Across
- 2. energy made from wind
- 6. energy from the earth
- 9. energy from plats
- 11. moving phontons
- 12. energy from gas
- 15. enegry stored in bonds
- 16. energy used in walking
- 19. enegry in form of heat
- 20. from earths gravity
- 21. motion
Down
- 1. energy that cant be used again
- 3. energy from nucleus heating up
- 4. fuels dino bones
- 5. energy that can be reused
- 7. energy made from water
- 8. from electrons moving
- 10. energy from solar waves
- 13. stored energy
- 14. ability to work
- 17. lamb sigma chad
- 18. aged plants