Across
- 4. black/brown rock burned for energy
- 5. liquid found deep under ground fossil fuel
- 8. power for households
- 9. wind moving air
- 10. decomposed organisms from millions of years ago that were put under extreme pressure.
- 12. water power turned into energy
- 14. a resource that can not be replenished at the same rate it is being used.
- 15. materials made from animals and plants
Down
- 1. A resource that is easy to replace or never runs out.
- 2. naturally made materials that help us make things we need
- 3. The act of bringing materials into an area that do not belong and cause trashing effects
- 6. earth-heat
- 7. made by humans
- 11. to prevent un-efficient use of a resource
- 13. to change waste into a reusable material
- 16. energy from the sun in the form of heat and light.