Across
- 4. source that is available in limited amounts
- 5. power created by the use of uranium and other elements to split apart
- 6. power that is can consistently be used
- 8. power created from plant and animal material/waste
- 10. a poor result/effect of using something
- 12. to avoid wasting
- 13. the source for almost all forms of energy on earth
- 14. power created from the movement of water
- 15. power created by the radiation of the sun
Down
- 1. power created by the movement of air
- 2. type of energy that uses the earth's heat to create electricity
- 3. remade by natural processes at the same rate it is used
- 7. a benefit of using something
- 9. an energy source that cannot be used up completely
- 11. remains of ancient organisms that can be burned to gain energy (coal, oil)