Castel a2 OUR TR:9.2 This is our world. I say, "Everybody move..." Everybody's got a song to sing. I say, “Everybody stop...” Each boy and girl. Everybody stop! ULDISIs OUT. workd This is our world. | say, “Our.” Everybody's got a song to sing. You say, “World.” Each boy and girl. Our! World! This is our world! Our! World! I say, “Boy.” You say, “Girl.” Boy! Girl! Boy! Girl! Scanned with CamScannerUte t Wonders of the Sea 6 Unit Good idea! 16 Unita That's Really lnterestingl 26 Unita The Suience or un 56 Units 14 Review AG hath Wow, thal’s coal Au What does that mean? a9 Unies Lxtiene Weather 50 Unie Copycat Antinals ‘ 60 | Unit 7 Music in Our Worl ” f UniED Life Out There 60 Units 5-0 Review 90 Let’ Wemy tun 92 4 Who's polis to Lake notes? 99 Irregular Verbs ’ Unit Songs Cutouts, Stickers Scanned with CamScannerRead and check. Scanned with CamScannerVOCABULARY 1 Listen and read. re: ee Listen and repeat. tn:1.2 We must protect the oceans and the seas because a they are full of life. If we don't, these important resources will disappear. Many animals live near the.top of the ocean because CUR UAC TSR aoc ULL Part of the ocean is called the suntit zone, It goes down to about 137 meters (450 ft), Oolphins tive here. The middle fayer of the ocean is calledithe twilight zone. This is because there isn't much light. It goes down to) about 1,000 meters (3,300 ft.): Few animals live in this) layer, but one that does live here is the octopus. Scanned with CamScanner5 Cet | Seer int Yes. Sharks live there, too! Scanned with CamScannerGRAMMAR 1 @ Read and check. Check two right statements and two wrong statements, Right Wrong 1, We must throvw plastic bags in the ocean. 2. Don't leave trash in the classroom. 3. AChome, we have to go to bed late. O 00g 4. In many schools, students can't use © @O,© cell phones in class, ») Read and talk. Work in groups of three. Take turns. Talk about rules at home and at school. Use ideas and words from the list. clean up use cell phones go to bed play loud music (must) (can't) (have to) (don't) shout throw trash help with chores arrive on time (don’t) (can't) {have to) (must) help the teacher wash the dishes raise your hand talk (must) (have to) (have to / must) (can't / don’t) We up at home. ust clean Let's talk about rules at home. 4 10 Unit 1 al Scanned with CamScannerVOCABULARY 2 @ Listen and repeat. Then read and write. tr:1.4 oil spill garbage pollution a paper bag - Oil spills, garbage, and dirty air are examples of pollution . Banana peels, plastic bottles, soda cans, old newspapers, boxes, and broken toys are examples of . Big ships called tankers transport oil across the ocean. When they have an accident and oil escapes, the result is an > . Paper is. With time, it disappears. 5,____________ bottles and bags are not biodegradable. e Listen, talk, and stick. Work with a partner. tr:1.5 Oil spills happen when tankers have accidents on the ocean. You're right! 11 | | | | | | Scanned with CamScannerGRAMMAR 2 @ Play a game. Work with a partner. Cut out the cards in the back of the book. Place them facedown in a pile. Ask and answer the questions, ——_Heads= ys using will or won't. 1 space 2 spaces Z j FINISH i = Nt ST You escapes What will happen to the plastic bag? It won't disappear. It will stay in the sea. 12 Unit1 Scanned with CamScanneret) Ty ‘ Listen, read, and sing. 1:17 Were TIN Y-L6L3 GOO cas ues aOR eae Help save the oceans, Pounce the wonders of the seas, ee ea cata en eas ches ects r Eee aur ae BCR shark Listen and say. | lerlined sound.READING @ Listen and read. tr:1.9 Colorful Cora s Corals look like a colorful garden A under the water. But corals are not revo) Plants! They're animals, x What's for dinner? Each coral is made up of small animals called polyps. Polyps have a mouth, stomach, and tentacles to catch food. Many polyps live in the sunlit zone, where they eat small plants called algae. stomach What's a coral reef? Most corals live together. As old corals die, new Polyps grow on top. That's how you get a coral reef. Some coral reefs are millions of years old, and they're home to more than 4,000 kinds of fish! Save the reefs! Coral reefs are amazing resources. They're important for tourism and jobs. Scientists use reef animals to make new medicines and other products. Coral reefs are a source of food, too. But coral reefs are in danger. Because of pollution, many coral reefs are disappearing. Some people say that only 30 percent of ‘The Great Barrier Reef is over 2,250 km " eer (1,400 mi long! the world’s corals will exist in the year 2050. We must protect our you can eat ton corals now. outer space! re Ask and answer. Work with a partner. % : That corals are animals! What did you learn? Scanned with CamScannercy Protect the oceans, ~ Think. Pair. ma Ty OTE re UL a 4 CRU R Leta b OU aC cla ali g Cr els Oa Sith every drop of water you drink, every breath you take, you're connected hu Toe- Eta Aan BUCO M Elda Keel Lom koe) means taking care of re Dr. Sylvia Earle, oceanographer, National Geographic ExplorerScanned with CamScannerLook and answer. 1, Where ate these people? 2, What are they doing? 