Magnets Crossword

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Across
  1. 4. a magnet that keeps its magnetism for a while
  2. 6. to have two opposite poles
  3. 8. to bring together
  4. 10. a piece of iron that attracts another piece of iron
  5. 12. the space that surrounds a magnet
  6. 13. significant magnetic properties
  7. 14. negative (-)
  8. 15. a tool that uses a magnet to help people find direction
  9. 16. a magnet that loses its magnetism after time
  10. 17. positive (+)
  11. 18. to drive two poles away from each other
  12. 19. electrical charge that flow in one direction
Down
  1. 1. a magnet shaped like a "U"
  2. 2. a magnet made from iron wrapped by a coil of wire
  3. 3. a power that causes change
  4. 5. the two ends of a magnet where its the strongest
  5. 7. an invisible line connecting the north and south poles
  6. 9. electrical charge that reverses direction
  7. 11. a slivery-white chemical element
  8. 12. ability to attract iron or metal