Across
- 3. can destroy environment if power plat destructs
- 5. splitting atoms
- 6. sunlight
- 7. currents
- 12. energy can only change form, can't be destroyed or created
- 17. heat steam
- 18. moving
Down
- 1. direct contact
- 2. needs lots of sun
- 4. bottom of the first hill on a roller coaster
- 7. food, plants, batteries
- 8. moving parts
- 9. top of the first hill on a roller coaster
- 10. not moving, greater if higher
- 11. may run out, causes lots of pollution
- 13. plugged in
- 14. light
- 15. no pollution
- 16. travels from hot to cold, same temperature