electromagnets

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Across
  1. 4. the particals that make the magnet work
  2. 6. where your compass points
  3. 8. how hard the electrons are being pushed through a wire
  4. 11. a hard silvery gray metal
  5. 13. what you hammer into things
  6. 14. what you replace in your smoke alarm
  7. 15. magnetic south
  8. 18. if you have a power outage this helps turn everything back on
  9. 19. what your lights run off of
Down
  1. 1. a device that points to North
  2. 2. what electricity travels through
  3. 3. attracts others of its self and metals
  4. 4. geographic south
  5. 5. invisible arrows around a magnet
  6. 7. the opposite of north
  7. 9. what pennies are made of
  8. 10. a magnet that you can turn on and off
  9. 12. 5 cents
  10. 16. the measurement of the low of electricity
  11. 17. whats in your electric tooth brush
  12. 20. one of the most magnetic metal