Sci Y4 Test 5
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Transcript of Sci Y4 Test 5
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8/6/2019 Sci Y4 Test 5
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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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