2f Sci Yr4 Theme2 Energy Forces Rev2

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Question 1 of 15

1. Question
What energy conversion takes place when the gas is burnt?
- Chemical energy converted into kinetic energy and movement energy.
- Potential energy converted into kinetic energy and movement energy.
- Stored energy converted into light energy and heat energy.
- Mechanical energy converted into light energy and heat energy.
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Question 2 of 15

2. Question
What energy conversion takes place when the fireworks are lit?
- Chemical energy converted into kinetic energy, heat energy and movement energy.
- Potential energy converted into kinetic energy, heat energy and movement energy.
- Stored energy converted into light energy, heat energy and sound energy.
- Movement energy converted into light energy, heat energy and sound energy.
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Question 3 of 15

3. Question
What energy conversion takes place with the petrol in a moving car?
- Stored energy converted into movement energy, heat energy and sound energy.
- Potential energy converted into kinetic energy, heat energy and movement energy.
- Stored energy converted into light energy, heat energy and sound energy.
- Movement energy converted into light energy, heat energy and sound energy.
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Question 4 of 15

4. Question
What energy conversion takes place when a light bulb is switched on?
- Stored energy converted into movement energy, heat energy and sound energy.
- Potential energy converted into kinetic energy, heat energy and movement energy.
- Electrical energy converted into heat energy and light energy.
- Chemical energy converted into electrical energy, light energy and heat energy.
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Question 5 of 15

5. Question
Choose objects below that produce heat energy:
- Kettles
- Hair dryers
- Microwave
- Radio
- Televison
- Batteries
- Racing car
- Burning fuel
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Question 6 of 15

6. Question
Friction occurs when two surfaces such as palms rub against each other.
- True
- False
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Question 7 of 15

7. Question
Friction can produce heat energy.
- True
- False
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Question 8 of 15

8. Question
Water is categorizes as a form of energy.
- True
- False
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Question 9 of 15

9. Question
Sound energy is a form of energy that we can touch
- True
- False
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Question 10 of 15

10. Question
Thermometer is used to measure temperature more accurately.
- True
- False
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Question 11 of 15

11. Question
Thermometer is measured in degree Fahrenheit.
- True
- False
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Question 12 of 15

12. Question
Choose the following question with the correct answer provided.
- a) Temperature is a of the degree of hotness or coldness.
  
  i. measure ii. experiment iii. calculation
  
  b) When you put your hands in cold water, you will feel
  
  i. warm ii. cold iii. cooling
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Question 13 of 15

13. Question

Match the following items with the correct description.

Sort elements

Wall thermometer
Data-logger
Clinical thermometer

Used to measure the temperature of the air in the room.

Can measure temperature with its heat sensor that then be sent to a computer.

To measure body temperature

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Question 14 of 15

14. Question

Match the following items with the correct description.

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Sun
Electricity
Burning fuels
Friction

Provides human with the heat energy to keep warm.

Helps human to use all the electrical appliances for everyday purposes.

Provides human help in firing up or lightning up something such as burning wood and burning kerosene.

A force movement that occurs either in sliding ways or rolling.

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Question 15 of 15

15. Question
Steps in using a thermometer. Arrange the following items in the correct order.
- Wait for a moment until the liquid in the thermometer stop rising and falling.
- Hold the stem of thermometer firmly.
- Put the bulb of the thermometer inside the beaker of water.
- Check at eye level where does the liquid stop at.
- Read and record the temperature.
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2f Sci Yr4 Theme2 Energy Forces Rev2

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