Electromagnetism

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Across
  1. 1. current that always flows in one direction through a wire
  2. 6. naturally magnetic mineral
  3. 10. the attractive or repulsive force between electric charges and magnets.
  4. 12. a single wire wrapped into a cylindrical wire coil.
  5. 13. space surrounding a magnet, exerts a force
  6. 14. groups of atoms with aligned magnetic poles
Down
  1. 2. a device that increases or decreases the voltage of an alternating current.
  2. 3. a large wheel that that rotates when pushed by water, wind, or steam
  3. 4. device that uses electromagnets to measure electric current
  4. 5. device that uses electromagnetic induction to transform mechanical energy into electrical energy
  5. 7. current that reverses direction in a regular pattern
  6. 8. a temporary magnet created when there is current in a wire coil
  7. 9. place where a magnet is strongest
  8. 11. a device that changes electrical energy into mechanical energy