Across
- 4. Something that comes from the sun
- 7. cutting down trees so they can be used as resources
- 8. A substance that has value or usefulness.
- 10. used to make hydroelectric energy
- 11. caused by movement of electrons
- 13. from plants and animals
- 15. a liquid fossil fuel
- 17. Energy of a object while moving
- 19. wood from trees
Down
- 1. Something stored inside a material
- 2. A resource of raw material that can be grown or replaced
- 3. energy used from dead animals & plants
- 5. generated by flowing water
- 6. made or produced
- 9. comes from oil
- 12. a solid fossil fuel
- 14. taking materials like coal
- 16. generated from the heat interior of earth
- 18. A resource that can't be replaced easily