Across
- 3. allow charges to move freely
- 5. potential difference between circuits
- 8. items that convert electricity into other forms or energy
- 9. resource that may be used over and over again
- 11. 2 wires made with diffrent types of metal
- 12. unlike charges attract. like charges repel, and charged objects attract uncharged ones
- 13. circuits with 1 current path
- 17. switch to cut out power
- 19. when current regularly changes direction
- 22. Charge produced by rubbing objects together
- 24. used to "step up" the voltage for transmission
- 26. substance that conducts electrical current
- 27. allows little or no resistance to charged particles
- 28. strong temp. magnet, made with soft iron core and a coil wire
- 29. Correct term for static electricity; not stationary
- 30. device that measures ohms
- 31. opens and closes a circuit
Down
- 1. "live wire" that carries electricity and is insulated
- 2. device to safely channel energy that leaks
- 4. combination of different cells
- 5. standard unit for potential difference
- 6. 2 states that represent numbers and letters
- 7. circuits with several current paths
- 10. fuels that are consumed faster than they can be replaced
- 14. flow of electric charge
- 15. filled with neutral or uncharged particles
- 16. do no conduct electricity
- 18. symbol to represent one of many loads
- 20. burns and uses heat to make electricity
- 21. resistance between 2 points
- 23. object that creates electricity
- 25. 2 metals in a voltaic or chemical cell