3, What are they wearing? J, Write a caption for this photo, Scanned with CamScannerVOCABULARY 1 @ Listen and read. yn: e Listen and repeat. tn: 2.2 Inventions are everywhere. Look around you. What inventions can you see? Five thousand years ago, people had a problem. They couldn't move big or heavy things! Then someone found the solution—the wheel. It changed our lives. Imagine your life without electric lights. Before electricity, we didn’t have useful things such as batteries, computers, and cell phones. Scanned with CamScannerInventors need imagination. Before the eraser, people used bread to erase writing! In 1839 Charles Goodyear had an idea. He invented the modern eraser. The Wright brothers tried to fly many times, but they failed. Finally, in 1903, they succeeded. Now that we have planes, our world is very different. When did the Wright |. brothers fly a plane? They flew a plane in mp Scanned with CamScannerGRAMMAR from the how, Then tole ® Read, Complete the sentence’ tse worl play the conversation with a pal tel wed i wt «lit li'l use | Ai" yuu fant) plone calls leet your were ahi, Dade W'You Pali Mae not havea cell phones” Ay "Really? So haw you) (iest) your (riendlst We 'Whert Evan youn we (hot / text) out (elem We {writel letter ) Play tle tac foe, Culout the game board in the back of the book, Talk about inventions Hot we alec Hts we eure eh io tee ee Lats aight tank a square ) wth an 8 Py tut 20 Unite Scanned with CamScannerVOCABULARY 2 6 Listen and repeat. tr: 2.4 Complete. Then listen and check your answers. tr:2.5 waist it fi turn lift move use The hula hoop is an old invention, but it’s very popular today. It’s fun and it’s good exercise! 1. How do you________ a hula hoop? It’s easy. Follow these instructions. 2, ___________ the hula hoop on the ground. Stand in the middle. 3, ___ the hoop to your waist. 4. your waist in a circle. Don't hold the hoop! around and around. Can you feel it? 5, The hoop ——________ @ Listen and stick. Put the stickers in order. Then tell your partner how ~ touse this toy. Use the stickers to help you remember! rr: 2.6 Scanned with CamScanner 21GRAMMAR 2 @ Play a game. Work with a partner. Ask questions about the inventions you see. Take turns. Heads=1space —_Tails= 2 spaces 22 Unit2 Scanned with CamScannerBy te oo tS CURLEY RE LC ened eee Electricity! Me CU UR Inventions solve problems. Problems that we used to have are gone! The wheel and the cell phone Pen eeu see Pees PCa rx] Scanned with CamScannerREADING @ Listen and read. tr: 2.10 YOUNG and Creative a fora television? And Did you know that a teenager had the first ide ntors that a six-year-old boy invented the toy truck? Kids are great Inve year from asthma caused by polluted air. Angad’s invention is an alr pollution cleaning tower that is 6.1 meters (20 ft.) high. The tower sucks in air and takes out the particles of dust and carbon. The particles are collected and can even be reused. Angad’s dream is to build thousands of the towers and improve the quality of air in cities. 1905: When Frank Epperson was 11, he left a cup filled with soda and a stick in his yard. That night he forgot about it. It was a very cold night. When he went outside the next morning, he found something amazing: a “Popsicle”! 1824: Louis Braille had an accident when he was three. The accident left him blind. At that time, it was hard for blind children to read. They had to touch raised letters. But it was easy to confuse a Q with an 0, an R with a B, and so on. When he was 15, Louis invented an alphabet that used raised dots. The Braille alphabet was a big success! because they have a lot of imagination. ese 2018: At the age of 19, Angad Daryani invented a solution to ea the problem of air pollution in cities. Three million people die each Give your opinion. Work with a partner. Which invention was the most useful? Why? |The Popsicle! Because | love eating them! Deereatesonee Canna psu designer, invented plates and bowls that you can eat! 24 Unit2 an ea Scanned with CamScannerstr) Rr WU RLU ULL Note any useful or fun ideas. Which inventions does everyone like best? Discuss as a class. eee eu eee eee eMC Scere utter ioe POCO ac oe atc| Look and check. Who is taking the photo? ‘C) a photographer : O a hiker PO a polar bear i Write a caption for this photo. Scanned with CamScannerPe ecu PC ee aVOCABULARY 1 ® Listen and read, 1:31 e listen and Tepeat. ra:3.2 Most people have a hobby. Some children collect things, play music, or grow vegetables. Creative People paint or take photos. Video games are Popular, too. Many video games are for one person. You play alone. But it’s more fun to play with a friend, Choose your avatars. Then compete. To win the game, you must get the highest score. In other video games, you play together ai a friend. You don't compete. When you use the Controllers, you can see your avatars move on the screen, What hobbies do you enjoy? Wig ges. Scanned with CamScanneran avatar They often paint take photos Scanned with CamScannerSe tytn acti, a 5 GRAMMAR 1 _ ‘ ople in @ Ask questions. Work in a group. Write about the Pe i your grou oe enjoys reading books? b i likes to compete in sports? yw likes to play video games? s . is interested in fossils? y collects something? Sofia is someone Who enjoys reading books This person is someone who enjoys reading books. Who is it? Scanned with CamScannerVOCABULARY 2 @ Listen and repeat. Check T for True and F for False. 