Across
- 2. Potential energy that is dependent on gravity
- 4. A source of energy made from falling water
- 8. Stored energy waiting to be used
- 9. Energy made from sources that don't run out
- 10. Gas that's made naturally, under the earth
- 12. A source of energy from the sun
- 13. A source of energy made from moving air
- 14. Thin plates that turn solar energy directly into electricity
Down
- 1. Energy in motion
- 3. Fossilized forms of energy
- 5. Lakes of oil deep in the earth produced by fossils
- 6. An energy source made up of dead plants that turned into carbon
- 7. The ability of someone or something to do work
- 10. Energy found inside the nucleus of an atom
- 11. Energy that doesn't produce chemicals and waste