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Sc
National sampling for science
KEY STAGE

2
LEVELS

3–5 Test B *0510SB*

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First name

Middle name

Last name
Day Month Year
Date of birth
2010

Boy Girl
Please circle one

School

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INSTRUCTIONS
Read this carefully.

You have 45 minutes for this test.

Answers

This pencil shows where you will need to put

your answer.

For some questions you may need to draw an

answer instead of writing one.

Do not write in the grey margins.

Do not write on or near the bar codes.

Some questions may have a box like this for

you to write down your thoughts and ideas.

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1 Magnets
(a) Liam has a toy train with two carriages. It has bar magnets to
join the carriages to the engine as shown below.

Write ‘N’ (north) and ‘S’ (south) on the end of each bar magnet
so the carriages join to the engine.

‘N’ and ‘S’ have been written on the engine for you.

engine carriages

(1 mark)

bar magnet bar magnet bar magnet

(b) Nisha moves a different bar magnet towards the magnet on the
engine. The magnets do not touch each other.
The engine moves away from Nisha’s magnet.

direction direction
engine magnet
moves moves

Engine Nisha’s magnet

Explain why the train engine moves away from the bar magnet.

.................................................................................................................

................................................................................................................. (1 mark)

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2 Duckweed
(a) Duckweed is a plant that floats
leaf
on the water in ponds.
water

root

Duckweed

The root of the duckweed keeps the plant stable and reduces
movement across the pond.

What other function does the root have?

................................................................................................................. (1 mark)

(b) Mandy wonders if duckweed reproduces more quickly if it gets

more light. She does an investigation to see if this is true.

Mandy fills identical jars with 75 cm3 of water.

Which piece of equipment is most accurate for measuring

75 cm3 of water? Tick ONE box.

cm3

cm3 cm3

(1 mark)

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(c) Mandy puts one duckweed

plant in each jar.

She puts each jar in sunlight for a different amount of time.

When the jars are not in the sunlight, they are kept in a dark
cupboard.

Mandy predicts how many duckweed plants will be in her jars at

the end of the week.

Complete the table by predicting how many duckweed plants

there will be if the duckweed reproduces more quickly when it
gets more light.

Amount of sunlight Number of duckweed plants

(hours per day) at the end of the week

6 4

10
(1 mark)

(d) Why is it important for Mandy to do an investigation to test

her idea? Tick ONE box.

so she can collect so she can learn about the

evidence duckweed’s food chain

so she can protect so she can identify what

the environment type of duckweed it is (1 mark)

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3 Rocket
(a) Jonathan puts half a vitamin C
tablet into some cold water.
It bubbles in the water.

Circle the correct word in each box to complete the sentences

below.

solid
(i) The bubbles show that a liquid is produced.
gas

reversible.
(ii) This change is
not reversible.
(1 mark)

(b) Jonathan puts a tight lid on the container.

After a short time the lid pops off the container.

Jonathan uses the container

to launch a rocket.

To stay safe, he stands well

away from his rocket when
it goes up in the air.

Tick ONE box to show why Jonathan must stand well away from
the rocket to stay safe.

He might get burnt. The lid might come off.

His shoes might He is not sure where

get wet. the rocket will go. (1 mark)

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(c) Jonathan times how long it takes the rocket to launch into the air
with different amounts of tablet.
He launches the rocket three times with each amount of tablet.

The table below shows his results.

Amount of Time for rocket to launch (seconds)

tablet
1st 2nd 3rd
quarter 14 16 15
half 11 12 12
whole 5 5 6

What is the relationship between the amount of tablet and the

time taken for the rocket to go up?

.................................................................................................................

................................................................................................................. (1 mark)

(d) Predict how long the rocket would take to go up if two whole
tablets were used. Use the table to help you.

..................................................... seconds (1 mark)

(e) Tick ONE box to show a different mixture Jonathan could use
to make his rocket go up.

vinegar and sugar water and sugar

vinegar and water and

bicarbonate of soda bicarbonate of soda (1 mark)

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4 Drums
(a) This is a picture of a famous musician.
Her name is Evelyn Glennie. She plays the drums.

Evelyn moves the drumstick downwards to hit the drum skin.

Then the drumstick bounces back up.

drumstick

drum skin
drum

Tick ONE box to show what force causes the drumstick to

bounce up after it has hit the drum skin.

a pushing force a pushing force

from the drum skin from gravity

a pulling force a pulling force

from the drum skin from gravity (1 mark)

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(b) Evelyn is deaf. She cannot hear the

drum with her ears.

When she has bare feet, she can feel

the drum’s sound with her feet.

The sound can travel from the drum

through the air to Evelyn’s feet.

Name ONE other thing that the sound can travel through from
the drum to get to Evelyn’s feet.

................................................................................................................. (1 mark)

(c) What can Evelyn feel with her feet when the drum makes
a sound?

................................................................................................................. (1 mark)

(d) Evelyn can change the way she plays the drum.
She can make the sound get louder or higher.

Tick ONE box on each row of the table to show if the sound will
get louder or higher.

How Evelyn The sound...

does not get
plays the drum gets higher. gets louder. higher or louder.
with a tighter
drum skin
hit the drum
with more force
hit the drum
faster with the
same force
(1 mark)

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5 Keeping warm and healthy

(a) Look at the picture showing the
inside of the human body.

(i) Put a cross, X, on the organ in

the picture that pumps blood
around the body.

(ii) Name the organ that pumps blood around the body.

..................................................... (1 mark)

(b) Hassan knows that some activities can affect our pulse rates.