1r: 3.8 a dinosaur Ss rede Baer a comic book a fossil 1. She's scared of bugs. 2, She thinks dinosaurs are boring. 3. She knows a boy who collects comic books. 4. Her brother collects fossils. 5. Her dad gave her a stuffed animal for her birthday. ) Ask, answer, and stick. Work What did you give Maria? with a partner. It's party time. What present would you like most? ( gave her pair of socks. ) How boring! | gave her a doll! Scanned with CamScannerGRAMMAR 2 ® Read and write. Rewrite the sentences 1. My cousin sent a dinosaur book to him My cousin sent him a dinosaur book a Whe | wasn: ital, my uncle gave a stuffed animal to me + He tec friends with two k jave two comic books to them: 4 the cube in the T ake turns. me = 1 space @) him/her/them 32 Unit3 — Scanned with CamScannerBt) A pS REL ESTs ‘ What's Your Coho] oz What's your hobby? cL neyREADING ©) Usten and read. ne HIDE and SEEK Geocaching is a fun outdoor hobby. Here's how it works: People hide a box, or cache. Inside it, they put some “treasure”—small objects for you to find-and a notebook. You use an app that tells you where there are caches near you. Then you look for the cache! To help you find it, you need to have your smartphone with online clues, or @ map and compass. You should also take a pen or pencil and a few small treasures to leave for other people. When you find the cache, you look for the notebook inside. Then you write your name and the date. Then you look at the treasures in the box and choose something you like to take with you. You might choose a small toy or a little book. Don't forget to leave another treasure in its place! Try it! You'll enjoy it! Write. Label the pictures, a. notebook = b.app —C.clue dd. compass —a \ a 3 “Keep your back \ \ © \ to the tree and Nay \ ee) take four steps Nea” 2 q e) Work in a group. Discuss what people should take with them when they go geocaching. compass Alapanese sailor sent a message in a bottle when his boat was sinking. The message. 1 asked for help. About 150 years later, the bottle arrived in the tow where he was born! 34 Unit 3 Scanned with CamScannerSU ae DASE ROUE CET Tt. ATUL AO EIT RTT) SC a and why? — ™ LTD NAV ee q ‘h TT ae OSS en MR Te A Aas a a Fee RUA MUS A RUC Lela uD Pens is Tt M,, Paleontologist, National Geographic ExplorerC 2 fs Scanned with CamScannerLook and answer. 1. What is the man doing? Is it easy? . What special clothes is he wearing, and why? . Write a caption for the photo. im te: Scanned with CamScannerVOCABULARY 1 listen and read. listen and repeat. | We use force to move. Force happens when we Push or pull. Do you push or pull when you move on a swing? You do both, Look at this skier. To move, a skier pushes on the snow. A push can move a skier forward. It can also move a skier backward. forward 38 Unit 4 Scanned with CamScannerBS eiCiey Skaters pull, too. Look at these skaters. The more one skater pulls, the more they spin. The skaters don't fall over because they know how to balance. backward Ask and answer. Work with a partner. What did you learn? Scanned with CamScannerGRAMMAR 1 @ Match the pictures to the first part of the sentences. Then match to complete the sentences. The more they spin. the higher he goes. The more she pushes, the higher she goes. The more he pushes the faster they go. down, Read and write. Complete the sentences. 1. The more he goes down, the more she goes up. aime more!she. ges up, =a mae 3. The more he goes around, - 4, The more she spins, —__ x 40 Unit 4 Scanned with CamScannerVOCABULARY 2 6 Listen and repeat. Read and write. Complete the sentences. re< 1. When you throw a ball, _ _____ pulls it toward the Earth. 2. Don't go in that __.. Turn left! 3. He is walking ____ the music because it’s too loud. 4, When you ride your bicycle and want to turn left, you turn your wheel to the left, and you to the left. 5, She is riding = _____ the swings because she wants to play on them, Q Listen and stick. Work with a partner. Compare your answers. tr: 4.5 41 Scanned with CamScannerGRAMMAR 2 @ Write a definition for each item. Work with a partner. Read vour definitions and guess, Take turns. f Res ‘hich you can ride in the park 1. Bicycle: This is a machine Which ye 2. Skateboarding: It is a hobby 3. Friction: This is a force 4. Bingo: It is. a game —__ 2a See 5, Soccer: This is a sport oan ee ee @ Play a game. Play witha partner. Cut out the cards in the back of the book. Follow the instructions. Take turns. = Pick up a card A bicycle is a machine with wheels and handlebars which you ride. mea “ox! my turn! ) es 42 Unit 4 Scanned with CamScannerSONG @ Listen, read, and sing. ra:s.7 I'm on the Move! Push it! Pull it! Push it! Pullit! Push! Pull! mon the move. Push! Pull Push! Pull! Watch it ga! tinin the groove. It's amazing what you can do when you let force do the work for you! If you spin around, and around and around and around, you feel is force. ou fall down, down, down, down, down to the ground, , of course. Listen to the underlined sounds. Say the words. 