 Listen and read. TR: 22

Life on Mars
Mars is the fourth planet from the sun, just after Earth. You can see Mars
without a telescope, but you need a telescope to see its characteristics. Many
years ago, people began looking at Mars with a telescope. They wondered if Mars
ever had life.
In 1877, an Italian scientist, Giovanni Schiaparelli, saw what he thought were
canals on the surface of Mars. Canals are like rivers but made by people. They let
boats make the journey from one place to another. People thought that Martians
may have dug the canals!
When telescopes got better, people forgot the canal idea. In 1965, the
spacecraft Mariner 4 flew by Mars and took photos. The photos showed that the
surface looks a lot like Earth’s moon. It has lots
of marks from rocks hitting it. Today, no one
thinks that Mars has extraterrestrials.
In 2012, the Mars rover Curiosity landed on
Mars. It sent a lot of data back to Earth. Some
data may show that tiny life once lived on Mars
long ago. Scientists still debate this. Scientists
will be studying Mars for many years to come.

23 Check T for True and F for False.

T F
1. Mars has canals that are like rivers.
T F
2. In 1877, Mariner 4 flew by Mars and took photos.
T F
3. Some data may show that life on Mars might be possible.
T F
4. Scientists don’t know if there was ever life on Mars.

50
24 Read and write.
1. You can see Mars without a .

2. People thought that they saw

on Mars, but they were wrong.

3. The surface of Mars has marks from falling rocks like Earth’s .

4. It’s possible that there was on Mars many years ago.

25 Complete the chart. Use information from Activity 22.

1800 1850 1900 1950 2000 2050

1877 1965   2012

26 Read and answer. Use information from Activity 22.

1. What are canals?

2. Mars does not have canals. What helped people learn this?

3. Why does the land on Mars look like Earth’s moon?

4. What could data from the Mars rover Curiosity tell us?

27 Work with a partner. Discuss the following.

•• Something you already knew about Mars.
•• Something you just learned about Mars.
•• Something you’d like to learn about Mars.

51
 28 Read Forever Searching on page 68 of your Student Book.
How did the writer plan? Read the steps below.
1. First, the writer chose an opinion. What was the writer’s opinion?
People are forever searching. We search both on Earth and in space because

2. Second, the writer wrote down facts that support the opinion.

Opinion Supporting Facts

searched the stars.

Zheng traveled to .
We have always been people who search.
Cook went to the .
Amundsen traveled to the .

3. Third, the writer wrote expressions to introduce the facts. Look for the
following expressions in the story.
Long ago, research shows, the facts show

4. Fourth, the writer wrote a strong conclusion.

We search both on Earth and in space because we like to find answers. And
a big question is, are we alone? We will search until we know.

5. Finally, the writer organized the sentences in a draft, or a first version, of the
passage. The writer started with an example.

Example: Long ago, people thought that the sun and planets orbited Earth.

An example is a good way to introduce a topic. You can decide to start with
an example or with an introduction to the main idea.

Introduction to main idea: Why do we search? The facts show that we have
always been people who search.

52
29 Should we search for life in space? Look at Activity 20 in your
Student Book. Write what you think. Should we search for life in
space or not?

30 Follow steps 2–5 on page 52. Use the space below to plan.
Then write your paragraphs in your notebook.

Opinions Supporting Facts

Write expressions that introduce:

Write a strong conclusion:

31 Express yourself. Choose one of the topics below, and write a

paragraph that persuades. Plan your writing, and follow the steps
on page 52. Write your new paragraph in your notebook.
There may (or may not) be life on other planets.
It may be good (or bad) for people to find life on other planets.
Space exploration helps (or doesn’t help) people on Earth.
Learning about other planets is (or is not) important for people on Earth.

53
 Unit 5

Arts Lost
and Found
1 Read and write. Choose the word that best describes each list
of words.

art community culture language traditions

1. education, laws, music, clothing, beliefs culture

2. Spanish, Arabic, Chinese, Japanese
3. painting, drawing, coloring
4. stores, hospitals, schools, sports teams
5. cooking for holidays, singing songs, telling stories

2 Read and complete the sentences.

hold on passed down proud share

1. I feel good about my family. I am of my family.

2. My father is a farmer. I want to be a farmer, too. When I’m older, I hope the farm
is to me by my father.
3. I cut my apple in half to give some to my sister. I my apple
with my sister.
4. My family sings together every Sunday. I want to to that
tradition and continue to sing every Sunday.

54
3 Label the pictures. Match the words to each picture.

hold on pass down share storytelling tourists weave

Our World-Workbook Level 5/Unit 5 A5.5.2

Our World-Workbook Level 5/Unit 5 A5.5.1

Our World-Workbook Lesson 5/Unit 5 A5.5.4

Our World-Workbook Lesson 5/Unit 5 A5.5.6

4 Listen and write. Write the words in the order you hear them. TR: 23
Our World-Workbook Lesson 5/Unit 5 A5.5.5

art community culture future generation

language local proud traditions

1. 4. 7.

2. 5. 8.

3. 6. 9.

5 What can you say? Use the words to write sentences.

1. future / art I think about the future of art in our country.
2. pass down / traditions
3. storytelling / share
4. tourists / weave
5. hold on / culture

55
 6 Listen to the song. Use the words in the box to complete
the verses. TR: 24

art culture family holding on

pride storytelling weaving

Knowing your history is important.

to your culture is an excellent thing!

Knowing your history is important.

It’s up to you to keep your strong!

What special does your culture bring to our world?

What special thing does your bring to our world?

? Learn to do it!

? Learn to tell it!

What brings your culture ?

7 Listen again. Check T for True and F for False. TR: 25

1. It isn’t very important to know your history. T F

2. You don’t need to keep your culture strong. T F

3. Culture can bring art to the world. T F

4. You learn to sew to do embroidery. T F

8 Remember and write. List four things from the song you can learn.
Then write two new lines for the song.
1. Learn to sculpt it! sculpture
2. Learn to tell it!
3. Learn to sew it!
4. Learn to do it!

56
 Grammar
Sharing traditions is fun. Running is good exercise.
Weaving takes a long time to learn. Making a paper airplane takes practice.

9 Read. Complete the sentences.

communicate debate hold on pass down search

1. Holding on to traditions is very important!

2. my grandfather’s clock to me made my father happy.
3. by telephone is harder in another language.
4. for a good song to sing is exciting.
5. is one way to learn how someone else thinks.

10 What about you? Complete each sentence about you and your
friends or family.
1. Walking . 4. Cleaning .
2. Writing . 5. Eating .
3. Watching TV . 6. Drawing .

11 Complete the story.

making painting storytelling weaving writing

things is a proud tradition

in my family. We all have our own jobs to do.
is my grandmother’s job.
She made this shirt for me. Grandpa likes to talk
and knows lots of stories.
is always his job. I’m good with a paintbrush,
so is what I do. My sister
doesn’t talk much, but she also likes to make up
stories. is her hobby.

57
 12 Read and look. Match each word with a picture.

embroidery 1 2

handcrafted
jewelry making
pottery
sculpture

3 4 5

13 Read and complete. Use words from Activity 12.

Salma: That ring is so pretty! Is it made of gold?
Aisha: Yes, my uncle made it. He often uses gold for .
Salma: Your uncle made it by hand?
Aisha: Yes, this ring is by my uncle.
Salma: My uncle is an artist, too! He works with clay.
Aisha: What does he make? Does he make dishes and cups?
Salma: Yes, he makes with clay. He also makes animals and
people with clay.
Aisha: Oh wow! He makes clay ! Does he make dolls, too?
Salma: Yes, and my aunt makes clothes for the dolls. Some have colorful
on them.
Aisha: I’d love to see one of those dolls!

58
14 Read. Underline the correct words.
1. A basket can be made by embroidering / weaving thin strips of plants.
2. A mother can hold on / pass down her jewelry to her children.
3. People who live here speak the tourist / local language.
4. A doctor is important to the community / storytelling.
5. My uncle is part of my father’s generation / language.
6. I am holding on / proud of my cultural traditions.
7. We can hold on to the past as we build our share / future.
8. This is the pottery / jewelry we use for dinner.

15 Listen. Check T for True and F for False. TR: 26

1. T F 3. T F 5. T F 7. T F

2. T F 4. T F 6. T F 8. T F

16 Work with a partner. Student 1, go to the bottom of page 123 and

ask a question. Student 2, go to the bottom of page 125 and look at the
pictures and answer. Take turns.

What kind of handcrafted

art is she making?
She is making a
sculpture!

59
Our World-Workbook Lesson 5/Unit 5 A5.
 Grammar
Paolo is tired of weaving the long tablecloth.
Susanna thanked her sister for making the jewelry.
You like speaking English.
I remember cooking fish with you on our last trip.

