Across
- 4. energy made by wind
- 6. takes a long time to replace
- 7. energy made by water
- 8. humans use every day
- 11. releaces heat when burned
- 12. typs of fossil fuels
- 13. energy made by sun
- 14. ex. wind water and sun
- 15. buring fossil fuels
Down
- 1. heat from the earth
- 2. made by nature
- 3. creats enegy
- 5. ex. coal oil stone
- 9. easy to replace
- 10. materials made by plant and animal waste