Across
- 4. black or brownish rock burn to create energy
- 8. the other name for man made resources
- 9. liquid deep in the ground
- 10. energy made by moving air
- 12. what nonrenewable and renewable resources make or produce
- 13. material that is able to be replaced or never runs out
- 14. energy captured and turned into energy
- 15. the other word for synthetic resources
Down
- 1. material that can not be replaced at the same time its being used
- 2. materials that comes from the natural world
- 3. sun produced energy
- 5. used and maked to make energy and heat
- 6. a type of fossil fuel that is basically gas
- 7. energy produced by the heat of the earth
- 11. materials made by plants and animals that can convert into energy