Across
- 2. a black liquid from under the ground
- 4. standard measure for the energy in foods
- 7. a source of energy from the movement of water
- 8. a mixtural of gases from decayed living organisms
- 10. energy that produces a movement
- 12. even if something is not moving, it can have this kind of energy
- 13. a source of energy from the movement of air
- 14. this type of energy is stored in atomic structures
- 16. energy that is stored in substances
Down
- 1. a source of energy from the light of the sun
- 3. when one form of energy converts to another (turning on a torch)
- 5. energy in motion
- 6. energy from the release of heat
- 9. a radioactive metal used for nuclear power
- 11. this kind of energy travels through cables and to your home
- 15. the sun is a natural source of this kind of energy
- 16. black rock