Across
- 7. Noisy energy form
- 8. Energy is always ______
- 9. What comes out of a process or a device
- 12. Shocking energy form
- 14. Needed to do work
- 15. Stretching energy
- 16. Energy unit
- 17. Stored energy in food
- 19. A form of PE
- 20. What goes into a process or device
- 23. How well energy is used
- 24. To go from one to another
Down
- 1. Converts electrical to sound energy
- 2. Energy source inside the Sun
- 3. Law of _______ of energy
- 4. The energy wanted from a device
- 5. Also known as heat energy
- 6. Can be elastic or gravitational
- 9. Maximum efficiency
- 10. Energy form produced because of friction
- 11. Movement energy
- 13. Useful energy produced by a lamp
- 18. Max percentage efficiency
- 21. Percentage efficiency if only one fifth is useful
- 22. Makes electrical energy from sound