energy and electricity

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Across
  1. 2. A buildup of charges on an object.
  2. 4. A material that does not allow heat or electrons to move through it easily.
  3. 8. A safety device with a thin metal strip that will melt if too much current passes through a circuit
  4. 9. stored energy
  5. 13. Devices that apply resistance to a circuit to manage current
  6. 14. The transfer of thermal energy by the circulation or movement of a liquid or gas
  7. 15. energy stored in the nucleus of an atom
  8. 17. the area around a magnet
  9. 18. the ability to do work
  10. 19. energy of motion
  11. 20. unit of power
Down
  1. 1. The potential difference measured in volts. The amount of work to be done to move a charge from one point to another along an electric circuit.
  2. 3. A flow of electric charge that regularly reverses its direction.
  3. 5. V=IR
  4. 6. A material that allows heat and electricity to pass through it.
  5. 7. heat energy
  6. 10. energy from the sun
  7. 11. the unit for measuring electrical current; the abbreviation is amp.
  8. 12. A material that allows heat and electricity to pass through it.
  9. 16. The movement or flow of electricity through a conductor.