Tracer crossword on electromagnet

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Across
  1. 3. Up on a map
  2. 6. will direct you to the magnetic north
  3. 7. on you finger
  4. 9. very top of the earth
  5. 13. 5 cents
  6. 16. A magnet that can be turned off
  7. 18. Cannot install subs without this
  8. 19. down on a map
  9. 20. lightning has a _____ that is measured
  10. 21. thin metal
Down
  1. 1. not physical north
  2. 2. in your truck
  3. 4. something that pulls metal
  4. 5. what your house most likely runs on
  5. 8. the wire carries this
  6. 10. can power your house if you don't have power
  7. 11. blue rock
  8. 12. the partials of magnets
  9. 14. Is an orange metal
  10. 15. what you rc car runs on
  11. 17. metal pulled by a magnet