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Sci – Ch 6

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1

Which property of light allows us to see objects clearly?

2

Which energy sources should be used responsibly?

3

Which energy is used to run electrical appliances?

4

Why should we use energy sources carefully?

5

Why do motor vehicles need fuel?

6

What is the main source of energy for Earth?

7

What is needed to make a simple electric circuit work?

8

Which form of energy helps us to see objects?

9

Which unit is commonly used to measure temperature?

10

Which form of energy makes things warm?

11

Which items are needed in a simple electric circuit?

12

Which characteristic of sound tells how loud it is?

13

Which of the following are forms of energy?

14

Which of the following is a source of heat?

15

Which objects can produce sound?

16

Which part of a circuit provides electrical energy?

17

Which of the following is a form of energy?

18

Which of the following are sources of light?

19

Which instrument is used to measure temperature?

20

What does temperature tell us?

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