Electromagnetic Words

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Across
  1. 4. Can attract or repel others
  2. 7. a small device that powers devices
  3. 8. Anything moving in a definite direction
  4. 10. The physical north pole
  5. 11. The opposite of a screw
  6. 13. costs 5 cents
  7. 16. an important class of micro-/nanomaterials that display magnetic properties when shown to external magnetic fields
  8. 19. Usually associated with up
  9. 21. It makes things go like boats
Down
  1. 1. A force with North and South poles\
  2. 2. What makes things run when you plug them in
  3. 3. the unit of electric current
  4. 5. creates energy
  5. 6. A pressure that pushes the circuit power through a current
  6. 9. The non-physical north pole
  7. 12. The resource before diamonds
  8. 14. A kind of wire used a lot in engineering
  9. 15. Often a connector for electronics
  10. 17. found before you defeat the wall of flesh
  11. 18. Usually associated with down
  12. 20. a device with a magnetised needle