Across
- 2. A fossil fuel
- 5. Unit for measuring energy
- 8. Needed to make things work
- 9. The source of the Earth's energy
- 10. Energy which creates vibrations
- 13. Energy that is stored
- 15. Energy in a trampoline
- 17. Energy which is used the most
- 19. Energy that plants need
Down
- 1. One thousand joules
- 3. Energy from the sun
- 4. Electromagnetic radiation used to look at broken bones
- 6. Moving energy
- 7. Needed for wind turbines to work
- 11. A fossil fuel which is non-renewable
- 12. Energy made in power stations
- 14. Energy that can be extremely dangerous
- 16. Energy you get when eating food
- 18. An object which transfers wind energy to electrical energy
- 20. Energy that is wasted a lot