Energy Unit 1: WS

Our main source of energy is the ______________________.

2. Why do organisms need energy?

______________________________________________________________

3. Name 5 sources of energy.

______________________________________________________________

4. Name the different forms of energy.

______________________________________________________________

5. Kinetic energy of an object depends on

i) ____________________________________

ii) ____________________________________

6. Gravitational potential energy of an object depends on

i) ____________________________________

ii) ____________________________________

7. Chemical potential energy is possessed by

i) ____________________________________

ii) ____________________________________

iii) ____________________________________

iv) ____________________________________

v) ____________________________________

8. Kinetic energy is possessed by

i) ____________________________________

ii) ____________________________________

iii) ____________________________________

iv) ____________________________________

v) ____________________________________

9. ___________________________energy allows us to see and is needed by plants to make food.

10. Electrical appliances make use of ______________________ energy to work.

11. Heat energy is transferred from the __________________ region to the

__________________ region.

12. Sound energy also depends on the _________________________________ and

the ___________________________________.

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