Across
- 2. used with turbines
- 6. a liquid found in the ground used for a fuel
- 7. is a free energy source
- 10. converts solar energy into a usable amount of direct current electricity
- 11. organic matter used as a fuel
- 13. the energy released when making electricity
Down
- 1. energy that uses the water cycle
- 3. a flammable gas that is used for making electricity
- 4. used to power cars in a liquid form
- 5. a device converting solar radiation into electricity
- 8. relating to, or produced by the internal heat of the earth
- 9. energy radiant energy emitted by the sun
- 12. is used to power grills and trains
- 14. a black combustible rock that's used for fuel,or cooking