1. push pull put \ ? \ 2. took cook foot could should Scanned with CamScanner8 Listen and read. sx «s and All Around! S esaky by Scanned with CamScannerThink creativel ae and ite 4 eee CO CU UL | When something unexpected or unusual happens, Jam always curious to find out why: ‘Theoretical Physicist, National Geographic Explorer Scanned w@ Listen. Circle the inventions that you heat. rr: 4.10 airplane plastic eraser wheel 6 Listen again. Answer the questions. rr: 4.11 1, What was Charles Goodyear’s idea? —_____ 2, What is Anya’s score at the end of the competition? 3. What will Anya do next month? —________— 6 Ask and answer questions about life at school. Use the words in the boxes. Work with a partner. Take turns. go to school clean leave garbage do chores watch TV wear a uniform raise your hand talk use cell phones must must not have to can can't | What time do you have to go to school? Ihave to go to school at 7 a e Write. Make sentences about life before these inventions, using used to. | computers Vv the internet airplanes erasers Before computers, people used to spend more time together. 46 Review Units 1-4 Scanned with CamScanner- 6 Read and write. a dinosaur a solution a hobby an inventor together toward a skater plastic 1, This is a person who moves, turns, and spins on ice, —————— 2, Collecting fossils is an example of this. 3. This is a person who invents things, 4. This is a creature which lived millions of years ago. —________—— 5, It's the opposite of alone. 6. It's the opposite of away from. 7. It’s the opposite of a problem. 8. Bags made from this are not biodegradable. Write definitions in your notebook. Choose list A, B, or C. Work with a partner. @) an avatar a bug © diodegradabte an octopus a shark gravity a comic book a good friend a screen a creative person a problem a stuffed animal (to) pull a wheel (to) take photos It's the force that pulls ’s thi osite of push. Ca you toward the Earth. Read your definitions to the group. Can they guess? Work ina group. Take turns. © Write. Work in a group. Make predictions about the world 40 years from now, using will and won't. 47 Scanned with CamScannerLet’s oa ac oo rie Wow, that’s cool! @ Listen and read, TR: 4.12 Pablo: What's your favorite sport? Mario: Soccer. 1 want to be a Professional soccer player, Pablo: Do you? P Mario: Yeah! What about you? A What's your favorite sport? Pablo: | love soccer, too. My dad is taking me to the World Cup! | Mario: Wow. That's so cool! | Do you? (Can you? /Are you?) What about you? -—_That's so cool! Really? How about you? That's amazing iow And you? How cool! 6 Discuss. Work with a partner. Use the chart. Talk about your favorite hobby or person, 48 Let's Talk Scanned with CamScanner‘What does that mean? | Listen and read. rn:4.15 Antoni: Hey, Martina, what does this mean? Martina; | don’t know. | think it’s a kind of weather. Antoni: Um, | don't think so. Martina: Why don't you ask the teacher? Antoni: That's a good idea. Excuse me, Ms. Biga. What does this word mean? J think it’s a kind of What does mean? | think it mi 4 It’s the 0 2 on aa Mont anavsa xcuse |. me, Mr.7_ How do you spell ? eo (fon ie. Ms./ Mrs, How do you pronounce ae 00d point this word? How do you say__? © Listen. You will hear two discussions. Read each question and circle the answer. tr: 4.14 1. What does the boy want to know? a. meaning. spelling __c. pronunciation 2. What does the girl want to know? a. meaning —b. spelling _c. pronunciation 6 Discuss. Work in pairs. Prepare and practice discussions. You want to know the spelling, the meaning, or the pronunciation of a word. Ask your partner and then ask the teacher. 49 Scanned with CamScannerCheck T for True and F tor False. 1, There's a storm cloud inthe sky. C2) (0) ) 2, The Lrees are covered in lee, Cyr | Ws raining heavily WS safle to be outside Scanned with CamScannerSe es Ce ae Cae DLL ul a cos eine Cl TNT Nd TLE ada ac Tene OMEN YL adalat AT tie me ree LT eaadaaild Ce Rae A Ul” El ds unc ihacadaad Wind ts a dangerous force, The edad HT Onan paren ne at ypu Cy er ce aluaticadaes a OPI re ine tnnnlanee RIT ead Tet it aL Ld Anette Dee ee ak he aed lid . strong force, When a lot of rain fal2 I 3 Ie $ = storm eye of the a blizzard a drought canner Ss anned with Cam:GRAMMAR 1 Ask your partner about question. @ Play a game. Choose a day of the week. the weather. Spin. Answer your partner's Ask and answer. Work with a partner. What are you going to do? 1. It’s going to rain tomorrow. 2. A blizzard is coming. 3. You can hear thunder. There's going to be lightning. 4. A big storm is coming. It's an emergency! Re e a s aes > eo v S| te’ going to rain tomorow. Fete: PE fn a Sas know! 