Tick TWO boxes below to show the two activities that would
increase pulse rate the most.

having a rest eating fruit

writing a letter playing football

going for a walk drinking water

(1 mark)

(c) Tick ONE box to show the usual units of measurement for
pulse rate.

beats beats per second

beats per minute beats per hour

(1 mark)

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(d) Hassan is interested in how temperature affects pulse rate.

He measures the pulse rates of 6 children sitting in the playground

on a cold day.

He then measures the pulse rates of the same 6 children after they
have sat in a warm classroom for 10 minutes.

Hassan records his results

in the table below.

Children
A B C D E F
Pulse rate in cold
72 68 76 75 67 70
playground (units)

Pulse rate in warm

80 75 82 80 70 75
classroom (units)

Describe ONE thing Hassan did in his investigation so he could

be sure of his conclusion.

.................................................................................................................

................................................................................................................. (1 mark)

(e) Use the table to write a conclusion for Hassan’s investigation.

.................................................................................................................

................................................................................................................. (1 mark)

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6 Moon trip
(a) Astronauts travel to the Moon in a spacecraft.
Rocket engines push the spacecraft away from the Earth.

What name is given to the force that tries to pull the spacecraft
back to Earth?

..................................................... (1 mark)

(b) From the Earth, the Moon looks

like a circle.
The astronauts know this is not its
real shape.

What shape is the Moon?

..................................................... (1 mark)

(c) The Moon orbits the Earth.

Tick ONE box to show how many days it takes the Moon to
orbit the Earth.

1 day 7 days

28 days 365 days

(1 mark)

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(d) The astronauts can see the Earth from space. On one half of the
Earth it is night. On the other half it is day.

How does the Earth move to cause night and day?

.................................................................................................................

................................................................................................................. (1 mark)

(e) Plants do not grow on the Moon.

Growth is one of the life processes of plants.

Name another life process of plants.

..................................................... (1 mark)

(f) Plants cannot live on the Moon. Some of the conditions on the
Moon stop plants carrying out all their life processes.

Tick the TWO conditions which stop plants carrying out their life
processes on the Moon.

Tick TWO boxes.

There is sunlight.

There are minerals in the rocks.

There is no rain.

There is no air.
(1 mark)

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7 Baby’s bottle
(a) Robert’s baby sister drinks warm milk from a bottle.
Robert thinks he can keep the milk warm
for longer by wrapping the bottle up.

He has four bottles.

He wraps three bottles with different
materials. He does not wrap one bottle.

Not Wrapped in Wrapped in Wrapped in

wrapped wool cotton paper

Why does Robert have one bottle that is not wrapped with
material?

.................................................................................................................

................................................................................................................. (1 mark)

(b) What is the scientific name given to a material that does not
allow heat to pass through it quickly?

...................................................... (1 mark)

(c) What variables should Robert keep the same to make his test fair?
Tick as many boxes as you need.

number of layers of material

size of bottle
wrapping the bottle

volume of milk type of material wrapping

in bottle the bottle (1 mark)

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(d) Robert records his results in a table.

Temperature (°C)
Material used to
wrap bottle at start after 30 after 60 after 90 after 120
minutes minutes minutes minutes

Bottle A: not wrapped 45 40 35 31 28

Bottle B: wool 45 44 42 40 38

Bottle C: cotton 45 41 37 35 33

Bottle D: paper 45 40 36 33 30

Tick ONE box to show which bottle kept the milk warmest.
Use the data in the table to help you.

A B C D
(1 mark)

(e) Robert has a frozen ice lolly.

He wants to stop the ice lolly from melting for as long as he can.
Think about Robert’s results for the bottles of milk.

(i) Tick ONE box to show which material would stop the ice
lolly from melting for the longest time.

wool cotton paper

(ii) Explain why the material you chose will stop the ice lolly
from melting for the longest time.

......................................................................................................

...................................................................................................... (1 mark)

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8 Tomatoes
Laura has four brands of tomato seeds.

She wants to know which brand of tomato seed grows best.

You must investigate which brand of tomato seed grows best.

You can use the draft box below to plan your investigation.

Use your draft to help you complete the plan for your investigation
on the next page.

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My planning sheet for the investigation with tomato seeds.

(a) The variable I will change in my investigation is:

................................................................................................................. (1 mark)

(b) The variable I will measure in my investigation is:

................................................................................................................. (1 mark)

(c) ONE variable I will keep the same to make my test fair is:

................................................................................................................. (1 mark)

(d) In the table below, write the headings you would use for the
results table in your investigation.

.......................................... ..........................................
Lee’s Seeds
This part would not
Farmer King’s be filled in until

Aunt Dora’s you had done

your investigation.
Kathy’s Seeds
(2 marks)

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9 Separating salt
(a) Some children are investigating separating salt mixtures.

Josh wants to separate a mixture of salt

and dry pasta. He decides to use a sieve.

salt

pasta

What feature of the salt and pasta allows Josh to separate them
with a sieve?

.................................................................................................................

................................................................................................................. (1 mark)

(b) Grace wants to separate a mixture of salt and sand.

She adds water to the salt and sand.
The salt dissolves.

(i) How could Grace separate the sand from the salty water?

...................................................................................................... (1 mark)

(ii) How could Grace separate the salt from the water?

...................................................................................................... (1 mark)

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(c) Caleb has a mixture of salt and sugar.

He thinks about how to separate the
salt and sugar.

Explain why adding water to dissolve the salt will not help
Caleb separate a mixture of salt and sugar.

................................................................................................................. (1 mark)

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END OF TEST

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QCDA/10/4683 (Pupil pack)

© Qualifications and Curriculum Authority 2010 QCDA/10/4681 (Marker pack) 300260

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