Puzzle One Basics

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Across
  1. 2. keeps each electron tightly in place
  2. 5. used very often as a conductor
  3. 7. instrument for measuring current flow
  4. 9. electrically operated switch
  5. 12. positive charges
  6. 14. semiconductor that produces light from electricity
  7. 16. subatomic particle without an electrical charge
  8. 17. inventor of the phonograph and light bulb
  9. 18. potential difference
Down
  1. 1. device that allows current flow in one direction
  2. 2. also called coil or choke
  3. 3. stores electrical energy
  4. 4. surrounded by one or more electrons
  5. 6. converts chemical energy into electrical energy
  6. 8. temporary artificial magnet
  7. 10. construction base for prototyping electronics
  8. 11. the amount of charge that flows
  9. 13. negative charges
  10. 15. reduces the flow of current