Across
- 4. splitting atoms that form energy.
- 7. energy due to motion.
- 9. the movement of electrons in a current.
- 10. uses water to generate electricity.
- 12. rays from the Sun.
- 14. stored chemical energy from the Sun found in and animals.
- 15. liquid from decayed plants and animals.
Down
- 1. heat.
- 2. flow of air.
- 3. stored energy from chemicals.
- 4. fossil energy source formed deep under the Earth's surface.
- 5. heat within the Earth.
- 6. moving energy.
- 8. the ability to do work.
- 11. light and Solar energy.
- 13. combustible rock.