'm going to take my umbrella to schoo! avait’ Scanned with CamScannerVOCABULARY 2 @ Listen and repeat. Then read and write, in:s.4 2 atop ht ata a plan an emergency eo Eat a flashlight supplies a shelter When a weather forecaster predicts bad weather, you should make a To protect yourself from bad weather, you can go to a I the electricity goes off, use a — to see in the dark. You can store _________ ina safe place so that you have enough to eat. nan like a hurricane, move quickly but stick to your plan. Listen and stick. Find out what to do next. Place your stickers in the correct order. Work with a partner. tr: 5.5 Ahurricane is coming. EGS an emereencys Yes, | put emergency in ) \ number 1. That's correct. Datong 55 Scanned with CamScannerGRAMMAR 2 @ Match and make logical sentences. What do you do in these Situations? Write five sentences of your own in your notebook. IF1 see lightning when I'm swimming, Hook for a boat IFit rains, 1 wear gloves and boots. Ifa storm comes, 1 try to stay cool. IF the temperature rises, | get out of the water. If 2 flood comes, 1 go inside the house. IF it snows, 1 use an umbrella. Play a game. Cut out the cards in the back of the book. Play with a partner. Take turns. Match and make sentences. Keep the cards. 56 Unit —d Scanned with CamScannerY reve Listen, read, and sing. 19.57 Bad Weather / There's bad weather on the way! There's bad weather on the way! Isit going to storm? Vos, itist Is there going to be lightning? Yes, there ist Is there going to be thunder? Yes, there is! When there's going to be a storm, I hurry inside! Be prepared for emergencies, It's always good to be safe, You'll see! Grab supplies and a flashlight, too. Seek shelter. It's the safe thing to dat » Listen and say. Pay attention to the sound of the underlined letters in each word. Can you hear the difference? thanks. this. thunder that birthday something Scanned with CamScannera LiL Td ey cae > Usten and read. ms. are spinning columns of air that come ee a MSY COS ee ooo en renee DOU CaM Mec oe a can break windows, lift trees, and throw cars into the alt. Josh Wurman isa scientist who studies tornadoes. He tries to predict them so Pe eT MAC cae Tornado Alley. It was amazing, Fist, the blue sky turned black. Then a big cloud came toward him and the team, The cloud had winds that moved in a circle, When the eloug touched the ground, it became a tornado. Inside his truck, Wurman watched from a safe distance. The tornado twisted and OSCR OAT RTA eS RC RSE Tee RISE ROR e elephant’s trunk. Then suddenly it leaned over like a soft rope. CRTC Coe ie ical SC Ue ECCS UE Au) src The cold ait moves down. Ri Ed DTS PaO Mur] e cele MME Lele MUTA OLU ae] (ehelo aI} tornado. Use the ideas in the box to help you. way from it hide under a heavy table sit next to a window indoors for 10 minutes help people cover your head with your arms Y } get out of the car and lie g place on the ground. * Dodge City, Kansas, USA d with CamScannerMISSION nderstand weather. think. Pair. Share, . what can you do in dangerous eather? at can you do to find out e about extreme weather? is itimportant to erstand weather? 4, an started when | was about six years old and saw that fantastic Pe ead BTCC P Lea ea eg Pere Teer toiCheck T for True and F for False. ». T T (nyinyin % af Scanned with CamScannerVOCABULARY 1 .g BOL ener amet) rey Cee SOU enn ne ad ls sais pita iu CT i lade a SULLA Na een Pe CLA e lool + dangerous animal or like an animal the predator doesn't like to eat. i SSC ee Cee TT MM AU oN eg ry Py Reo ad time to hunt. yd MU ETS BU Conn Ss BU eel} DT Ae CUS CRO Ce a re) Scanned with CamScanner; Se cue a eee species, but they look like each other. Se CCL ML erred Pea CRORE cL Woe a eee eCGRAMMAR 1 he back of the book. Choose é Play a game. ( he cards in tl : > finite eee are them, Use the words in an animal from each group and comp the box. fast heavy stow loud ugly cool cute beautiful hippo 98 are as heavy as el Make sentences. Work in a group. Take turns. Use the last word in each sentence to start the next sentence. The carisas green) as the frog The frog is as funny as you are, Ha ha! 64 Unité Scanned with CamScanneryocABULARY 2 @ Listen and repeat. T: hide attack / defend escape 65 Scanned with CamScannerGRAMMAR 2 @ Read. Complete the sentences. ? 1. The katydid is pretending it's a leaf, $$ ae 2. The donkey doesn’t look thirsty, —— 3. That python really confused its predator, —____— ? | 4. Cats like sleeping in the sun, ——_____? | ? ? 6. Those weren't copycat animals, @ Play a game. Cut out the question tags in the back of the book. Glue nine to complete your game. Listen. Which tag completes the sentence? | 5, Baby penguins are so cute, a If you have it, draw an X on the square. tr:6.7 Ihave three in a row! | 66 Unit 6 INL . Ui oe f T™ [FAY Scanned with CamScannerCd PS URE T) te x Hi sa Wai ite Ree Rea F Pom acre) Pe urd aL in order to survive. UC ay Listen and say the words. ay attention to the sound of theREADING @ Listen and read. ta:s.10 The Copycat Dragon The leafy sea dragon is a weird but beautiful copycat. From its name you'd think it's a ind of dragon, wouldn't You? But no, the leafy sea dragon gets its name from its funny shape, The leafy sea dragon copies what's around it. It lives in seaweed, and 50 its body looks Tike a seaweed leaf, The sea dragon imitates the shape and Color of seaweed, and it even looks like floating seaweed when it moves! It doesn't use the parts of its body that look like leaves to swim. It uses fins that are transparent, so it’s hard to see it move. The leafy sea dragon doesn’t only look like a copycat. It also dance: like a copye for hours! A male and female sea dragon will copy each other's movements Number the facts. Work with a partner. Decide which fact is the