Science questions, unit 6
Nama / NameKelas / ClassTarikh / Date
Light and dark
26 marks. Use Practice to check each answer as you go, or Exam to answer everything first. Ask a grown-up to help you mark the written answers.
Section A: objective questions
12 marksChoose the best answer for each question.
1
Question 1
Which is the main source of light in the day?
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B
In the day, the sun is the main source of light.
2
Question 2
Which one is a source of light?
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C
Fire, such as a candle flame, gives out light.
3
Question 3
Which is a natural source of light?
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A
Sunlight is natural. Lamps are made by people.
4
Question 4
Diagram 1 shows a village at night. Which gives light to the dark place?

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B
The sun cannot be seen at night. Lamps and fire give light.
5
Question 5
It is ______ to do things in a dark place.
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C
We cannot see well in the dark, so it is difficult to do things.
6
Question 6
Dina must find her shoes in a dark room. What should she use?
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A
A torch is a source of light. It helps her see in the dark.
7
Question 7
A shadow is made when light is ______ by an object.
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D
An object that blocks light makes a shadow.
8
Question 8
Diagram 2 shows a family in a park. What are the dark shapes on the ground?

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C
The people block the sunlight, so shadows are made.
9
Question 9
Hana switches on a torch and puts a toy in front of it. A shadow is made on the wall. Why?
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D
A shadow is made when an object blocks light.
10
Question 10
Which object makes the clearest shadow?
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B
Thick paper does not let light pass through, so its shadow is clear. Tracing paper, glass and frosted glass let some light through, so their shadows are less clear.
11
Question 11
Diagram 3 shows a shadow play. What is it called?

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A
Wayang kulit is a popular shadow play.
12
Question 12
Why is the shadow of a wayang kulit puppet clear?
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C
The puppet does not let light pass through, so its shadow is clear.
Section B: structured questions
14 marksAnswer all questions. Circle the answer or write it in the space.
13
Question 13
Light comes from different sources.
[1 mark]
(a)Is the sun a source of light?
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Yes
[1 mark]
(b)Is a candle flame a source of light?
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Yes
[1 mark]
(c)Name one lamp that we can see on the road at night.
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Tick each point you got.
14
Question 14
Two pairs of pupils find number cards inside two black boxes. Pair A has a torch in its box. Pair B has no torch.
[1 mark]
(a)Which pair finishes the game faster?
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Pair A
[1 mark]
(b)Why?
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Tick each point you got.
15
Question 15
Diagram 4 shows a family in the park.

[1 mark]
(a)What do the people block to make shadows?
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Tick each point you got.
[1 mark]
(b)Will there be shadows if there is no light?
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No
A shadow needs light.
16
Question 16
Lina shines a torch on four objects and looks at the shadows. Circle Clear or Less clear.
[1 mark]
(a)Thick paper
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Clear
[1 mark]
(b)Tracing paper
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Less clear
[1 mark]
(c)Steel ruler
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Clear
[1 mark]
(d)Glass
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Less clear
17
Question 17
Light is needed for our daily activities.
[1 mark]
(a)Why do we need light for daily activities?
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Tick each point you got.
[2 marks]
(b)Amin and Khairul shine two torches on a tree from two sides. How many shadows of the tree are made? Why?
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Tick each point you got.