Across
- 3. Can be easily replaced in a short amount of time.
- 9. Power of the sun.
- 10. Breaking down of rock into sediment.
- 12. The remains of ancient organisms that where buried millons of years ago.
- 13. A variety of fish caught and the wild and grown in captivity.
- 14. All the living and nonliving factors which an organism interacts.
- 15. The most fertile soil.
- 17. Renewable energy resource produced by turbines.
- 20. Where a body of water meets the land.
Down
- 1. Type of energy that comes from the heat of the center of the earth.
- 2. A reptile that has a hard shell.
- 4. Something that can be found in nature.
- 5. Primary source of refined fuel.
- 6. Occurs when you remove energy from the water cycle.
- 7. A large ball of burning gas.
- 8. Primary source of energy during the industrial revolution.
- 11. Covers 80 percent of the earth.
- 12. A push or a pull.
- 16. Use of plant and animal material for fuels.
- 18. The movement of sediments from one place to another.
- 19. Large rivers of ice on land.