most interesting (1) and the least interesting (4). | —_____ Its name One kind of spider tricks predators by Its color and shape jitating an ant. | Itholds two legs up | The tricks it plays on its prey eee ee! | ant when it walks, | How it moves and dances | think the most interesting ' § thing is its name, } pare, ts not oa a dragon at ll. Scanned with CamScannerPr edt FL cl BUTE «Think about your community. LTT Un ata can you do to find out CUR Ci UCC} ‘ Ca PROC Ce CSCC ICRU TRAC MCR A Rie Gee particularly children who are stewards of the future of nature. Conservation Biologist, National Geographic Explorer Scanned with CamScannerZz Circle the correct answer Scanned with CamScannerVOCABULARY 1 Listen and read. re-7+ Listen and repeat. saxophone flute guitar ¢ violin drum beat. a violin Scanned with CamScannera / \ a flute a saxophone Would you like to be ina band? You have to practice hard, but when your band sounds good, you can play for an audience. Invite your friends to the concert! If you don't play an a guitar a instrument but you have a good voice, y you could be the lead singer! © Ask and answer. Work with a partner. What did you learn? 5. Scanned with CamScannerGRAMMAR 1 EE) Read. Complete the sentences. Use have or has, 1. This song is new.1_have never heard — (never / hear) it before. go) to see an opera. | don't think Vd 2.1 never like it 3 ever / listen to) this band? Yes, Thave 4. My dad (never / dance)! 8 Play a game. Use the game board in the back of the book Play in a small group. Ask and answer. a re Scanned with CamScanneryocABULARY 2 0 Listen and repeat. Then read and write Te 74 p-hop one ) Talk, stick, and discuss anned with CamScannerGRAMMAR 2 Comparative adverbs tr: 7.5 He sings more loudly than | do. She plays the violin Bertey ha ie i ie ' play the guitar as well as my brother. He practices piano less often than I do. 6 Read and write. Make comparisons. Use five words from the list. beautifully fast hard often slow well worse 1. He's good. He plays guitar __ he plays the drums. 2. That's not good. The orchestra sounds ea | 3. She practices than he does. She plays at least | twice a day 4. 1 dance to hip-hop aa 1 dance to rock. 5. 1 play the piano __ my older sister. 2 Play a game. Play with a partner. Take turns. Spin and make sentences. He sings better than | do. 76 Unit 7 pa aA Scanned with CamScannersons | A Listen, read, and sing. 1.5. Music Is Fun Have you ever listened to hip-hop? Have you ever listened to drums? listen to all kinds of music. H's amazing fun Usten to the saxophone. ? Usten to the beat Usten to the melody. Feel it in your feet! ula dancers in Alexandra, Africa 77 Scanned with CamScannerREADING 6 Listen and read. tr:7.2 it’s All Music People made music before they could write ever found is more than 42,000 years old. It's a flute Instruments like flutes are called : air, usually when a person blows wind instruments. The music comes from moving i db into the instrument. The instrument may have holes or buttons. Holes; art LUIGI you change the way the air travels to change the notes about it. One of the oldest instruments Amother way to make music i with strings. When you pluck a string,” makes a note. Strings are thick or thin and long or short to make different notes: Also, IF music sounds lower. Musicians often use a bow shape of the instrument is bigger, the wood with hairs or a string stretched to play string instruments. The bow is a piece of between its ends. Musicians slide it over the strings to make sounds. You can also make music by hitting or shaking something. A drum is a percussion instrument. The air inside a percussion instrument makes the sound louder. Instruments with strings can be percussion instruments, too. When you hit strings, you can make music. A piano is a percussion instrument. When you press the piano keys, hammers inside the piano hit the strings to make music Discuss. Work in groups of three. Invent a unique band that mixes different musical instruments. What six instruments would you choose? acu SA as 78 Unit7 Sake Scanned with CamScannerAaa change through music. a Le TTL COL ene Oey CECL ACE ORGr Or Cnr NOOR ltd music make the world a better place? Biers eed RU RT alec Pose Rore ROR Ruy positive, to make a difference?? Pee CUSC UR UCD iS ua Scanned with CUU ee SCENTS mon @ Listen and repeat. tr:s.2 DRAUSS Ca eet aU Le TUE a ce eT ett planet, Earth. But they were LOH UT CRU ee eae PES Uae ae PRS USSU So CS en 1S Not as important as we used to think! UL CL MeL Cao Cream PONCE << Aa Emel oR Ua LO A ALOE UL OC Sea Outside our galaxy, there are more galaxies! In fact, the universe is filled with galaxies. How many? AS CSc COUN NE COON [CULL ig Penn \g 82 Units _ ith CamScanneA comet is a cloud of rock, ice, and gas that orbits the sun, Many earth years pass in its PU ELL RU ene eee es Bred for comets. Then they predict when the next one SIE Cuneta agalaxy & = PRU SL of the many stars in each galaxy. Think of the many planets that Pe Te UCL COCR ULL Pre Un RC mS CUS planets? No one knows the answer! Pyrat eel aL aol Lael M UR iag ith CamScanneGRAMMAR 1 @ Read. Check the true sentences. 1. Some stars may have planets like Earth. 