Electricity

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Across
  1. 1. Material that lets electricity flow through it easily
  2. 3. Electrical current that flows in only one direction
  3. 4. A circuit with more than one branch for electricity to flow through
  4. 7. Material that does not let electricity flow or transfer through it easily
  5. 10. Measures electrical pressure
  6. 11. The route an electrical current flows through that has the same beginning and ending
  7. 12. Flow of electrons that creates an electric current
  8. 14. Electrical current that consistently alternates
  9. 17. An open circuit that has only one path for electricity to flow
  10. 18. Electric charge that has built up on a person or object through friction
Down
  1. 2. In electrons, the absence of flow through with the electric current
  2. 5. Electric spark discharged into the atmosphere
  3. 6. A subatomic particle with a negative charge
  4. 8. Measures electrical current
  5. 9. Measures electrical resistance
  6. 13. Electric current with an uninterrupted endless path for the flow of the current
  7. 15. Flow of electricity through a conductor
  8. 16. Measures how hard it is for electricity to pass through an object