17 Look and write. Tell about the pictures.

good at/hit likes/play enjoys/make
loves/swim interested in/learn excited about/go

She is good at hitting

the ball.
Our World-Workbook Level 5/Unit 5 Our World-Workbook Level 5/Unit 5
A5.5.29 A5.5.30

Our World-Workbook Level 5/Unit 5 A5.5.31

Our World-Workbook Level 5/Unit 5 A5.5.34

Our World-Workbook Level 5/Unit 5 A5.5.33

Our World-Workbook Level 5/Unit 5 A5.5.32

60
18 Read and write the correct words. Then listen and check your
answers. TR: 27
1. (Hit / Kick) the TV with your hand won’t turn it on!
2. I’m interested in (read / watch) the ball game.
3. Have you tried (lift / push) the green button?
4. No. Do you think (try / write) that button will start the TV?
5. Of course! I always turn it on by (run / use) the green button.
6. You were right! My TV turns on by (touch / scratch) the bottom of
the screen.
7. Your TV is newer, but I like (show / learn) people how it works.
8. Thanks for (help / know) me!

19 Read and write. Choose the best word to complete the

sentences correctly.
1. Telling stories is hard to do well. I like listening to stories! (listen / tell)
2. soup on cold days can keep you warm. I also think on
a sweater can help you keep warm. (put / eat)
3. I heard you with Paula. She likes jokes. (laugh / tell)
4. is the best way to stay healthy. I like to the pool.
(go / swim)
5. baseball taught me how to catch a ball. the ball is
much harder. (hit / play)
6. your culture keeps it alive for the next generation. I think that
about culture is important. (learn / pass down)

20 Read and write. Write sentences about what you like or enjoy.
1. Playing the guitar is fun! I enjoy playing the guitar with my brother.

2.

3.

4.

5.

61
 21 Listen and read. TR: 28

Legong Dance
Legong dance is a cultural tradition in Bali,
Indonesia. Only young girls perform this dance.
Their costumes are beautiful and colorful!
The young dancers move slowly to traditional
music. The musicians play drums, flutes, and
gongs. The dancers tell a story with their
faces, hands, and fingers. Every move has a
special meaning.
Legong dance teaches people traditional
stories. In one story, a king falls in love with a
princess! The dancers perform for an hour. However,
the dances are too long for many tourists. Shows for
them last only 15 minutes, they tell only a part of a story,
and they are performed by older dancers. The money from tourists
is important because it attracts new dancers to Legong dance.
It is hard to hold on to traditions such as this because many people enjoy listening
to newer music. If local people aren’t interested in the dances, then they might not be
passed down to younger generations. Changing the tradition helps keep Legong dance
alive. Today, more people are learning the dances, and there are more performances of
Legong dance. More people can watch and learn about this beautiful tradition.

22 Check T for True and F for False.

1. Legong dance is performed in Indonesia. T F

2. People of all ages can become Legong dancers. T F

3. Tourists like watching long performances of Legong dance. T F

4. It is easy to hold on to traditions such as the Legong dance. T F

62
23 Complete the chart. Use information from Activity 21.

Sights of Legong Dance Sounds of Legong Dance

The young dancers move slowly.

24 Read and answer.

1. What did you learn about the Legong dance tradition?

2. Why do some shows last only 15 minutes?

3. Why is story important in Legong dance?

4. Why is money important for Legong dancers?

25 Work with a partner. Complete the chart. Compare the traditional

dance to the dance for tourists. Is money from tourists good or bad
for Legong dance? Why?

Traditional Legong Dance Legong Dance for Tourists

The dance is long. The dance is minutes long.

The dancers are . The dancers are older.

The dance tells . The dance tells part of a story.

Dancers don’t get much money. Dancers get more money from tourists.

63
 26 Read Cecilia’s Blog on page 84 of your Student Book. How did the
writer plan her writing? Read the steps below.
1. First, the writer chose a topic. What was the topic?
2. Second, the writer wrote a step-by-step description of what she did.

a. took a long train ride b. took a bus

Our World-Workbook Level 5/Unit 5 A5.5.35 Our World-Workbook Level 5/Unit 5 A5.5.36

c. the bus went up the mountain d. arrived at Machu Picchu

Our World-Workbook Level 5/Unit 5 A5.5.37 Our World-Workbook Level 5/Unit 5 A5.5.38

e. climbed the stairs to the Sun Gate f. stopped to rest

Our World-Workbook Level 5/Unit 5 A5.5.39 Our World-Workbook Level 5/Unit 5 A5.5.40

g. could see everything at the top

Our World-Workbook Level 5/Unit 5 A5.5.41

3. Third, the writer wrote her thoughts and feelings: It was awesome!, I was
excited., It was so cool., I was incredibly tired., It was wonderful.
4. Fourth, the writer asked the reader to post a response.
What did the writer ask the reader?
5. Finally, the writer wrote a sentence of introduction and organized the sentences in
a draft, or a first version, of the paragraph.
My family and I went to Machu Picchu in Peru.

64
27 Write a blog. Look at Activity 19 in your Student Book. Choose a
topic about a family vacation or special day.

28 Follow steps 2–5 on page 64. Use the space below to plan. Write
your blog entry in your notebook.

a. b.
Our World-Workbook Level 5/Unit 5 A5.5.42 Our World-Workbook Level 5/Unit 5 A5.5.42

c. d.
Our World-Workbook Level 5/Unit 5 A5.5.42 Our World-Workbook Level 5/Unit 5 A5.5.42

e. f.
Our World-Workbook Level 5/Unit 5 A5.5.42 Our World-Workbook Level 5/Unit 5 A5.5.42

g.
Our World-Workbook Level 5/Unit 5 A5.5.42
Write your thoughts and feelings:
Write a sentence that asks for a response:

29 Express yourself. Choose one of the topics below, and write a

blog entry. Plan your writing, and follow the steps on page 64.
Write your new blog entry in your notebook.
Write about something you did with a friend or group of friends.
Write about something new you recently learned.
Write about a problem you want to solve.
65
 Unit 6

Amazing Plants!
1 Read and write. Do the puzzle.
1 2 3 4 5
adapt nutrients
6 attract root
7
bacteria stem
8 9
behavior stink
10

insects strategy
leaf trap
11
light trick

Across
1. After it turned brown, I picked the biggest off the tree.
6. to draw interest
8. The scientist tried to the animal that escaped.
10. How could that be true? It must be a(n) !
11. part of a plant that grows down into the ground
Down
2. The animals had to to the sudden change in temperature.
3. to smell bad
4. tiny creatures that change nutrients into food
5. a plan or way to do something
7. Be careful! The of that rose has many sharp thorns.
9. Plants need from the sun to grow.

66
2 Complete the sentences.

adapt attract behavior digest

1. The smell of rotting meat will some flies.

2. Some plants can meat to get their nutrition.

3. Plants must to the places where they grow.

4. The of bees includes carrying pollen from flower to flower.

3 Label the picture. Match the words to the picture.

bacteria
flower
ground
leaf
light
roots
stem

4 Complete the sentences. Choose a word pair that correctly

Our World-Workbook Lesson 5/Unit 6 A5.6.1

completes each sentence.

leaves / light
1. The of some plants is to attract and

stinks / trick insects.

strategy / trap 2. A plant that like rotting meat can flies.
survival / digest
3. The of a plant take in from the sun.

4. A strategy of some plants is to meat.

67
 5 Listen to the song. Complete each line to finish the song. TR: 29
Some plants play with our eyes.
grow
They’re made to give us a .
root
A plant is designed to .
smell
To make new seeds, to and thrive.
stem
surprise Leaf and and flower and !
survive The , delicious of fruit
sweet is here and there and everywhere!
tricks Plants are all around.

6 Listen to the song again. Check T for True and F for False. TR: 30

T F
1. Trees are some of the oldest plants on Earth.
T F
2. Only big plants are designed to survive.
T F
3. The bright colors of plants attract bees.
T F
4. Plants come in every shape and size.

7 Match the words that rhyme. Write the words in the song.

Leaf and stem and flower and !

A B
The sweet, delicious smell of
root all
is here and there and everywhere!
around fruit Plants are all .

size eyes
Plants are growing
up and .
small down
Air is flowing
all around.
Plants come in every shape and .
Their bright colors attract the
of bees and butterflies.
Big and ,
plants survive it .

68
 Grammar TR: xx

Grammar
Flies are tricked when they smell rotten meat.
The fly is trapped on a sticky leaf.
Nutrients are made by bacteria.
The berries were eaten by the animals.

8 Read. Complete the sentences.

1. Some plants (cook) are cooked for food.

2. Flowers and leaves (eat) by different insects.

3. The butterfly (attract) to colorful flowers.

4. The pollen (carry) on the legs of insects.

9 Read and complete. Use the words in

parentheses to complete the paragraph.
Cacti plants ( find) are found in the desert.

