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TOPICAL TEST 5 : MATERIALSSection A

This question paper consists of25 questions. Answer all questions. Every question is followed by four options A, B, C

andD. Choose the correct answer.

1 Table 1 shows four natural materials.

Ob ect Material

Table 1

Which of the objects come from plants?

A JandK C JandLB KandL D L and M

2 Diagram 1 shows three objects.

Diagram 1

Which of the following is the natural source of the

objects?

A Plants C Glass

B Animals D Plastic

3 Diagram 2 shows a process.

Diagram 2

Which of the following statements are true?

I The fur can produce tie

II The object produced cannot provide warmth.

III The fur from the animal is spun into thread.

IV The natural source of the object comes from theanimal.

A I and II C II and IV

B II and III D III and IV

4 Which of the following classifications of materials is

true according to its natural sources?

Plant Animal

A Cotton, wood, fur Leather, rubber, sand

B Clay, sand, paper Silk, wood, leather

C Rubber, silk, wood Metal, fur, latex

D Log, rubber, cotton Leather, fur, silk

5 Which of the following objects are made of metal?

I III

II IV

A I and II C II and III

B I and III D III and IV

6 Diagram 3 shows a raincoat.

Diagram 3

Which of the following objects does not have similar

property as the raincoat?

A C

B D

7 Diagram 4 shows four objects, W, X, Y and Z in awater-filled beaker.

Diagram 4

Arrange the objects in the correct sequence from the

object that is the hardest to float to the easiest.

A X,Z, W, Y C Y, W,Z,XB X, W,Z, Y D Z,X, Y, W

8 Which of the following classifications of objects is

correct according to their physical property?

Object Physical property

A Rubber band, tissue paper Elastic

B Metal spoon, glass rod Conduct heat

D Boat, life-jacket Float on water

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9 Diagram 5 shows a sponge that is put on the surface of

water. After a while, the sponge is found to sink to the

base of the container.

Diagram 5

The investigation shows that the sponge isA hard C water-proof

B able to float D absorbent

10 Diagram 6 shows an electric circuit.

Diagram 6

WhenXis connected, the bulb lights up.Xmay be aI iron spoon III copper coin

II plastic ruler IV wooden stick

A I and III C II and III

B I and IV D III and IV

11 Which of the following statements is not correct?

A Iron key and stocking are conductors.

B Paper and plastic ruler are insulators.C Conductors allow electricity to flow through them.

D Insulators do not allow electricity to flow through

them.

12 Diagram 7 shows two activities carried out by Adam.

Diagram 7

What can be concluded from the activities shown?

A The materials are elastic.

B The materials can float.

C The materials can be pulled.

D The materials can conduct heat.

13 Diagram 8 shows a towel.

Diagram 8

The material used to make a towel must be

A light C opaque

B elastic D absorbent

14 Diagram 9 shows a kettle.

Diagram 9

Which part of the kettle is an insulator?

A K C MB L D N

15 Diagram 10 shows a tent.

Diagram 10What is taken into consideration when choosing a

material to make the tent?

A Hard

B Colourful

C Waterproof

D Conducts electric

16 Which of the following is the best way to keep ice

from melting?

A Put it into a box.

B Covering it with sawdust.

C Wrapping it with tissue.

D Keep it into a plastic bag.

17 Diagram 11 shows a pair of spectacles.

Diagram 11

Which of the following objects has the same propertyasP?

A C

B D

18 Diagram 12 shows the observation of an investigation.

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Diagram 12

What is materialX?

A Glass

B Cardboard

C Tissue paper

D Tracing paper

19 Diagram 13 shows a steel cup is filled with hot tea.

Diagram 13

Why do we feel hot when holding the handle of the

cup?

A Steel is insulator.B Steel absorbs tea.

C Steel conducts heat.

D Steel conducts electricity.

20 Aluminium was used to build the body of a bicycle.

Why does it so?

A It does not rust.

B It is strong and light.

C It is long-lasting and heavy.

D It conducts heat and electricity.

21 Which of the following can cause iron objects to rust?

I Air III Water

II Sunlight IV Cooking oil

A I and II

B I and III

C II and III

D III and IV

22 Diagram 14 shows an investigation.

Diagram 14

Which of the following iron nails do not rust after one

week?A WandX C Xand YB Wand Y D YandZ

23 Diagram 15 shows a pair of scissors made of metal.

Diagram 15

What is the best way to prevent the scissors from

rusting?A Wash it with water. C Wipe it with cloth.

B Wash it with soap. D Coating with chromium.

24 Which of the following are the advantages of reusing,

reducing and recycling?

I Conserving energy

II Increasing pollution

III Conserving raw materials

IV Protecting the environment

A I and II C II and III

B I and III D III and IV

25 The following materials can be recycled except

A C

B D

Section B

Answer all the questions.Write your answers in the spaces provided.

1 Table 1 shows the data collected in an investigation

to test the ability to absorb water by four different

materials. The materials are weighed before soaking

in water for 3 minutes. Materials are then taken out

and the weights are recorded.

Material Mass of dried

material (g)

Mass of moistened

material (g)

Pa er 85 120

N lon 150 171

Cotton 220 263

Table 1

(a) Which material gives the biggest difference in

mass before and after being soaked in water?

_______________________________________[1

mark]

(b) What is the reason (inference) based on your

answer in (a)?

_______________________________________

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[1 mark]

(c) State one relationship (hypothesis) between the

difference in mass of a material and the physical

property tested?

_______________________________________

[1 mark]

(d) Give one example of non-absorbent material.

_______________________________________

[1 mark]

2 Diagram 1 shows an investigation carried out by a

pupil. Three corks with different masses are put into

beakers P, Q and R. The positions of the corks are

shown in Diagram 1.

Diagram 1

(a) What is the purpose (aim) of the investigation?

_______________________________________

[1 mark]

(b) What is the relationship (hypothesis) between

the variable that is changed (manipulated) and

the variable that is observed (responding)?

_______________________________________

[1 mark]

(c) State the variable that is kept the same (constant)

in the investigation._______________________________________

[1 mark]

(d) Explain how can a submarine change its position

in the water.

_______________________________________

[1 mark]

3 Diagram 2 shows the investigation carried out by a

group of pupils to find out the conditions for rusting.

Diagram 2

(a) From the above investigation, state

(i) what is changed (manipulated variable):

___________________________________

(ii) what is observed (responding variable):

___________________________________

[2

marks]

(b) State the observation on the iron nail in test tube

Uafter one week.

_______________________________________

[1 mark]

(c) State one reason (inference) based on your

answer in (b).

_______________________________________

[1 mark]

(d) Iron nails in which of the test tubes do not rust

after one week?

_______________________________________

[1 mark](e) State two factors that causes iron nails to rust.

1. _____________________________________2. _____________________________________

[2 marks]

(f) State one conclusion based on the investigation

above.

_______________________________________

[1 mark]

4 Diagram 3 shows three types of recycling bins.

Diagram 3

(a) What is meant by recycling?

_______________________________________

[1 mark]

(b) Name two materials that can be recycled.

1. _____________________________________

2. _____________________________________

[2 marks]

(c) Give two reasons (inference) why we should

recycle materials.

1. _____________________________________

2. _____________________________________

[2 marks]

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