Primary Science1997 Paper A

Input your name and press send.Input your name and press send.

1997 Paper A Q1 (a)

Complete the following sentences.

The Earth spins on its axis once every .............................. hours.

1 mark

1997 Paper A Q1 (a)

Complete the following sentences.

The Earth spins on its axis once every .............................. hours.

1 mark

1997 Paper A Q1 (a)

Complete the following sentences.

It takes about 365 days for the Earth to orbit the ................................. .

1 mark

MagnetsMagnets (a)(a) Children tested Children tested

the strength of three magnets the strength of three magnets by finding out how many steel by finding out how many steel paper clips each magnet held.paper clips each magnet held.

They recorded They recorded their results.their results.

m agnet

horseshoe

bar

round

num ber of paper clips held

3

8

5

Look at the results in the table.Which is the strongest magnet?

A. Horseshoe

B. Bar

C. Round

(b) Explain how you decided which is the strongest magnet.

1997 Paper A Q2

(c) Which arrow (c) Which arrow shows the shows the direction of the direction of the magnetic force magnetic force which holds the which holds the paper clips in this paper clips in this position.position.

AB

C

1997 Paper A Q2

(d) Explain why a magnet will not attract plastic paper clips.

1997 Paper A Q2

1.1. PlantsPlants(a)(a) Write in the correct name for each part of the plant.Write in the correct name for each part of the plant.

One has been done for you.One has been done for you.

1997 Paper A Q3

Part 1 is: S_ _ _ _ _.

1.1. PlantsPlants(a)(a) Write in the correct name for each part of the plant.Write in the correct name for each part of the plant.

One has been done for you.One has been done for you.

1997 Paper A Q3

Part 2 is: S_ _ _ _ _.

1.1. PlantsPlants(a)(a) Write in the correct name for each part of the plant.Write in the correct name for each part of the plant.

One has been done for you.One has been done for you.

1997 Paper A Q3

Part 3 is: S_ _ _ _ _.

1.1. PlantsPlants(b)(b) The table describes what these four parts of the plant do.The table describes what these four parts of the plant do.

1997 Paper A Q3

Num ber W hat the part o f the p lant does

m akes food using sunlight

produces pollen

receives pollen

attracts insects for po llination

Write the correct number of each part Write the correct number of each part of the plant next to what the part does.of the plant next to what the part does.

1997 Paper A Q4

(a) Some children carried out two fair tests on three different fabrics, A, B and C.First they hung a 100 g mass from the bottom of each fabric.

Secondly they soaked each fabric in water.

What is the name of the force pulling downwards on the 100 g mass?

(b)(b) The table shows the results of their two tests.The table shows the results of their two tests.

1997 Paper A Q4

  fabric A fabric B fabric C

how far the fabricstretched, in cm

0 6 15

how much water wassoaked up, in cm3

35 52 9

Some children wanted a fabric which does not stretch.Which fabric should they choose? A, B or C?

1997 Paper A Q4

 fabric A fabric B fabric C

how far the fabricstretched, in cm

0 6 15

how much water wassoaked up, in cm3

35 52 9

(c) Which fabric soaked up most water? A, B or C?

(d) Use the information in the table to give TWO reasons why fabric C is better for swimwear than fabric A.

1997 Paper A Q5

(a) Tim and Sue have a torch and a shadow puppet.

What does the light from the torch shine on?

Chose TWO things.

A. the front of the puppetB. the back of the puppetC. the shadow of the puppet

D. the screen

(b) Explain how a shadow is formed.

(c)(c) The height of the puppet is 20 cm.The height of the puppet is 20 cm.The graph below shows how the height of the shadow on the screen changed The graph below shows how the height of the shadow on the screen changed

when the puppet was moved away from the torch.when the puppet was moved away from the torch.

1997 Paper A Q5

200

160

120

80

40

00 50 100 150 200 250 300

d istance from the to rch to the puppet in cm

height ofshadow

in cm

Continue the line graph to show what the height of the shadow will be when the puppet is 250 cm and 300 cm from the torch.

2 marks

(d) Look at the graph.What was the height of the shadow when the puppet was 50 cm from the torch?

.................................. cm.

200

160

120

80

40

00 50 100 150 200 250 300

d istance from the to rch to the puppet in cm

height ofshadow

in cm

1997 Paper A Q5

(e) Describe how the height of the shadow changed as the distance from the torch to the puppet changed.

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

......................................................................................................................2 marks

(a) Which of these could lead to a greater chance of heart disease?Choose TWO.

1997 Paper A Q6

A. regular exercise

B. smoking

C. eating lots of fruit and vegetables

D. eating lots of fatty foods

E. not washing regularly

(b) Two children studied a model of a human heart.

What does the heart do to the blood inside the body?

(c)(c) What is the name of the blood vessels What is the name of the blood vessels which carry blood which carry blood toto the heart? the heart?

1997 Paper A Q6

1997 Paper A Q6

(d)(d) Mary took part in three activities.Mary took part in three activities. She measured her heart beat just after each activity.She measured her heart beat just after each activity. She measured the rate again after resting for 30 minutes.She measured the rate again after resting for 30 minutes. She recorded her results.She recorded her results. Complete the table to show her heart beat rate after resting for 30 minutes.Complete the table to show her heart beat rate after resting for 30 minutes.

Activ ity

writing

walking

running

Heart beat rate in beats per m inute

justafter activ ity

after resting for30 m inutes

79

117

173

78

(e) Explain how you decided what beat rates to write in the table.

1. Circuits(a) Two children made a model fairground ride.

They connected a battery to an electric motor to make the model turn.

1997 Paper A Q7

The motor is not working.What is wrong with this circuit?

(b) Draw a circuit diagram in which the switch can be used to turn the motor on and off.You MUST use these three symbols in your diagram.

battery

sw itch

m otor

M

(c)(c) Here are two different circuits which use the same kind of Here are two different circuits which use the same kind of battery and bulb.battery and bulb.

1997 Paper A Q7

Which bulb will be the brightest ? A, B or C?

(d) The outside of this plug is made of plastic so that you do not get a shock when you plug it in.

Explain why the plastic helps to make the plug safe.

(e) Why is it dangerous to put a plug in when the plug is wet?

1997 Paper A Q8 (a) Children put four different types of soil into funnels.They poured 300 cm³ of water on to each soil.

They measured how much water passed through in five minutes.Look at the picture.

Which soil allowed the least water to pass through it?

1997 Paper A Q8 (b) Clay has small particles and does not let water through easily.Sand has larger particles and lets water through easily.

The table shows the four types of soil they tested.Which type of soil was put in each funnel?

Complete the table by sending the letters in the correct order for each funnel?

soil

all clay

m ostly clay, som e sand

m ostly sand, som e clay

all sand

funnel

1997 Paper A Q8(c) The children showed their results on a graph.

The graph shows how much water each type of soil let through in five minutes.

0

50

100

150

200

250

300

soil A so il B so il C soil D sm allstones

soil type

volum eof waterin cm ³

The children then poured 300 cm³ of water onto small stones in a funnel.

Draw a bar on the graph to predict the volume of water which will pass through the

small stones in five minutes.