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.
the ___________________________________.
