2g Sci Yr4 Theme2 Energy Forces Rev2(g)

2g Sci Yr4 Theme2 Energy Forces Rev2(g)

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Question 1 of 16

1. Question
Amid heated a beaker of a tap water and recorded the results as shown.

(a) How long did Amid take to boil the water?
- 14 minutes
- 13 minutes
- 12 minutes
- 8 minutes
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Question 2 of 16

2. Question
Amid heated a beaker of a tap water and recorded the results as shown.

(b) What is the maximum boiling temperature?
- 101 degree celcius
- 100 degree celcius
- 10 degree celcius
- 110 degree celcius
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Question 3 of 16

3. Question
(a) Name the materials that the parts marked A and B are made of.
- 1.Part A is made of .
  
  Glass Iron Wood Rubber
  
  2.Part B is made of
  
  Paper Water Wood Rubber
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Question 4 of 16

4. Question
(b) Why is part A made up of the previous material?
- Part A is made of because they are conductor of .
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Question 5 of 16

5. Question
(c) Why is part B made up of the previous material?
- Part B is made of because they are conductor of or insulator.
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Question 6 of 16

6. Question
The graph shows the temperatures of two similar drink cup A and B placed under the hot sun.
- Which cup, A or B was heated up more quickly?
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Question 7 of 16

7. Question
The graph shows the temperatures of two similar cup A and B placed under the hot sun.
- The previous cab was heated up more quickly because the cup is a good
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Question 8 of 16

8. Question
Based on the results in the graph, what do you think is the coloured of cup A and B?
- The coloured of cup A is yellow and cup B is white.
- The coloured of cup A is white and cup B is black.
- The coloured of cup A is lighter than the cup B.
- The coloured of cup A is black and cup B is white.
Correct

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Question 9 of 16

9. Question
Which of the following statements about heat is/are correct?
- When a lights up, heat is produced.
- When we brush our teeth, heat is produced.
- When we turn on the electric kettle.
- The main source of heat on earth is the sun
- When we eat, the heat energy is produced
- When we touch ice, our finger become warm.
- When we swim in the lake, lake will produce heat.
Correct

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Question 10 of 16

10. Question
Wooden spoon, towel and brick are a group of good conductor of heat?
- True
- False
Correct

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Question 11 of 16

11. Question
Fill in the Blank with the Correct Answer
- Metal, gold, zinc, copper and silver are a group of good of heat.
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Question 12 of 16

12. Question
Fill in the Blank with the Correct Answer
- is a natural source of heat.
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Question 13 of 16

13. Question
Fill in the Blank with the Correct Answer
- Fireman is wearing a suitable suit to protect heat from .
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Question 14 of 16

14. Question
When ice freeze, heat is lost. (freezing water (liquid) change to ice (solid))
- True
- False
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Question 15 of 16

15. Question
When ice melts, heat is gain. (Melting ice (solid) to water (liquid)).
- True
- False
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Question 16 of 16

16. Question
Which of the following correctly shows whether heat is gained or lost in the boiling, melting and freezing process?
- A
- B
- C
- D
Correct

Incorrect