2b Sci Yr4
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Question 1 of 20
1. Question
What type of thermometer is shown in figure below?
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Question 2 of 20
2. Question
Heat is a form of _______.
Â
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Question 3 of 20
3. Question
Match the given words with the correct statement.
Sort elements
- The measure of how hot or cold an object.
- The unit for the temperature is
- It is used to measure the body temperature
- It is used in measuring the temperature of an objects in the experiment
- measure temperature
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Temperature
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degree Celsius (C)
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Clinical thermometer
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Laboratory temperature
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We use thermometer to
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Question 4 of 20
4. Question
The clinical thermometer contains mercury.
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Question 5 of 20
5. Question
Sources of heat include water and air.
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Question 6 of 20
6. Question
Heat flows from a hotter object to a cooler object until both objects reach the same temperature.
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Question 7 of 20
7. Question
Examples of poor conductors of heat are _______.
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Question 8 of 20
8. Question
Examples of good conductors of heat are __________.
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Question 9 of 20
9. Question
Fill in the Blank with the correct answer
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Pots, pans and kettles are made of because it conducts heat well cook the food or boil the water inside.
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Question 10 of 20
10. Question
Fill in the Blank with the correct answer
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and rubber is a good insulator.
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Question 11 of 20
11. Question
______ is a poor conductor of heat.
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Question 12 of 20
12. Question
A good ______ of heat allows heat to pass through it easily.
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Question 13 of 20
13. Question
A metal rod was heated as shown in figure below. Which position on the rod would be the least hot?
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Question 14 of 20
14. Question
Choose whether the following materials is good conductor or poor conductor.
- Needle:
- Cloth:
- Glass:
- Eraser:
- Pepsi can:
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Question 15 of 20
15. Question
Fill in the blank with the correct answer
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The electric kettle changes electricity into energy when it is used.
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Question 16 of 20
16. Question
Study figure below carefully. What do you think will happen to the match?
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Question 17 of 20
17. Question
The main source of heat energy is the sun.
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Question 18 of 20
18. Question
A candle burning involves heat loss.
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Question 19 of 20
19. Question
Rubbing two stones together can produce heat energy.
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Question 20 of 20
20. Question
Choose the correct answers for each questions below:
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- A wind up toy keeps moving as long as its energy is not used up.
- Clean source of energy which can be used again are energy.
- The sun is an important source of .
- We fill Tyre’s of motor vehicles and bicycles with .
- energy enables us to cook and dry our clothes.
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