Water (store) in the large stem of

the cactus. Any rainwater that falls (absorb) in the roots. Cacti

(grow) in home gardens and (plant) in desert parks.

Cacti have sharp spines. Be careful, don’t touch them!

10 Read and write. Rewrite the sentences.

1. The sun fills the room with light.
The room is filled with light from the sun.
2. Leaves cover the stem of the plant.
with leaves.
3. The smell of the plant attracts bees.
to the smell of the plant.
4. The leaf traps the insect.
by the leaf.

69
 11 Read and write.
1. The white petals of a are long and flat.
daisy
2. The stems of most roses have that hurt. petals
3. I’m using colorful, dry in an art project. roses

4. One kind of rose has that climb. thorns

vines
5. are famous for their smell.

12 Listen and answer the questions. TR: 31

1. What kind of rose has small flowers?

2. What kind of flower has thorns? Where are the thorns located?

3. What kind of smell do most roses have?

4. Where do daisies come from?

A climbing rose

5. Where can you find daisies now?

6. What is the yellow center of the daisy?

A daisy

13 Check T for True and F for False.

T F
1. Daisies do not have thorns.
T F
2. The center of a daisy is often yellow.
T F
3. Some roses stand up on strong stems.
T F
4. Most roses don’t have thorns.

70
14 Read. Underline the correct words.
1. The roots / stems of a tree are under the ground.
2. The behavior / survival of the bee is to bring pollen to other flowers.
3. My survival / strategy is to wait inside until the rain stops.
4. The cactus is digested / adapted to desert weather.
5. He doesn’t like the smell of roses. He thinks they thorns / stink!
6. Help! My shoe is attracted / trapped between two rocks!
7. The colors of some butterflies trick / adapt predators.
8. She hurt her finger on the petals / thorns of that rose!

15 Look and match. Match to complete the sentences.

Number the pictures.

Our World-Workbook Lesson 5/Unit 6 A5.6.2

Our World-Workbook Lesson 5/Unit 6 A5.6.5

1. A vine is climbing a. on a Venus flytrap leaf.

Our World-Workbook Lesson 5/Unit 6 A5.6.6
Our World-Workbook Lesson 5/Unit 6 A5.6.3
2. A fly is trapped b. to the smell of the flowers.
3. A flower grows c. around a tree.
4. The insect walks d. up the stem to the leaf.
5. The bee is attracted e. next to the root of a tree.

16 Write your own sentences. Use words you did not underline in
Activity 14.

71
 Grammar
The Venus flytrap traps insects land on its leaf.
A rose has thorns can hurt you.
that
The stink lily attracts flies smell rotting meat.
A tree has roots grow under the ground.

17 Listen and match. TR: 32

1. I see some trees a. that grow in a garden.
2. I see some roses b. that stand up in the sun.
3. I see some daisies c. that live under a tree.
4. I see some leaves d. that live in the ground!
5. I see some flowers e. that fall on the ground.
6. I can’t see bacteria f. that move in the wind.

18 Write sentences. Make two sentences into one sentence.

1. The ground has nutrients. Bacteria turn the nutrients into food.
The ground has nutrients that bacteria turn into food.

2. Some plants digest flies. Flies are trapped on the leaves of some plants.

3. Most roses have strong stems. Most rose stems are covered with thorns.

4. Some plants have a stink. A stink attracts flies.

5. Some roses grow on vines. Vines climb up trees.

72
19 Read and match. Draw lines to connect the two parts that
form one sentence.
1. The pollen that sticks to bees a. that attracts flies.
2. Rainwater is absorbed b. in the roots of plants.
3. I like plants that c. when it lands on a sticky leaf.
4. An insect is trapped d. plants use to survive.
5. Rotten meat is a smell e. is carried to other flowers.
6. Bacteria make food that f. smell sweet to survive.

20 Complete the sentences. Use the words with each picture.

1 2 3 4
covered/daisies cut/scissors hidden/leaf flying/flower

1. He has a garden that is covered with daisies

Our World-Workbook Lesson 5/Unit 6
A5.6.7
Our World-Workbook Lesson 5/Unit 6 A5.6.9 .

2. She smells the rose that .

Our World-Workbook Lesson 5/Unit 6 A5.6.8
3. He finds an insect that .

4. She watches the bee that .

21 Read and write. Write four sentences about what you know or like
about plants. Use some words from the box.

attracted daisy petal plant rose strategy survival thorn trapped

1. I know that bees are attracted to some flowers. I like roses that grow on vines.

2.

3.

4.

5.
73
 22 Listen and read. TR: 33

The Flypaper Plant

The butterwort is a
plant that needs meat! Most
species grow in wet areas of
Central and South America.
Butterworts can’t get enough
nutrients from the ground.
What do they do? Insects are
added as a food!
The flower of the
butterwort is purple. It sits on
a tall stem that has no leaves.
All the leaves are near the
ground. They are bright green
with turned-up edges. The top
of the leaf is shiny and watery. Thirsty insects are tricked by the watery leaf. It
isn’t water! Instead, it’s a sticky water that feels like butter!
When an insect lands on a leaf, it is trapped. The insect is stuck on the
leaf like a fly on flypaper. When it tries to get away, the butterwort makes
more sticky water. The edges of the leaf turn up even more to hold the sticky
water. Slowly, the soft parts of the insect are digested by the sticky water. It’s
a strategy for survival that works! Butterwort leaves often have spots that are
really tiny insect skeletons!

23 Check T for True and F for False.

1. Most butterwort species grow in dry areas of Central
and South America. T F

2. The butterwort grows in ground that has lots of nutrients. T F

3. The leaves of the butterwort are high on the stem. T F

4. Insects are digested by a sticky water on the leaves. T F

74
24 Label the picture. Use information
from Activity 22.

bright green
flower
purple
sticky
stuck stem

tall
turned-up leaf edges

water
Butterwort

insect
25 Read and write. Number the order of events that happen when
a fly is trapped. Our World-Workbook Lesson 5/Unit 6 A5.6.11

The insect gets stuck on the leaf like a fly on flypaper.

The soft parts of the insect are digested.

More sticky fluid is made, and the edges of the leaf turn up.

The insect flies onto the leaf.

26 Work with a partner. Describe as many parts of the butterwort

plant as you can.
The stem has no leaves .

The stem .

The leaves .

The leaves .

The top of the leaf .

75
 27 Read The Sensitive Plant on page 100 of your Student Book.
How did the writer plan the writing? Read the steps below.
1. First, the writer chose a topic. What was the writer’s topic?

2. Second, the writer wrote descriptions of the details. What are the parts of the plant?

The stem has tiny

white hairs.

3. Third, the writer wrote about actions. What does the plant do?

The sensitive plant

moves when you touch it.

4. Fourth, the writer wrote an introduction.

Did you know that some plants can move? The sensitive plant moves when
you touch it.

5. Fifth, the writer wrote a conclusion.

After a half-hour the plant stands up—until you touch it again!

6. Finally, the writer organized the sentences in a draft, or a first version,

of the paragraph.
76
28 Write a descriptive paragraph. Look at Activity 19 in your Student
Book. Invent a new plant that has interesting features. What will you
name it?

29 Follow steps 2–6 on page 76. Use the lines below to plan your
writing. Write your paragraph in your notebook.

Details

Actions

Introduction:

Conclusion:

30 Express yourself. Choose one of the topics below, and write a

descriptive paragraph. Plan your writing, and follow the steps on
page 76. Write your new paragraph in your notebook.
Write about an amazing plant or animal. Write about an amazing invention.
Write about an amazing toy or tool.

77
 Review

1 Do the puzzle. Complete the sentences. Write the first letter of each
word of the answer in the puzzle. Find the hidden message!

1 2 3 4 5 6 7 8 9 10 11

Y !

1. T
 he center of a daisy and the sun are both y e l l o w .
2. E
 arth moves on a path called an around the sun.
3. T here are many galaxies in the .
4. S omeone who leaves Earth to travel in space is called an
.
5. T he part of a plant that grows under the ground and gets food is the
.
6. A creature that lives on a planet that is not Earth is an -
.
7. People the same age are from the same
.
8. A spacecraft is pushed into space by a .
9. Making a design by sewing with colors is called
.
10. T
 he air that surrounds a planet is called the
.
11. S omeone on vacation who visits a place is called a
.

78
2 Look and write. Use a word pair to write a sentence for each picture.

insect/petal leaf/trapped roots/ground rose/thorns stem/daisy vine/holding on

3 Read and write. Complete the sentences.

1. A spacecraft is carried (carry) by a rocket.

2. Our traditions (share) by the whole family.
3. The future of space travel (debate) by scientists.
4. Two languages (speak) by the local people.
5. Mars (orbit) by two moons.
6. The shirt (embroider) with colorful stripes.

