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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