crossword puzzle

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12345678910
Across
  1. 2. – Type of charge with a minus sign.
  2. 4. – A device that opens or closes a circuit.
  3. 6. – Electrical potential difference.
  4. 9. – Type of charge with a plus sign.
  5. 10. – Flow of electric charge.
Down
  1. 1. – Material that allows electricity to flow.
  2. 3. – A material that resists the flow of electricity.
  3. 5. – Stores chemical energy for electrical use.
  4. 7. – The rate of doing electrical work.
  5. 8. – Makes things visible.