1997 b science

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An interactive lesson to be used with Qwizdom Interactive Voting/Student Response System

Transcript of 1997 b science

1997 SCIENCE PAPER BAn Interactive Qwizdom Lesson

1997 Science Paper B1997 Science Paper BInput your name and press send.Input your name and press send.

1997 Paper B Q1(a) The children observed the animals in and around a pond.

Which three things do ALL animals do?

A. Swim

B. Grow

C. Hunt

D. Move

E. Hear

F. Reproduce

(3 Marks)

1997 Paper B Q1

(b)The pictures show what some of the living things in a pond eat.

Use the information in the pictures.Write the names of three living things to show one food chain in this pond.

………………………. ………………………. ………………….

(c) Write the name of ONE predator, (one word only).

1997 Paper B Q1

(b)The pictures show what some of the living things in a pond eat.

(c) Send the name of ONE prey shown in the pictures (one word only - singular).

Next page

1997 Paper B Q1

(b)The pictures show what some of the living things in a pond eat.

(c) Send the name of ONE producer shown in the pictures (one word only).Clue: 5 letters only.

Ice and Water

(a) Gareth pours water into a glass and puts in some ice.

After a while droplets appear on the outside of the glass

What is the name of the process that causes droplets to form on the outside of the glass?

1997 Paper B Q2

(b) Where does the liquid that makes these droplets come from?

Ice and Water

(c) Gareth leaves the drink on the table for an hour.

1997 Paper B Q2

What will happen to the ice in the glass?“It will ………”

Next page

Ice and Water

(d)(d) Amy puts some ice in a jar of water and stirs.Amy puts some ice in a jar of water and stirs. She measures the temperature of the water with a thermometer She measures the temperature of the water with a thermometer

every every 20 minutes.20 minutes. Her results are shown on this graph.Her results are shown on this graph.

1997 Paper B Q2

a b

c

d

00

5

20

15

10

20 40 60 80 100 120 140

tem peratureof w ate rin ºC

tim e in m inutes

At which ONE point (a, b, c or d) will there still be ice in the glass?

(e) Amy is working in the classroom.What is the temperature of the air in

Amy’s classroom? ............................... °C

............................... °C

• Sinking and Floating• (a) The children made shapes with modelling clay.• The solid ball sank.• The boat floated.

1997 Paper B Q3

What is the name of force a acting on the boat.?

Next page

HINT: ONE WORD, 8 LETTERS NO -

• Sinking and Floating• (a) The children made shapes with modelling clay.• The solid ball sank.• The boat floated.

1997 Paper B Q3

What is the name of force b acting on the boat.?

Next page

(b) The ball and the boat each have a mass of 200g.Explain how the forces a and b make the boat float.

• Sinking and Floating

• (c) Stacey made four hollow balls of modelling clay, each of 200 g.She hung the balls from a forcemeter, first in the air, then in water.

1997 Paper B Q3

What pattern do you notice between the size of the hollow balls and the forcemeter readings in water?

size ofhollow ball

forcem eter read ingsin air (new tons)

forcem eter read ingsin w ater (new tons)

sm all

m edium

large

2

2

2

2

1.5

1.0

0.8

very large 0.0

(d) Explain why the forcemeter readings are lower in water than in air.

• 1. Seeds• (a) Assim and Rachel

investigated how seed are dispersed (moved away) from the parent plant.

• They found that seeds are dispersed by animals, wind or explosion.

• Chose animal or wind or explosion to show how each seed is dispersed.

• One has been done for you.

Pea =

1997 Paper B Q4

A.Animal

B.Wind

C.ExplosionNext page

• 1. Seeds• (a) Assim and Rachel

investigated how seed are dispersed (moved away) from the parent plant.

• They found that seeds are dispersed by animals, wind or explosion.

• Chose animal or wind or explosion to show how each seed is dispersed.

• One has been done for you.

Acorn =

1997 Paper B Q4

A.Animal

B.Wind

C.ExplosionNext page

• 1. Seeds• (a) Assim and Rachel

investigated how seed are dispersed (moved away) from the parent plant.

• They found that seeds are dispersed by animals, wind or explosion.

• Chose animal or wind or explosion to show how each seed is dispersed.

• One has been done for you.

Sycamore =

1997 Paper B Q4

A.Animal

B.Wind

C.ExplosionNext page

• Sounds• (a) Ann clamped a ruler to a

desk.• She pressed down on

the ruler and then let it go.