4 Listen. Check T for True or F for False. TR: 34

T F
1. Recordings of TV shows are included on the records.
T F
2. Knowing about Earth might interest extraterrestrials.
T F
3. The records include examples of many languages.
T F
4. Scientists hope the records are found by extraterrestrials.
T F
5. The Voyager spacecraft are orbiting Earth.
79
 5 Write. Complete the sentences.
1. Storytelling is a tradition that is passed down by each generation . (pass down/
generation)
2. We live in a community that . (proud/culture)
3. Extraterrestrial life is a topic that . (debate/scientists)
4. Astronauts live in a space station that . (orbit/planet)
5. Eating insects is a strategy that . (plants/survive)
6. Plants need light that . (come/sun)

6 Listen and write. Complete the sentences. TR: 35

1. If handcrafted jewelry is pretty, will buy it.
2. Sculpting with clay can be learned by .
3. Pottery can be found in home.
4. Without practice, can make jewelry.

7 Read and write. Use the words to complete each sentence.

digest proud stink strategy

1. Everyone of their culture.

2. A plant might use to attract flies.
3. Some plants that are trapped in their leaves.
4. Making handcrafted art is a tourists to a local community.

8 Write. Use at least one of the words in each sentence.

anyone everyone may might no one someone

1. There might be someone who speaks that language.

2.

3.

4.

5.

80
9 Read and match the sentences. Draw lines to connect. Then put
the pictures in order.

Daisies

Daisies
Daisies
Daisies

Daisies
Daisies
Daisies

Daisies
Daisies
Daisies

1. Aldo and Irene found some seeds that grow Our

into daisies.Level 5/Unit 4-6
World-Workbook A4-6.3

2.OurThey chose to plant them inOuraWorld-Workbook

World-Workbook Level 5/Unit 4-6 A4-6.1
place Level 5/Unit 4-6
that grew tall and healthy.
A4-6.2

3. Soon the garden had daisies that got a lot of light.

10 Read. Answer the questions.

Many animals can survive in a hot and dry desert. They may use a cactus for
food, water, and a home. It doesn’t often rain in a desert, but the cactus saves the
water that falls. A woodpecker might be found in a cactus. Digging a hole with
its beak, it may make a home. When the woodpecker moves away, an elf owl may
move into the hole. The owl isn’t good at digging holes, but it likes the safety
that the cactus gives. Living in the cactus isn’t the only way animals survive. A
jackrabbit might eat part of the cactus to get water. The fruit of a cactus is eaten
by some bats. The cactus is an amazing plant! It is part of the survival strategy of
many desert animals!

1. How does the cactus help desert animals survive?

2. How might a woodpecker use a cactus?

3. Why would a jackrabbit eat a cactus?

4. Why might an owl sometimes live in a cactus?

11 Write in your notebook. Tell the story of a day in the life of a

cactus. Write the story in your notebook.
81
 Unit 7

Volcanoes
1 Do the puzzle. Read the clues. Fill in the words.
1 2
ash gases
3
calm heat
4 5
cover inside
cracks melted
6 7
creates steam
8

9
deep surface

10 11
erupts thick
explodes volcano
12 13 14

15

16

Across
1. A book with many pages is a book.
4. When the sea has no waves, it is .
5. Only remains after a fire burns completely.
7. Magma is melted rock inside the volcano.
8. When something rises to the top of a pool of water, it rises to the .
10. When something breaks up and throws pieces into the air with a loud noise, it .
12. When something falls, it could get on its surface.
15. An artist paints a painting. He a work of art.
16. After the sun came out, all of the snow and turned into water.
82
 Down
2. The door of a house lets you go from the to the outside.
3. It is hard to breathe near an erupting volcano because of the .
6. When a volcano , lava flows down the sides.
9. A is a mountain that contains hot magma.
11. Water that is very hot turns to .
13. After an eruption, ash may the area around a volcano.
14. from the sun shines on Earth and warms us all.

2 Label the pictures. Match each word to one of the pictures.

creates erupts inside

The volcano
Our World-Workbook Lesson 5/Unit 7 A5.7.8
. The butterfly is the jar. She a sculpture.
Our World-Workbook Lesson 5/Unit 7 A5.7.2

3 Listen. Check T for True and F for False. TR: 36

Our World-Workbook Lesson 5/Unit 7 A5.7.3
T F
1. Geysers don’t erupt.
2. Steam erupts from cracks on the surface
T F
of the ground.
T F
3. The water deep inside the ground is cold.
T F
4. The surface is covered in thick, white ash.
T F
5. The girl likes calm vacations.

4 What can you say? Write a sentence.

1. steam / creates / thick The steam creates a thick, white cloud.

2. surface / covered / ash
3. gases / explode / volcano
4. cracks / erupt / inside
5. heat / melts / deep

83
 5 Listen to the song. Match the phrases that are
sung together. TR: 37
1. Deep inside a volcano, a. it’s really just asleep.
2. If they have no place to go, b. will sleep for centuries.
3. If a volcano is dormant, c. the volcano will erupt!
4. A dormant volcano d. heat and gas are building up.
5. If a volcano is active, e. it’s very wide awake.

6 Read and match. Write a complete sentence from Activity 5 that

describes each picture.

1 2 3

Our World-Workbook Lesson 5/Unit 7 A5.7.7 Our World-Workbook Lesson 5/Unit 7 A5.7.8

7 Listen and write. How are volcanoes like people? Complete the
sentences. Then write a new verse comparing a volcano to a person. TR: 38
1. Volcanoes are a lot like me. Some are and .
2. Other volcanoes are . Yes, volcanoes are a lot .
3. When I get really , and my energy builds up, if it has no
place to go, sometimes I think I will !

84
 Grammar
If the volcano erupts, ash will fill the air. Ash will fill the air if the volcano erupts.
If water is heated very hot, it will turn Water will turn to steam if it is heated
to steam. very hot.
If the magma pushes up, it will create a The magma will create a living mountain
living mountain. if it pushes up.

8 Read and write. Combine the two sentences into one sentence.
1. The magma explodes. / Melted rock comes to the surface.
If the magma explodes, melted rock will come to the surface.
2. The ash is hot. / It burns everything it touches.

3. Animals run away. / A volcano explodes.

4. The scientist visits a volcano. / He climbs to the top.

5. The people living near the volcano are safe. / The volcano is calm.

9 What about you? Write sentences that say what you will do.

1. If it rains tomorrow, I will bring an umbrella .

2. If my pencil breaks, .
3. If I go to the park this weekend, .
4. If I like this book, .
5. If you come to my house, .
6. If you win the game, .
Our World-Workbook Lesson 5/Unit 7 A5.7.10
7. If I wake up early on Saturday, .
8. If you have a birthday party, .

Our World-Workbook Lesson 5/Unit 7 A5.7.11

85
 10 Read and look. Match each sentence to one of the pictures.
1. This animal is dormant in winter.
2. This animal is active.
3. This animal is extinct.

11 Read and write. Complete each of the following sentences.

active cone crater dormant extinct

1. A(n) volcano sends steam into the air.

2. When a volcano erupts, it can leave a at the top.
3. Some trees are in the winter and have no leaves.
4. When no animals of a species are alive, that species is .
5. Volcanoes are often shaped like a .

12 Complete the table. Write each phrase in the correct row.

riding a bicycle
Active every dinosaur
a volcano not erupting
Dormant a language no one speaks
playing football
Extinct
a volcano that will never erupt
swimming in a pool
sleeping all winter

86
13 Read. Circle the correct words.
1. A volcano is dormant / extinct if it has not been active for 20 years.
2. A big volcanic eruption may leave a cone / crater at the top of the mountain.
3. Magma can push through deep / melted cracks in the earth.
4. A crater is created when the cone of a volcano covers / explodes.
5. An eruption can release thick / calm clouds of steam.
6. Ash from a volcano can erupt / cover the land for many kilometers.
7. Gases can escape from cones / cracks in the surface / cover of the earth.
8. Thick / Melted rock pushes up from deep heat / inside a volcano.

14 Read and write. Choose the best two words to complete

each sentence.

calm surface cracked surface deep crater heated steam thick cover

1. Trapped gases and are deep inside many volcanoes.

2. I can see my face in the of the lake.
3. After it snows, the roof of my house has a of snow.
4. During a heat wave, wet mud will dry and become a .
5. There is a lake in the at the top of that dormant volcano.

15 Write sentences.
1. an active volcano / explode
An active volcano can explode at any time.
2. extinct volcanoes / erupt

3. thick ash / covers

4. lava flows down / cone

5. plants are burned / heat

87
 Grammar
Airplanes could not fly because of the Because of the ash, airplanes could
ash. not fly.
A forest fire started because of the Because of the hot lava, a forest
hot lava. fire started.
I ran into the house because of the rain. Because of the rain, I ran into the house.

