Across
- 7. formed by dead plants and animals
- 9. movement though substance of waves
- 11. energy changes
- 13. movement of gases
- 15. potential energy
- 17. motion of waves
- 18. reduce amount of work
- 23. burning coal
- 24. inclined plain
- 25. adapted an inclined plain
- 26. ability to do work
Down
- 1. power that can't be needed
- 2. living organisms
- 3. force that resists the motion of an object
- 4. made by a wheel or rope or cable
- 5. the formula of meter
- 6. energy flowing like water
- 8. energy waiting to be used
- 10. tiny particles that release large energy
- 12. force moving object
- 13. energy stored in the bonds
- 14. a clean energy source that produced
- 16. the more work it has
- 19. heat transfer by touch
- 20. push or pull of an object
- 21. Kentic energy
- 22. unit of energy for force