Across
- 3. most metals are these
- 4. energy from the Earth's heat
- 7. a safety device that breaks a circuit
- 8. energy from the air
- 10. a battery has two
- 13. a pathway for electricity
- 16. non-renewable fossil fuel
- 17. energy from atoms
- 18. natural ____
- 19. energy from waves
- 20. energy from plants and animals
Down
- 1. energy from rivers
- 2. for storing energy
- 5. a device that uses electricity
- 6. electricity flows out from this terminals
- 9. subatomic particles
- 11. rubber,eg.
- 12. ______ electricity
- 14. must be mined for
- 15. energy from the Sun