16 Look and write. Tell about the pictures.

cat / barking hot sun / water bike / snow

rain / umbrella cold / open window music / sleep

1 2 3

4 5 6
Our World-Workbook Lesson 5/Unit 7 A5.7.12 Our World-Workbook Lesson 5/Unit 7 A5.7.13
Our World-Workbook Lesson 5/Unit 7 A5.7.14

Our World-Workbook Lesson 5/Unit 7 A5.7.17

1. Because ofLesson
Our World-Workbook the5/Unit
rain, she hadOuran
7 A5.7.15 umbrella.
World-Workbook Lesson 5/Unit 7 A5.7.16

2.

3.

4.

5.

6.

88
17 Look and listen. Answer the questions. Check T for True and
F for False. TR: 39

1. Because of the ash and gases in the sky, some eruptions hide light
T F
from the sun.
T F
2. If an eruption is small, the temperature will get cooler.
T F
3. Salma knows about Mount Pinatubo because of her schoolwork.
T F
4. The temperature dropped one degree Celsius because of the eruptions.
T F
5. Scientists know about rainfall in China because of the trees they studied.

18 Read and match. Connect the two parts to make sentences.

1. If the sky fills with gases from a. because of the slower growth of the
an eruption, trees they studied.
2. Because of the Mount Pinatubo b. if there is a very big volcanic
eruption, eruption.
3. Scientists know it rained less c. the earth’s temperature lowered one
in China degree Celsius.
4. The earth’s weather will change d. it will stop some light from the sun.

19 Work with a partner. Student 1, go to the top of page 126 and say
a sentence half. Student 2, go to the top of page 128 and say the
matching sentence half. Take turns.

Because of the book I

read about volcanoes, I know about eruptions that
changed Earth’s weather.

89
 20 Listen and read. TR: 40

Eruptions That Changed

the World!
Volcanoes have changed the world
several times in the past. They’ve
made cities and people disappear, and
they’ve changed the climate for years.
Have you heard of the Lost City of
Atlantis? Some people think it was lost
because of a volcanic eruption
in Greece.
The island of Santorini (once called Thera), in Greece, is on half a volcano. The other
half of the volcano exploded and disappeared in 1600 bce. A culture, the Minoans, may
have disappeared with it. Ash from the eruption has been found as far away as Egypt.
Because of the explosion, crops died and rain and temperature changed for years.
Today, three million people live near Mount Vesuvius in Italy. However, in 79 ce, it
erupted. The explosion sent ash 24,000 meters (15 miles) into the air. The sky was dark
because of the eruption. Hot ash ran down the cone and burned everything in its way.
In two hours, two cities were gone.
Two eruptions in Indonesia changed the world. The first, Tambora in 1815, sent gases
into the sky that circled Earth. Because of that eruption, Europe and North America
had no summer in 1816. The weather changed a lot! In 1883, Krakatoa sent ash 60,000
meters (37 miles) into the sky! Earth’s temperature dropped for five years. It was the
biggest eruption in history. If there is another big eruption, where will it be?

21 Read and write. Complete the sentences.

1. Ash found in Egypt came from the eruption of .
2. The biggest eruption in history was .
3. Because of the eruption of , the sky was dark.
4. There was no summer in Europe and North America in 1816 because of
.

90
22 Complete the chart. Use information from the reading in Activity 20.
1500 BCE 1000 BCE 500 BCE 0 500 CE 1000 CE 1500 CE 2000 CE

1600 BCE 79 CE 1815 CE 1883 CE

Santorini,
Greece

23 Write the facts. In the chart, list what you learned about each eruption.

Santorini (Thera) It erupted in 1600 bce.

Vesuvius

Tambora

Krakatoa

24 Work with a partner. Discuss what you know about volcanoes.

The climate can change

because of volcanoes! If a very big eruption happens
again, the weather will get cooler!

A floating island of rocks was found near New

Zealand in 2012. It was the size of a small
country! The rocks came from an underground
volcano and were so light that they floated!

91
 25 Read How Volcanoes Explode on page 120 of your Student Book.
How did the writer plan the writing? Read the steps below.
1. First, the writer chose a topic. What was the writer’s topic?

2. Second, the writer wrote the series of action steps in the process.

When Action Step

First Heat deep inside the earth melts rocks.

Next Trapped magma pushes on the top and walls of the volcano.

At the same time Trapped gases push on the cone.

The walls get weak.
After some time The top of the volcano blasts away.

Finally Magma and gases explode out the top.

The volcano throws ash high into the air.
Lava flows down the sides.

3. Third, the writer used pictures to show major steps in the process.
4. Fourth, the writer wrote a summary conclusion.
If there is a lot of magma, it can erupt for a long time.
5. Finally, the writer organized the sentences in a draft, or a first version, of the
paragraph.

26 Choose a topic. Look at Activity 18 in your Student Book. Think

of a process that you can break into steps, and describe it from
beginning to end.

92
27 Follow steps 2–5 on page 92. Use the chart and the space below to
plan your ideas. Then write your paragraph in your notebook.

When Action Step

Can you use pictures to show some of the major steps in the process? Describe what
the pictures would show.

Draw the pictures in your notebook.

Write a summary conclusion:

28 Express yourself. Choose one of the topics below, and write a

paragraph describing the process. Plan your writing, and follow the
steps on page 92. Write your new paragraph in your notebook.
How to make your favorite snack.
How to fix a broken toy or machine.
How to complete a school or work task.
How to do something fun or exciting.

93
 Unit 8

Reduce, Reuse,
Recycle
1 Label the pictures. Use the words below to complete each sentence.

conserve landfill man-made natural renewable

recycle reduce reuse throw away trash

1. Don’t cans that 2. 

You can some 3. It’s good to use
you can . to make art. Our World-Workbook
products that Lesson
are 5/Unit 8 A5.8.3
.
Our World-Workbook Lesson 5/Unit 8 A5.8.2

Our World-Workbook Lesson 5/Unit 8 A5.8.1

20°

Energy Bill

4.  stuff, such as some plastics, ends up in 5. 

If youOur World-Workbook Lesson
the heating
5/Unit 8 A5.8.5

the . temperature, you will energy.

Our World-Workbook Lesson 5/Unit 8 A5.8.4

94
2 Complete the sentences. Use the words below.

build efficient environment natural trash

1. I like clothing made from cotton and other materials.

2. My father bought wood to a doghouse.

3. That theater uses very little electricity. It is energy- .

4. Some people make art out of .

5. It’s important to reduce, reuse, and recycle if we want a clean .

3 Listen and write. Answer the questions. TR: 41

1. What kind of design will the new library be?

2. What is the design good for?

3. What does Takuya hope about the new library?

4. What will the man-made material in the walls reduce?

5. What is the man-made material made from?

6. What does Natsumi do with glass?

7. What happens to glass that is thrown away?

8. What will the city reuse from the old library?

95
 4 Listen to the song. Fill in the missing words to complete
the song. TR: 42

recycling reduce reused trash

. Reuse. Recycle.
Do it every day.
Don’t throw everything into the
when clearly there’s another way.

is easy when you know what to do.

Glass? Paper? Metal?
These things can be ,
again, and again, and again!

5 Listen to the song again. Check T for True and F for False. TR: 43

T F
1. You should stop and think if trash can be reused.
T F
2. You should do your part to keep the world green.
T F
3. Composting is hard to do.
T F
4. Natural things can’t be reused.

6 Listen and write. List four things from the song that you can
recycle or reuse. Then write four new lines! TR: 44
1.

2.

3.

4.

96
 Grammar
Grammar TR: xx

Most paper can be recycled. Some trash must be put in landfills.

Energy in your home can be Clothing may be made from natural
conserved! materials.

7 Read. Complete the sentences.

1. Houses (build) from renewable materials.

2. New cars (design) to run more efficiently.

3. Energy (conserve) if we turn off lights we don’t need.

4. If you can’t reuse or recycle a plastic, it (throw away)

in the trash.

5. The use of landfills (reduce) by recycling more things.

6. Junk (reuse) for other things.

7. The environment (make) more beautiful.

8. Some man-made materials (recycle) .

8 Complete the paragraph.

grow make recycled use wash

We use too many man-made materials. Natural materials

more often. They are renewable and often on farms. For

example, clothing from cotton. Cotton is strong, and it feels

good to wear. When it gets dirty, it . When it is too old, it

. It is a useful and practical natural material!

97
 9 Read and look. Match each word to one of the pictures.

cardboard chemicals glass metal tools

1. Don’t pour dangerous 2. Use the right to 3. Use a can opener to open a
down
Our World-Workbook Lesson 5/Unit 8 A5.8.6 Ourput up a picture.
World-Workbook Lesson 5/Unit 8 A5.8.7 can.
Our World-Workbook Lesson 5/Unit 8 A5.8.8

the sink!

