Electricity and Magnetism

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Across
  1. 2. A material (normally very cold) with zero resistance
  2. 4. The flow of electrons through a material is called electric
  3. 7. Main source of electrical energy in the United States
  4. 9. A device that will open or close a circuit
  5. 10. An electric discharge from the sky to the ground during a storm
  6. 14. A safety device that break a circuit when too much current is flowing
  7. 15. A device that uses electricity to spin a magnet
  8. 16. The charge on an electron
  9. 17. Kind of electricity resulting from a build up of charged particles
  10. 19. Croatian who developed alternating current
  11. 20. A coil of wire that carries an electrical current
  12. 23. The charge on a proton
  13. 24. A circuit with only one path through which electrons flow
Down
  1. 1. A device that resists the flow of electricity in a circuit
  2. 3. A material that conducts electricity well
  3. 5. A device that can change voltage and current
  4. 6. A voltage supply used in flashlights and many toys
  5. 8. A path through which electric current flows
  6. 11. A circuit with more than one path through which electrons can flow
  7. 12. Electricity is the movement of ___________ through a conductor
  8. 13. A material that does not conduct electricity well
  9. 18. The unit that current is measured in
  10. 21. A safety device that break a circuit when too much current is flowing
  11. 22. A device that spins a magnet to generate electricity