Across
- 4. unlimited heat and light
- 9. natural
- 11. gas of fossil fuels
- 12. moving the air
Down
- 1. plants and animals
- 2. using heat from the earth
- 3. energy from water
- 5. liquid of fossil fuels
- 6. energy created through the splitting of atoms
- 7. used faster than it is produced
- 8. oil,coal,and natural gas
- 10. solid fossil fuels