Across
- 2. energy __________ be created
- 5. electrical energy converts to _________ energy in a torchlight
- 8. derived from dead plants and animals
- 10. is a form of energy generated from running water
- 12. is an example of fossil fuels
- 13. fossil fuels is categorised as what type of energy
Down
- 1. define as the ability to do work
- 3. a rubber band when stretched have _______ energy
- 4. the higher a person climb, the more ______________ potential energy he have
- 6. energy can _________ from one form to another
- 7. an energy due to its motion
- 9. wind and solar energy are considered _________ source of energy
- 11. energy __________ be destroyed