4. 
Windows are made
Our World-Workbook Lesson 5/Unit 8 A5.8.9
5. 
Store things in a
of . box.

10 Read and match.

Our World-Workbook Lesson 5/Unit 8 A5.8.10

1. Glass can be used a. into chains and jewelry.

2. Metal can be made b. in closed bottles or cans.
3. Tools can be designed c. to make bottles.
4. Chemicals must be kept d. with scissors.
5. Cardboard may be cut e. to make work easier.

11 What can be used? Use words from Activity 9.

This material can be used to make . . .

1. boxes, paper plates

2. cleaning products, medicines, batteries, toothpaste

3. bottles, windows, jars, light bulbs

4. cans, cars, pots, bikes

98
12 Read. Circle the correct words.

1. Batteries can be recycled / conserved after they stop working.

2. Plastic is a natural / man-made material.

3. Recycled glass / metal can be used to make bike parts.

4. A TV left out in the rain becomes junk / metal.

5. We must all reduce / reuse our use of energy.

6. Things that are sent to a cardboard / landfill become chemicals / trash.

7. We must reduce / build cars that are more energy-efficient / natural.

8. It’s bad for the trash / environment to put chemicals / tools directly in a landfill.

13 Listen. Check T for True and F for False. TR: 45

T F
1. Sara says that plastic is a renewable material.
T F
2. Adam says that some natural things can be man-made.
T F
3. Sara says that plants can be used for fuel.
T F
4. Sara puts a man-made chemical on her salad.
T F
5. Adam says that most chemicals are not renewable.
T F
6. Sara says that cooking oil can't be reused.
T F
7. Adam says that oil is renewable.
T F
8. Sara says that recycling oil is efficient.

14 Work with a partner. Student 1, go to the bottom of page 126

and ask a question. Student 2, go to the bottom of page 128 and
say the answer. Take turns asking and answering.

Why should we conserve

energy?
Because it reduces the
energy we need to make.

99
 Grammar
We help the environment when we use renewable materials.
When we use renewable materials, we help the environment.
We save trees when we reuse a paper bag.
When we reuse a paper bag, we save trees.

15 Look and write. Tell about each picture.

use a glass bottle buy natural things turn off a light

pick up trash from the ground build a compost bin

1 2 3

4 5
Our World-Workbook Lesson 5/Unit 8 A5.8.11 Our World-Workbook Lesson 5/Unit 8 A5.8.13

Our World-Workbook Lesson 5/Unit 8 A5.8.14

Our World-Workbook Lesson 5/Unit 8 A5.8.15

1. When we buy natural things,

Our World-Workbook Lesson 5/Unit 8 A5.8.16
we are buying renewable materials.

2. We conserve electricity .

3. We may be using recycled glass .

4. we make the environment cleaner.

5. We use a tool .

100
16 Listen and write. Complete each sentence. TR: 46
1. When we all help, (environment) we can make the environment more clean .

2. When we reduce, recycle, and reduce, (teach) .

3. More (energy) energy can be saved when we reuse instead of recycle.

4. Our use of energy (reduce) .

5. Fernanda thinks that our use of paper (reduce) .

6. Fernanda says that both sides of a piece of paper (use) .

17 Read and write. Complete the sentences.

1. When we care about the environment, .

2. can be used to .

3. We help keep the planet green .

4. must be put .

18 Write. Write a sentence about how people make waste. Then write
a sentence about how people can stop making so much waste.

1. When we print things, we waste paper!

Paper can be reused or recycled.

2.

3.

4.

101
 19 Listen and read. TR: 47

E-waste Recycling
What do we do with broken TVs, computers, phones, and electronic parts? They
become e-waste, or electronic waste. Most e-waste is thrown away in landfills.
However, e-waste can be recycled.
Electronic parts have useful metals in them. Energy is used when the parts are
recycled to get the metal. But even more energy is needed to get new metal from
rocks. So recycling metal uses less energy. It only takes 5 percent of the energy to
recycle the metal in some cans.
Metals and chemicals must be removed from e-waste to protect the
environment. The chemicals in e-waste can be bad for the water and the earth.
Some e-waste has chemicals to stop fires. These chemicals can harm babies.
Electronics parts often have dangerous metals. If these metals turn into chemicals
in water, they are bad for people.
E-waste often has plastic. When we burn plastic, it lets off poisonous gases.
When we recycle plastic, it is safer. It takes a lot of energy to make new plastic.
Recycling plastic uses only about 70 percent of the energy. When we make
electronics, we also make gases that hurt the atmosphere. We reduce the amount of
those gases when we recycle.
It’s important to recycle e-waste and not throw it away in a landfill. We must
also try to make electronics parts that use safer materials. Recycling is good, but
reducing is better!

20 Check T for True and F for False.

1. Most e-waste is recycled. T F

2. Less energy is needed to recycle cans than to make them. T F

3. Electronics often have dangerous metals. T F

4. Chemicals in e-waste can harm people. T F

5. The plastic in e-waste must be burned. T F

6. Electronics must be made with safer materials. T F

102
21 Complete the chart. Use information from the reading in Activity 19.

Goal Fact

More electronic parts

must be recycled. Reason

They have useful

.

They have dangerous

.

Recyling plastics uses

less energy.

They have useful and

dangerous plastics. Burning plastics lets
off poisonous gases.

22 Write. Rank the importance of the three reasons from Activity 21.
Write a sentence to explain your ranking in your notebook.
103
 23 Read the biographical paragraph Marcel Duchamp on
page 136 of your Student Book. How did the writer plan the
writing? Read the steps below.
1. First, the writer chose a topic. What was the writer’s topic?

2. Second, the writer wrote important dates, events, and facts.

Key Dates Important Events Interesting Facts

He was born in France His first famous works At first, other artists said
in 1887. were abstract paintings. his work was not art.

3. Third, the writer explained why the person is important.

Duchamp was the first modern artist to make art from things he found.

4. Fourth, the writer used expressions that show importance, such as one of
the most, famous, and the first.
Duchamp was one of the most important modern artists of the 1900s.
His first famous works were abstract paintings.

5. Finally, the writer wrote a sentence of introduction and organized the

sentences into a draft, or a first version, of the paragraph.
Marcel Duchamp was born in France in 1887.

104
24 Write a biographical paragraph. See Activity 19 in your Student
Book. First, choose a topic for your writing.

25 Follow steps 2–5 on page 104. Use the chart and the space
below to plan. Then write your paragraph in your notebook.

Key Dates Important Events Interesting Facts

Write why the person is important:

Write expressions that show importance:

26 Express yourself. Choose one of the topics below and write a

biographical paragraph. Plan your writing and follow the steps
on page 104. Write your new paragraph in your notebook.
Write about someone famous in your country.
Write about a successful athlete.
Write about a person who is important in your life.

105
 Unit 9

Cool Vacations!
1 Look and write. Use the words below to complete the sentences
for each photo.

beach camping guide hike hotel photo safari relax

ruins tent theme park tickets tour water park wildlife

1. You can by the pool at 2. They are . They are

the . sleeping in a .

3. They are going for a . The 4. They are buying

person at the front is the . for a .

106
 5. They are taking a of the 6. They can see on a

. .

7. They are running on the . 8. He is playing at a .

2 Rank the vacations. Write a sentence to say why you like or

do not like each.

on a photo safari see ruins to a theme park to a water park

1. First, I want to go because

2. Second, I want to go because

3. Third, I want to go because

4. Fourth, I want to go because

107
 3 Listen to the song. Fill in the missing words to complete
the song. TR: 48

beach  camping  hiking  hotel   photos
relax tour vacation wildlife

If we went on a ,
we would see .
I would take lots of .
Wouldn’t that be so nice?

I would like to stay at a .

You’d like to .

and !
The and the sun!
If we went on ,
it would be so much fun!

4 Connect the words that rhyme. Circle the words, and then connect
the rhyming words with a line. Then listen to the song to check your
answers. TR: 49
Let’s go on vacation!
Let’s go on a trip!

If we went on vacation,
we would take a big ship
across the ocean,
far, far away.

If I had my way,
I would go today!

If I weren’t afraid of heights,

we could climb a mountain.
But I am! So let’s go to the water park
and take pictures by the fountain.

108
 Grammar TR: xx
Grammar
If he were a good swimmer, he would swim under the water.
If she had a tent, she would go camping.
I would go with you if there weren’t so many people.
They wouldn’t go to theme parks if they didn’t like them.

5 Read and underline the answer.

I like to take photos when I’m on vacation. If I went / would go on a photo
safari, I took / would take photos of zebras. If we saw / would see lions, I don’t
want / would not want to get too close. If the lions came / would come near the
car, I was / would be afraid. I liked / would like it better if they were / would
be giraffes. Giraffes have long necks and tongues. If I saw / would see a giraffe,
I took / would take lots of photos. I showed / would show them to you if you
came / would come to my house. If you wanted / would want to take one home
with you, I was / would be happy to give one to you!

