ELECTRICITY-A Recap

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Across
  1. 3. The push or pressure in a circuit.
  2. 4. A complete path for electricity to flow.
  3. 6. A buildup of electric charge on an object.
  4. 8. A source of chemical energy that provides a voltage.
  5. 10. A device that changes electrical energy into movement.
  6. 11. A type of circuit where components are arranged in a single path.
  7. 14. A device that opens or closes a circuit.
  8. 15. The thin wire inside a light bulb that glows.
  9. 17. The flow of electric charge.
  10. 18. The unit used to measure electric current.
  11. 19. A material that allows electricity to pass through easily (e.g., copper).
Down
  1. 1. A machine that turns mechanical energy into electrical energy.
  2. 2. The unit used to measure electric power.
  3. 5. A particle in the nucleus of an atom with a positive charge.
  4. 7. A material that stops the flow of electricity (e.g., rubber).
  5. 9. The opposition to the flow of current.
  6. 12. The unit used to measure resistance.
  7. 13. A tiny particle with a negative charge that moves in a current.
  8. 15. A safety device that melts to break a circuit when the current is too high.
  9. 16. A device that converts electricity into light.