Electricity Crossword Puzzle

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