electromagnet crossword by David

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Across
  1. 4. magnet made using electricity
  2. 7. triple AAA double AA
  3. 8. A particle disspressd in a fluid
  4. 11. The north Pole of the earth
  5. 14. direction of the south pole
  6. 18. what keeps us in orbit with the sun
  7. 20. you use a hammer and ??? to build something
  8. 21. measures energy that a charge will get if it moves between two points
Down
  1. 1. your car would not run without ??
  2. 2. You can get zapped by
  3. 3. where all compasses point
  4. 5. The flow of electricity
  5. 6. direction of the north Pole
  6. 9. a conductive metal that you can make electromagnets with
  7. 10. You can pick up metal objects with a ???
  8. 12. 5 cents
  9. 13. atomic number 27
  10. 15. A tool that tells you directions
  11. 16. A motor that uses an electromagnet to power it that can charge your car batteries
  12. 17. Thin metal that you can coil
  13. 19. A type of metal that composes about 80% of Earth's inner and outer cores
  14. 22. a measure of the amount of electir charge in a motion