2. We may find extraterrestrials on a distant planet. 3. A meteor might hit Earth. 4, The Milky Way might be a galaxy. 5, Earth may have an atmosphere. om [en (a a) 6. You may become an astronaut. Talk in a group of three. Cut out the cards in the back of the book. Explain why each thing could be useful on a hike to see a comet at night. We should wear warm eee ( Why don't we clothes. it willbe cold \_ take some water? 84 Unit 8 canned with CamScanneryocABULARY 2 Listen and repeat. Then read and write. t:2.4 ‘ rg 2 a spacecraft arocket 1. What do you do? I'm an —_________ ___. | work in space. | | . Where do you live when you work in space? in ae ees Sere O'S How do you get to space? Veta VC, ate a TRA a EN lifts us up there! Do you talk to your family from s them every day. ses ae (©) Listen and stick. Work with a partner. Take turns describing the rocket liftoff. tr: 2.5 85 | Scanned with CamScannerGRAMMAR 2 1) Read and write. Complete the paragraph. 5 one anyone everyone = no. one someon likes to think about life on other planets. Does __ know the answer? No! —___———44#H4¥ Bhai tells you knows for sure if there is life out there or not. If that she knows, she really doesn't know. > ) Ask and answer. Work in groups of three. Take turns. Make notes. 1. Does anyone in this group think there is life on other planets? 2. Name one thing everyone in your family does. 3. Name a kind of music that no one in your group likes. 4. Name a funny habit someone in your family has. 5, Name someone in your class who would like to be an astronaut. @ Discuss. Share the results of your survey. Everyone in this group thinks there's life on other planets. 86 Unit8 Scanned with CamScannerand r UU! CCUG RI Deep in Outer Space CCl uD TOL cod Wayarid aur colar ayetem, Rl DOU ACL dd SO TCL adda TT VCC) coh Ad lel CC A Ta UCL GRLL MAA CC OC Lc Listen and SOLO ACU OMY ACOU GRA LDREADING Listen and read. Listening for life Have you ever seen a movie trouble, or they make friends different. No one | 7 They come to Earth and cause t real life is vs ie novies are fun, b 1 other see the planets in other solar solar systems. Tha now, we ¢ systems, even t heard from an extra | ner. Some people think that they Bee restrials would need ; i sterrestria J 10 communicate wit | a long way to re thr pace. Their message would have t lar syst if years! The signal that we receive C n t! m But t Joesn’t me e're nt Gi paevsiem.c} $i } . The first astronauts search outer space for sounds of life from other planets: were fruit flies. They were launched on February 20, 1 One day we may know the trutl extraterrestrials. For now, let’s enjoy the movies! Think and write. Should we search for life? Write why and why no Pe Re ea) CS LN ERC TT ets on) e ery ed oad ny CoC ety Tee) CamScannerPret oe Prd PECL a POR CRUC USL RR Rls Tg © CRC ry eR LUC ie Pee ae kos LU ee a ROPE mater cena la that question: Pe ee eee eaee Listen and write. Carla is doing a survey about ia Bie a a Questions? What do Laura and Andres answer? Complete the chart. Tey @ Do a survey. Ask two other students the same questions. Take notes, 6 Ask and answer. Work in groups of three. One of you is going on vacation to a place with extreme weather. How are you going to prepare? Take turns asking questions and giving advice. pa hurricane sandstorm flood ever blizzard tornado. | never plan supplies 'm going to Antarctica! That's cool, I'm going to bring isn't it? Have you ever been there? ety ach clade (No. tve never been there 7 you go to Amtactica you What are you going to pack? heed more than warm gloves! 90 Review Units 5-8 Scanned with CamScannerve the ani it 0 match imal. Find the Photo that Matches the text F ane has stripes. The stripes tel Predators that it is poi 2. This animal has spots, which act as Camouflage when it hui 3, This animal copies the color of a leaf. It uses the leaf to hid Mus caf to hide. Write. Choose four objects from the list. Write clues for your partner to guess. Use words from the list, ~, cat cheetah dog drought drum horse hurricane —_katydid lightning piano as..a5 Notas... as more (quickly) than less (often) than This insect is as green as the leaf it sits on, Se ) Role play. Work with a partner. Practice and perform a role play. Student B: You don’t believe there is life on other planets. Student A: You think there may be life on other planets. noone someone universe | anyone everyone journey planet spacecraft communicate galaxy may/might | think there may be life on planets in other solar systems. other planets communicats 91 Scanned with CamScannerLet’s It’s my turn. @ Usten and read, vs » AY Whose turn is it? We hurry upt Yay wont Now we're tied, No way, Wh. Well, Lwe se tun isi? — Nurryupl — wont No way, my turn We've tied, That's not true, ts SOFY, YOU IOSt! That Snot passibie ° Discuss. Work with a partner, Use the chart, Take turns talking about 92 Let's Talk Scanned with CamScannerOOOO —E——— _ Ce» to who's going to take notes? > Listen and read. 1: 0.12 sonia: So I'll be the reporter. Who's Boing to | (lya: Vl do that. Sonia: Thanks. Cam you watch the time, Hans? Hans: Sure. Hans: Um, what page are we on? Olga: We're on page 25. We're sharing ideas about music. Hans: Thanks, Olga. Jake notes? Who's goingto —_I'lldo that. What page are we on? at Til (watch the time). Which page is it? Can you rhbe ers) tan How long do we have? What are we doing? ) Listen to two discussions. Circle what the students are doing. We're on page We have ___ We're | They are a, doing a role-play. b. doing a crossword, _¢. preparing a poster. 