6 Read. Complete the sentences.

1. If I went (go) on a photo safari, I would see (see) wildlife.

2. They (go) to a theme park if they (have) tickets.

3. He (not go) to the beach if he (have) homework.

4. She (have) a guide with her if she (go) on a tour.

5. I (visit) the ruins if I (go) to Egypt.

7 Read and write. Complete the sentences.

1. If the water park were open, . (buy)

2. I would sleep outside . (have)

3. If you liked wildlife, . (go)

4. She would take a ship . (go)

5. If I went to the beach, . (swim)

6. He would be a guide . (know)

109
 8 Look and label.

9 Read and write. Use the words from Activity 8.

1. My mom wears when it is a sunny day outside.

2. The screen at the showed the time that planes would arrive.

3. My brother has a with wheels to make it easy to carry.

4. My sister bought a so that she would remember our vacation.

5. My dad showed his at the airport when we returned to our country.

10 Listen and answer the questions. TR: 50

1. Where did Aunt Frida take the family?

2. What did Rosa’s dad show at the airport?

3. What did Rosa get on vacation?

4. What did Julio get on vacation?

5. What did Julio think he Ieft on vacation?

6. What was Rosa’s surprise?

110
11 Read. Circle the correct words.
1. Let’s go to the passport / airport.
2. She bought a ticket / souvenir to enter the theme park.
3. Put your clothes in the suitcase / camping.
4. Where is the key to the hotel / tent room?
5. I like to hike / relax at the beach / ticket.
6. I am wearing the same sunglasses / passport as the wildlife / guide.

12 Look and write. Complete the sentence for each picture.

camping photo safari suitcase wildlife

Who ever heard of . . .

1 2

Our World-Workbook Lesson 5/Unit 9 A5.9.1

3 4 Our World-Workbook Lesson 5/Unit 9 A5.9.2

Our World-Workbook Lesson 5/Unit 9 A5.9.4

1. camping on the beach

Our World-Workbook Lesson 5/Unit 9 A5.9.5

? (beach)

2. ? (hike)

3. ? (hotel)

4. ? (airport)

111
 Grammar
We would rather sleep in a tent than stay in a hotel.
They would rather arrive early at the airport than arrive late.
Would you rather go on a hike or relax?  I’d rather go on a hike than relax.
She’d rather go to a museum than go to the beach.  
Would she rather go to a museum than go to the beach?

13 Read and write.

1. I / go to the movies / go to a baseball game
I would rather go to the movies than go to a baseball game.

2. He / dance to hip-hop / dance to rock and roll

3. They / go swimming in a pool / go swimming in a lake

4. We / visit a museum / go to a concert

14 Complete the sentences.

1. She ’d rather eat breakfast than go to school hungry . (breakfast / hungry)

2. They . (home / vacation)

3. She . (city / small town)

4. He . (music / film)

15 Write. Rewrite your answers to Activity 14 as questions.

1. Would she rather eat breakfast or go to school hungry?

2.

3.

4.
112
16 Listen and write. Answer the questions. TR: 51
1. What would the boy rather do if he saw a sand storm?

2. What would the girl do if she saw a poisonous snake?

3. What would the boy rather play on the piano?

4. If the girl had a spacecraft, what would she do?

5. If the boy had a rose, what would he rather do?

17 Read. Complete the sentences.

1. If I (see) a souvenir I liked, I (buy) it.

2. They (rather listen) to a concert.

3. If she (have) a dog, she (take) it for a walk.

4. We (play) basketball if we (have) a ball.

5. You (rather sleep) a little longer.

6. She (rather hike) another two kilometers (1.25 miles).

18 Play a game with your partner. Go to page 127.

113
 19 Listen and read. TR: 52

The Forbidden City

It’s weird but true! A city was built 600 years ago for one family! The Forbidden
City in Beijing, China, was built for the emperor of China. No one could enter the
city without the emperor’s invitation.
Building on the Forbidden City started in 1406. It was completed
14 years later. For 500 years, the Forbidden City was the home of 24
emperors. Over the years, fires destroyed some buildings, but they were
rebuilt each time. The main building was burned by fires in 1557 and
1597. After a battle in 1644, a bigger fire burned buildings in the city.
Today, the Forbidden City has 980 buildings on 720,000 square
meters of land. The buildings are made of painted wood. The city
has bridges of marble, stone statues, and brick streets. It is
surrounded by a wall 10 meters high. A river of water that is
six meters deep surrounds the wall. The walls and
river protected the emperor from outsiders.
The Forbidden City was first opened to
the public as a museum in 1925. In 1987,
the Forbidden City was made a World
Heritage Site. Today, tourists can
visit many of the buildings and see
some of the emperor’s treasures.
Millions of people visit the city that
was forbidden for hundreds of years!
It is an important part of Chinese
history. It is also the largest collection
of preserved wooden structures in
the world!

20 Check T for True and F for False.

T F
1. The Forbidden City was built for tourists.
T F
2. The Forbidden City is the largest building in the world.
T F
3. The Forbidden City is now a museum.
T F
4. The Forbidden City is surrounded by a tall wall.
114
21 Complete the chart. Use information from the reading in
Activity 19.

Building
begins.

1406 1420 1557 1597 1644 1925 1987

22 What did you learn? Add more information using numbers

from the reading.

Gate Tower
Garden
Buildings
Tower

Palace
Water
Hall
Land Gate

Tower
Wall

Gate Gate
Tower

23 Work with a partner. Discuss what you learned about the

Forbidden City and say your opinion.
In your opinion . . .
1. Why was the city so large? 3. Why were there so many buildings?
2. Why were the walls so high? 4. Why were the walls surrounded by water?

115
 24 Read Review of the Antigua Ecotour on page 152 of your
Student Book. How did the writer plan the writing? Read the
steps below.
1. First, the writer chose a topic. What was the writer’s topic?

2. Second, the writer wrote descriptions. What did the writer describe?

a. The tour guide takes you to an island and shows you how to paddle a kayak.

b. He leads you through .

c. He tells you about .

d. The forest is .

e. You can see wildlife, such as .

f. People wear snorkels as they swim .

g. The water can be .

3. Third, the writer wrote opinions, or feelings. How did the writer
like the ecotour?

a. The guide knows a lot .

b. It’s fun to paddle and .

c. The best part of the tour are .

d. It’s worth .

4. Fourth, the writer wrote an introduction.

The ecotour in Antigua is a great choice for a vacation.

5. Fifth, the writer wrote a conclusion.

If you like water and nature, you should go!

6. Finally, the writer organized the sentences in a draft, or a first version,

of the paragraph.

116
25 Write a review of a vacation. See Activity 17 in your Student Book.
Choose a topic for your writing.

26 Follow steps 2–6 on page 116. Use the lines below to plan. Write your
paragraph in your notebook.
Write descriptions:

Write what you liked and did not like:

Write an introduction:

Write a conclusion:

27 Express yourself. Choose one of the topics below and write a

review. Plan your writing and follow the steps on page 116. Write
your new paragraph in your notebook.
Write a review of a book you read.
Write a review of a movie you saw.
Write a review of an event, such as a dance, sports match, or cultural event.

117
 Review

1 Match. Connect the words that have opposite meanings. Then label
the pictures.
1. active a. surface
2. deep b. ice
3. steam c. dormant

2 Read. Complete the sentences.

build cover hike reduce relax throw away

1. They plan to the house with wood.

2. Don’t your ticket. We need to go back into the theme park.
3. The sun is so bright that I must wear sunglasses or my eyes.
4. We would like to up the mountain.
5. I’m so tired that I want to sit under a tree and .
6. It’s cheaper to visit the theme park in winter because they the
price of the tickets.

118
3 Read and write. Complete the sentences.
1. If we recycle plastic, we will help conserve energy . (conserve)
2. If we create local art, . (tourists)
3. If I visit the ruins, . (guide)
4. If they have the tools, . (build)
5. If you go on a photo safari, . (wildlife)
6. If you eat ice cream on a hot day, . (melt)

4 Look and listen. Number the pictures. TR: 53

cracks

trapped
gas

Our World-Workbook Lesson 5/Unit 7-9 A5.7-9.2

Tours

Our World-Workbook Lesson 5/Unit 7-9 A5.7-9.3

5 Read and write. Complete the sentences.
1. If the cone of an active volcano has cracks, trapped gas will escape .
(gas/escape)
2. If tourist money can protect the environment, .
(wildlife/extinct)
3. If a theme park is designed well, . (rides/safe)
4. If people who work at a glass factory wear special clothes,
. (protect/heat)
5. If bread is cooked in a hot oven, . (heat/crust)
6. If you buy tour tickets the day before, . (go/tour)
119
 6 Read and answer.

active volcano buy souvenirs go to the airport

recycle plastic use cardboard want to relax

1. We help keep the environment clean when we recycle plastic .

2. We may be in danger .
3. You must show your passport .
4. She can go to a resort .
5. , we can put them in our suitcases.
6. , I use a renewable resource.

