POE Key Terms

2. The lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw.
4. A resource that can be replaced when needed.
7. Converts energy from Sun to electrical energy.
9. The net transfer of electric charge per unit of time.
11. Percentage of the work input that is converted to work output.
13. Distance between adjacent threads in a screw.
14. A coulomb/second
17. Energy An energy source that will never run out.
18. Gear positioned between driver and driven gear.
19. The ability to make something move.
20. Effort distance/resistance distance
22. A resource that cannot be replaced once used.

1. A Joule/Coulomb
3. The turning effect of a force about a point.
5. Resistance force/effort force
6. A resource that cannot be replaced once used.
8. Uses hydrogen and oxygen to generate electricity.
10. Any source of energy other than fossil fuels.
12. The fixed point around which a lever rotates.
15. Transfers rotary motion through interlocking teeth.
16. The process separating the hydrogen-oxygen bond in water using an electrical current.
21. The rate at which work is performed or energy is expended.