Magnetism and Electricity

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Across
  1. 1. AC
  2. 4. device that uses electromagnetic induction to transform mechanical energy into electrical energy
  3. 7. a large wheel that that rotates when pushed by water, wind, or steam
  4. 8. regions where a magnetic
  5. 9. the interactions between electric charges and magnets
  6. 12. generation of an electric current by changing magnetic field
  7. 13. a region of space that surrounds a magnet and exerts a force on other magnets
  8. 14. scientists believe that metals in Earth's ______ _____ have something to do with its magnetic field
  9. 15. a device that increases or decreases the voltage of an alternating current.
Down
  1. 2. a temporary magnet created when there is current in a wire coil
  2. 3. DC
  3. 5. a single wire wrapped into a cylindrical wire coil
  4. 6. groups of atoms with aligned magnetic poles
  5. 9. a device that changes electrical energy into mechanical energy
  6. 10. device that uses electromagnets to measure electric current
  7. 11. discovered connection between electricity and magnetism