1997 Paper B Q5

Why was there a sound when Ann let go of the ruler?

Next page

(b) Jack heard the sound. What did the sound travel through to reach Jack’s ears?

(c) Ann shortened the length of the ruler sticking out from the desk.She let go of the ruler from the same position as before.Describe how the sound was different.

• Sounds• (d) Ann fixed a pen to the

end of the ruler. Jack moved towards the table with a piece of paper touching the pen. Jack moved steadily and Ann plucked the ruler once.

1997 Paper B Q5

Next page

This is the pattern that the pen made. What happened to the loudness of the sound between a and b?

a b c

(e) What does the pattern tell you about the sound at point c?

(f) Explain your answer to part (e).

(a) The children have been finding out about materials. Which of these materials will dissolve in water? Chose TWO then send.

1997 Paper B Q6

A. WaxB. SugarC.SaltD.ChalkE. Clay

Next page

(b) What should the children do to separate a mixture of sand and sugar? Choose words from the list to complete the sentences. The first has been done for you.

1997 Paper B Q6

A. EvaporateB. StirC.FreezeD.MeltE. FilterF. CondenseG.Dissolve

Next page

First they should add water to the sand and sugar and STIR. Then they should............................ the mixture to remove the sand.

(b) What should the children do to separate a mixture of sand and sugar? Choose words from the list to complete the sentences. The first has been done for you.

1997 Paper B Q6

A. EvaporateB. StirC.FreezeD.MeltE. FilterF. Condense

First they should add water to the sand and sugar and STIR. Then they should FILTER the mixture to remove the sand.Finally they should ........................... the liquid to leave the sugar behind.

(c) When a solid is dissolved in water, what is the mixture called?

1997 Paper B Q6

A. A filterB. A sludgeC.A solution D.A powder

Next page

(d)(d) The children investigated how much sugar dissolved in 100 cm³ of water at The children investigated how much sugar dissolved in 100 cm³ of water at room temperature.room temperature.

This table shows their results.This table shows their results.

Explain why 10 or more spoonfuls of sugar did not all dissolve in 100 cm³ of water.

(e) The children then investigated how much sugar dissolved in 200 cm³ of water

at room temperature.How much more sugar would

dissolve?

1997 Paper B Q6

Num ber ofspoonfu ls of

sugar

Does it a lld issolve in

100 cm ³ of w ater?

2

4

6

8

10

12

yes

yes

yes

yes

no

no

1997 Paper B Q7Cigarette Smoking

(a) Some hockey players agreed not to smoke so that they would stay fit and healthy.How might smoking make the hockey players less fit and healthy?

(b) One of the players said that being close to other people smoking could damage your health.

How might being close to people smoking damage your health?

1997 Paper B Q8Evaporation

(a) Some children carried out a fair test.They used three identical jars with 100

cm³ of water in each jar.They put each jar in a different room.

Each room was at a different temperature.

room

ABC

tem peratureof room in ºC

231418

They measured the volume of water in each jar after one week. The bar chart shows their results. For this bar chart, which column shows which rooms the jars were in.

20

40

100

60

80

w ater le ft in jarsafter one week

volum eof waterle ft in jarin cm ³

...... ...... ......room

Column 1 =

Next pageCol 1

1997 Paper B Q8Evaporation

(a) Some children carried out a fair test.They used three identical jars with 100

cm³ of water in each jar.They put each jar in a different room.

Each room was at a different temperature.

room

ABC

tem peratureof room in ºC

231418

They measured the volume of water in each jar after one week. The bar chart shows their results. For this bar chart, which column shows which rooms the jars were in.

20

40

100

60

80

w ater le ft in jarsafter one week

volum eof waterle ft in jarin cm ³

...... ...... ......room

Column 2 =

Next page

Col 2

1997 Paper B Q8Evaporation

(a) Some children carried out a fair test.They used three identical jars with 100

cm³ of water in each jar.They put each jar in a different room.

Each room was at a different temperature.

room

ABC

tem peratureof room in ºC

231418

They measured the volume of water in each jar after one week. The bar chart shows their results. For this bar chart, which column shows which room the jars were in?

20

40

100

60

80

w ater le ft in jarsafter one week

volum eof waterle ft in jarin cm ³

...... ...... ......room

Column 3 =

Col 3 (b) Describe how the volume of water left depends on the temperature of the room.