Physics: CH 20 vocab1

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Across
  1. 3. Causes protons and/or electrons to attract or repel each other
  2. 4. current Continuous flow of electric charge
  3. 5. neutral charged subatomic particle
  4. 7. Other name for potential difference
  5. 8. positively charged subatomic particle
  6. 9. Device in which it converts chemical energy into electrical energy
  7. 11. opposite electric forces
  8. 13. Transfer of charge without contact between materials
  9. 17. Transfer of charge without contact between materials
  10. 18. difference in potential energy between two places in an electric field
  11. 19. same electric charges
Down
  1. 1. Material with almost no resistance when cooled to low temperatures
  2. 2. movement of this particle is responsible for electric current
  3. 6. Opposition of the flow of electric current in a material
  4. 10. current Flow of charge that changes direction
  5. 12. law that describes how distance and charge strength is related to electric force
  6. 14. Material through which charge flows easily
  7. 15. current The flow of the charge in one direction
  8. 16. Coating around wire that keeps current controlled and keeps it where it is needed