Electromagnetic crossword

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Across
  1. 5. amount of power
  2. 7. teams up with a hammer and wood
  3. 9. a thing or object that holds electricity and can't be turned off
  4. 10. a magnet that can turn off
  5. 12. the speed of electricity
  6. 13. a coin that gives you 5 cents
  7. 14. what used to be in pennies?
  8. 15. material found in magnets
  9. 18. particles that are in iron
  10. 20. the ____ pole
  11. 21. the opposite of the north pole
Down
  1. 1. electricity move in a _______.
  2. 2. a magnet that has north in the name
  3. 3. a current of waves that can not be seen
  4. 4. a copper coil in a shape of a ____.
  5. 6. the iron in the outer surface of the water and creates the earth's magnet called ________.
  6. 8. a four-letter word that is used as a material
  7. 9. this is found in vehicles
  8. 11. shows north, east, west, and south
  9. 16. where the north pole is actually
  10. 17. you put in a console controller
  11. 19. it like a motor but you have to start it by a button or pull