2, They are a. doing a role-play. _b. doing a crossword. ¢. preparing a poster. Discuss. Work in groups of three. Prepare and practice discussions. Choose one task. Discuss how you are going to do it. 1. Make a musical instrument from recycled objects. 2, Make a mural about copycat animals. 3. Make a poster about the weather. 93 Scanned with CamScannerIrregular Verbs iit lost rade am fee bent bent pid vit bitten Lh bleed bled bled “ i biow thew vw rode fen break broke broken | fant 8, ‘bring brought brought " cee build ‘uit bu fan fa buy bought hought said ee catch caught caught ot geen choose chose chosen sold sold come came con ‘sent bs cost cost cost set =u cul cul cul sewed sewn dig dug shook shaken, do. did shone shone thaw hea daw showed shown drink drank drut shut shut drive drove driven ‘sang sung i cat ate caten sank sunk fall il fallen si st sal feed fed ted skep Spt Slept i feel felt felt slide slid slid: ! fight fought fought speak spoke spoken ind found found spend spent spent fy flew flown spin spun spun | forget forgot forgotten stand stood stood forgi forgave forgiven steal stole stolen freeze froze frozen ‘stick stuck stuck | get got gotten sting stung stung one we ahen Stink stank stunk 5 went ane weep wep swept om ca En vim sean aan hang hung hung swing swung Srna have had had take took taken hear heard heard teach taught taught | hide hid hidden tear tore fon hit hit hit tell told told hold held held think thought thought hurt hurt hurt throw threw thrown keep kept kept understand understood understood know knew known wake up woke up rsckan‘up) leave ie ie ar i bees lend tent lent “in wa = ie it ie waite ea haat lie lay lain 94 Scanned with CamScannerMS et yy inet OT ahaha Lidbalatan When we make a me rt CU pdvediinainal Dene aan ey SUS Rate RE g DI Ce ene ana) Uo kee Ra en OM nee Loe Da ee CaaS CO Put good deeds into motion. BO Ru ue Poa DR CP liad FINVENTIONS RO co Sn nn eS Td ei EL Eee enet By en ete) De RO Ruby ye an enn) SI Rt Sa Sa PO Creativity changes the world! SLU Be Pes Ce Us be Dg Creativity changes the world! Scanned with CamScannerCU LUEA CULL TT) PL ig Dante wnt Pus rl ac Ta e PUES ULUL Ut taslCd EN ahaa Ug EU RUS UCV ACR Ld OOD cr) Md . The boy who takes a Pod ST RU ere) AUT et eater ied RR Ue PONTE Rhea ctd DOT CROC eid CRC eee g Coe a TR tec EF Pa hee fe) Ta eel mere PEN 8 DTA a ESR CLL ie UE ON LCR og ESR LL i DOR aCe Scanned with CamScannerBe Seng The more you push. role) A aL nay Ree Ct erGe prepared for emergencies ee ed al Grab supplies and a flashlight. too Seek shetter. it's the safe thing to do! fs there going to be a hurricane? Yes. there Is the wind going to howl? Yes, it st Ave the waves going to rage? Yes. they ae’ UR a ee ad Ar Be prepared for emergencies. It's always good to be safe. You'll see! Grab supplies and a flashlight. too. ‘Seek shelter. it’s the safe thing to do! pet ed Scanned with CamScannerSG ae Lee es An insect that looks like 2 leat eT berg hn Sn Sy wet] Leo enn] Pee ee hd A pretty thag can be as deadly Pe ed Be hd et tg Det a cd Ds bet—— MUSICIS FUN POOR nig ets >i aaa i On CUD SOC Sing the notes (la la 7) Oa ay LON Dec MUP Uae eta AON played a rhythm? LOO Ca Ran area BO a ieee ae WUC uean eC an Scanned with CamScanner rTRe a i ei Let's all take a journey PERU ule Dea ees Cue PCR ni ie emi PST etet SSR UR aC aT tae CCTs Deep in outer space, SUS gr id POC Chou BURT nd Pa ec) Ry ce Seg De au outer space, ae knows what we might find? Ce ala bg in outer space! [Tat a Peak ese ees a es pen uae ee Pc un LCE ua Cee eee Pre ek Pe cd in outer space, gp ea cnt DU eu Dele Scanned with CamScannerHow old will you be ‘on your next birthday? How will you celebrate? Scanned with CamScannerUnit 2 Cutouts (ise with Grammar 1 ActviY & tell the time travel read at night 23 phe, spend free time buy vegetables cross the ocean {- & write erase writing make calls ride go to school cook 105 Scanned with CamScannerScanned with CamScanner(Qy1ea / asn ,22uejeq ino asoj,, 7-yiym / Surya e) no Dy gauoyd jade sHyeym . vi sz : : (uo anow 7 Y214M / sj|aa4M ‘ 7 yim pieog e) uulds,, :1N0 Wy ' epseogayeys bt i esieym : ST ust 724m “umop pue alind,, :1n0 Dy dn sa08 y1ym y3a!go — punoisAejde sisiy, ot ; s . ‘ Scanned with CamScanner‘e @) EX SF ‘~*~ dy BG.isn’t it? don't they? were they? is it? do they? weren't they? Unit 6 Cutouts Use with Grammar 3 Activity % Group B ery: donkey aren't they? are they? doesn't it? does it? did it? didn’t it? 113 Scanned with CamScannerPayal cd Cae Eyes = Gee Pca START Scanned with CamScannerWORE Conouts 0 wt! Geant 5 atone a flashlight boots 2 first-aie kit some 25%. € rt map 2 paper bag acell phone a gift P feel thirsty fall or cut tard ground be cold jee! thirsty ourselves in the darl need to cal take photos get lost Se someone fee! hungr meet ar Need to take rain ene? extraterrestiial! our trash home 147 Scanned with CamScanner