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Science questions, unit 9
Nama / NameKelas / ClassTarikh / Date

Earth

28 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 marks
Choose the best answer for each question.
1

Question 1

Which one is a natural source of water?
Show answerHide answer
B
Rain is a natural source of water. The others only hold water.
For the teacher: Remembering, low difficulty, standard 9.1.1
Textbook p. 102
2

Question 2

Rain is water drops that fall from the ______.
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A
Rain falls from the clouds.
For the teacher: Remembering, low difficulty, standard 9.1.1
Textbook p. 102
3

Question 3

Diagram 1 shows water flowing out of the ground between stones. What is it?
Water bubbling out of the ground between stones
Diagram 1
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C
A spring is a place where water under the ground flows out.
For the teacher: Understanding, low difficulty, standard 9.1.1
Textbook p. 103
4

Question 4

Which source of water is salty?
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D
Sea water is salty.
For the teacher: Understanding, low difficulty, standard 9.1.1
Textbook p. 102
5

Question 5

Hana lifts one side of a tray of coloured water. Which way does the water flow?
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B
Water flows from a high place to a low place.
For the teacher: Understanding, low difficulty, standard 9.1.2
Textbook p. 106
6

Question 6

Diagram 2 shows a river. In which direction does it flow?
A river from a mountain waterfall down to the sea
Diagram 2
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C
Rivers flow from high areas to low areas and then to the sea.
For the teacher: Applying, medium difficulty, standard 9.1.3
Textbook p. 107
7

Question 7

Water vapour cools and becomes ______.
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C
Water vapour cools to make clouds.
For the teacher: Understanding, medium difficulty, standard 9.1.4
Textbook p. 108
8

Question 8

What comes after clouds in the water cycle?
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A
Heavy clouds give rain.
For the teacher: Applying, medium difficulty, standard 9.1.5
Textbook p. 109
9

Question 9

Living things need ______ to breathe.
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D
All living things need air to breathe.
For the teacher: Remembering, low difficulty, standard 9.2.1
Textbook p. 110
10

Question 10

Which living thing breathes in the soil?
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B
Termites also breathe in the soil. Fish breathe in water.
For the teacher: Understanding, low difficulty, standard 9.2.2
Textbook p. 110
11

Question 11

Moving air is called ______.
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A
Moving air is called wind.
For the teacher: Understanding, low difficulty, standard 9.2.3
Textbook p. 112
12

Question 12

Diagram 3 shows big waves near a house by the sea. What causes the big waves?
Big waves near a house by the sea
Diagram 3
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B
Strong winds cause big waves and storms.
For the teacher: Applying, medium difficulty, standard 9.2.4
Textbook p. 113

Section B: structured questions

16 marks
Answer all questions. Circle the answer or write it in the space.
13

Question 13

Water is found in many places.
[1 mark] (a)Is a lake a natural source of water?
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Yes
[2 marks] (b)Name two other natural sources of water.
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Tick each point you got.
For the teacher: Remembering, low difficulty, standard 9.1.1
Textbook p. 102
14

Question 14

Raju pours coloured water into a tray and lifts one side.
[1 mark] (a)Where does the water flow to?
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The low place
[1 mark] (b)Does a river flow from a hill to the sea or from the sea to a hill?
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Tick each point you got.
For the teacher: Understanding, low difficulty, standard 9.1.2
Textbook p. 106
15

Question 15

Diagram 4 shows the natural water cycle.
The natural water cycle: 1 water, 2 water vapour, 3 clouds, 4 rain
Diagram 4
[1 mark] (a)Water vapour rises and cools. What does it form?
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Tick each point you got.
[1 mark] (b)The clouds become heavy. What falls from them?
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Tick each point you got.
[1 mark] (c)Does the water cycle stop?
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No
It is a continuous cycle that never stops.
For the teacher: Applying, medium difficulty, standard 9.1.4
Textbook p. 108
16

Question 16

Living things breathe.
[1 mark] (a)What do living things need to breathe?
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Tick each point you got.
[1 mark] (b)Name one living thing that breathes in water.
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Tick each point you got.
For the teacher: Understanding, low difficulty, standard 9.2.2
Textbook p. 111
17

Question 17

Saiful flies a kite on a windy day. Diagram 5 shows two other things that the wind does.
Wind turbines turning in a field, and white clothes drying on a clothes line
Diagram 5
[1 mark] (a)What is moving air called?
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Tick each point you got.
[2 marks] (b)Give two ways that wind helps humans.
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Tick each point you got.
For the teacher: Applying, medium difficulty, standard 9.2.3
Textbook p. 112
18

Question 18

A very strong wind is blowing near the sea.
[1 mark] (a)Give one effect of a strong wind.
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Tick each point you got.
[2 marks] (b)Should Saiful fly his kite in this wind? Give a reason.
Show answerHide answer
Tick each point you got.
For the teacher: Evaluating, high difficulty, standard 9.2.4
Textbook p. 113