7 Read and write. Read the questions. Answer in a paragraph.

Where would you go on vacation if you had a lot of money?
What would you do during your vacation?
But you don’t have a lot of money, so where will you go?
What’s the first thing you’ll do when you get there?
What else will you do there if you have time?
What would your brother or sister rather do?

But I don’t have a lot of money, so I

120
8 Read. Check T for True and F for False.
If you like warm weather, sandy beaches, and lots of fun things to do, you will
like Dubai! Dubai is a great place to go on vacation! It is on the Arabian Peninsula. A
peninsula is land that stretches into the water like a big toe. Dubai is a very modern
place. You can stay at a hotel on a man-made island. If you visit Dubai, you will see the
tallest building in the world. It’s over 800 meters (2,625 feet) tall! If you would rather
go to a theme park, there are many choices. At one theme park, activities about nature,
culture, science, and space can be found.
You can play a game that is like flying a real
airplane at this theme park. You can also see
Dubai from the air in a hot-air balloon. If
you would rather ride a camel in the desert,
you can! Because of the warm weather, it
doesn’t snow in Dubai, but you can still play
in the snow inside a shopping mall. There
is man-made snow and a mountain! If you
would rather go in the water, a water park is
nearby. There is even a park where you can
swim with dolphins! If you go to Dubai, you
will have a lot of fun!
T F
1. Dubai is a modern place.
T F
2. A hotel can be found on a man-made island.
T F
3. If you went to Dubai, you would not find any theme parks.
T F
4. If you like snow, you will find it in a shopping mall in Dubai.
T F
5. You cannot ride a camel in Dubai.

9 Write. Think about a fun place you would like to go on vacation.

Would you like to take friends with you? Make a plan. Who would you
invite? What would you do?

121
 Unit 1 Student 1, use with Activity 14 on page 7.

14 Ask and answer the questions together. Use the words in

parentheses and the sentences below the box.

1. How cold is it today? (and)

The temperature dropped four degrees, and it ended up at fifteen degrees.
2. Did the storm have thunder and lightning? (but)

3. What did you bring for the storm? (we)

2p
4. Was there a storm with high winds? (with)

5. What was the range of temperatures yesterday? (and)

1. The temperature dropped four degrees.

2. The storm was too far to see lightning.
3. I brought a flashlight.
4. There were very strong winds.
5. The temperature dropped to eighteen degrees.

Unit 2 Student 1, use with Activity 12 on page 19.

12 Ask and answer. Ask each other questions about these animal
adaptations.

Why do many animals

have whiskers?
To find out if they can fit
into a specific area.

122
 Unit 4 Student 1, use with Activity 21 on page 49.

21 Ask and answer. Ask your partner one question. Respond to your
partner's question with the correct answer from the list below. Take turns.
Questions:
1. Can everyone see the comet in the sky?
2. Can someone breathe on another planet?
3. Does no one want to take a journey to Mars?
4. Does anyone know how far Earth is from the sun?
Answers for your partner:
a. I may watch it after I finish my school work.
b. Some people say we should only think about Earth.
c. Data from intelligent life may be hidden by noise in space.
d. Maria says she wants to visit another planet.

Unit 5 Student 1, use with Activity 16 on page 59.

16 Ask and answer. Ask your partner a question about a picture on the
left. Then respond to your partner's question with the correct answer
from the right.

stripes

1 a
what / embroider
Our World-Workbook Lesson 5/Unit 5 A5.5.15

Our World-Workbook Lesson 5/Unit 5 A5.5.17

How to
tamales
make

2 b
how / show pride in local art

 123
Our World-Workbook Lesson 5/Unit 5 A5.5.16
Our World-Workbook Lesson 5/Unit 5 A5.5.19
 Unit 1 Student 2, use with Activity 14 on page 7.

14 Ask and answer the questions together. Use the words in

parentheses and the sentences below the box.

1. How cold is it today? (and)

The temperature dropped four degrees, and it ended up at fifteen degrees.
2. Did the storm have thunder and lightning? (but)

3. What did you bring for the storm? (we)

4. Was there a storm with high winds? (with)

5. What was the range of temperatures yesterday? (and)

1. The temperature ended up at fifteen degrees.

2. There was thunder.
3. I brought supplies, including food and water.
4. There was a hurricane.
5. The temperature rose to twenty-two degrees.

Unit 2 Student 2, use with Activity 12 on page 19.

12 Ask and answer. Ask each other questions about these animal
adaptations.
Why do many animals
have whiskers?
To find out if they can fit
into a specific area.

124 
 Unit 4 Student 2, use with Activity 21 on page 49.

21 Ask and answer. Ask your partner one question. Respond to your
partner's question with the correct answer from the list below. Take turns.
Questions:
1. Will anyone watch the rocket launch on TV tomorrow?
2. Why does no one want to communicate with us?
3. Does everyone want people to travel in space?
4. Will someone in your family be an astronaut?
Answers for your partner:
a. Someone may want to go, but the trip takes many months.
b. We may all be able to see it if the sky is not cloudy.
c. Luis may know because he likes to study the solar system.
d. It must have an atmosphere like Earth’s.

Unit 5 Student 2, use with Activity 16 on page 59.

16 Ask and answer. Respond to your partner's question with the correct
answer from the right. Then ask your partner a question about a picture
on the left.

a 1
what kind / cloth / weave

Our World-Workbook Level 5/Unit 5 A5.5.21

b 2
what / family tradition / pass down
 125
Our World-Workbook Lesson 5/Unit 5 A5.5.23
 Unit 7 Student 1, use with Activity 19 on page 89.

19 Listen and answer. Say the first half of a sentence from the
first column. Your partner says the matching second half. Take
turns. When you’ve said all the sentences, say three of your own!
Because of the book I read about volcanoes, because he is tall and a good player.
I know that some plants eat meat if it snows too much.
She will visit a volcano this summer I will play my favorite song.
If she completes her homework, I will get up early in the morning.

Unit 8 Student 1, use with Activity 14 on page 99.

14 Ask and answer. Ask your partner the question. When your
partner asks you a question, respond with the correct answer.
Take turns.
Questions:
Why should we conserve energy?
Why is it good to use natural materials?
How can we design better houses?
What can be done with chemicals?
Answers:
Plant a tree.
Keep paper out of the trash.
Sell or buy a used bicycle.
Turn off the computer at night.

126 
 Unit 9 Use with Activity 18 on page 113.

18 Work with a partner. Read the instructions and play! Heads Tails
START I’d
1 space 2 spaces
rather

Heads Tails
START I’d If . . .
1 space 2 spaces
rather
I’d
? 2
rather
If . . . 1
If . . .
I’d
? 2
rather
If . . .

If . . . 1 1 ?
If . . . 2
If . . .
?1 ? If . . .
If . . .
1 2
2

I’d ? If . . . If . . . Go
I’d back
rather1 2
rather 2 spaces
If . . . Go
I’d I’d
rather Go back
rather 2 spaces
? 2 forward
2 spaces
Go
forward
If . . .
1 2 spaces
Go
? 2 forward
2 spaces
Go
forward
I’d If . . .
1 If . . . If . . . 2 spaces
rather

I’d If . . .
If . . . rather
Lose
1 turn

Lose END
1 turn

END

Instructions Our World-Workbook Lesson 5/Unit 9 A5.9.7

If . . . Make a Lesson
Our World-Workbook sentence with9 if.A5.9.7
5/Unit

I’d rather . . . Make a sentence with I’d rather.

Answer your partner’s question!

?
Would you rather (1) or (2) ?

 127
 Unit 7 Student 2, use with Activity 19 on page 89.

19 Listen and answer. Say the first half of a sentence from the
first column. Your partner says the matching second half. Take
turns. When you’ve said all the sentences, say three of your own!
Because of the fishing trip tomorrow, I know about eruptions that changed
If I learn to play the guitar, Earth’s weather.
He likes to play basketball she will get a good grade on the test.
He will not go to school today because of what I read about amazing
plants.
if her family takes a vacation.

Unit 8 Student 2, use with Activity 14 on page 99.

14 Ask and answer. When your partner asks you a question,

respond with the correct answer. Then ask your partner a
question. Take turns.
Questions:
How can a bicycle be reused?
What can be done to recycle paper?
How can energy use be reduced?
How can the environment be renewed?
Answers:
Because it reduces the energy we need to make.
They should be made safe before being thrown away.
We can design them to conserve heat.
Because they are renewable.

128