Electricity

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Across
  1. 1. a type of electricity
  2. 5. the opposition offered by one thing or force
  3. 6. two lines that never meet
  4. 7. opposite of attract
  5. 8. electric potential energy per unit charge, measured in joules
  6. 10. occurs during thunderstorms
  7. 11. a material which conducts electricity
  8. 14. fossilised tree sap
  9. 15. created by Alessandro Volta in 1800
  10. 17. opposites .......
Down
  1. 2. a material which does not conduct electricity
  2. 3. heating, appliances, computers and the telephone run on ...........
  3. 4. hospitals have these incase of a blackout
  4. 6. discovered by Rutherford in 1911
  5. 9. discovered by J.J Thompson in 1904
  6. 11. an electrical network that has a closed loop giving a return path for the current
  7. 12. the ocean has a strong .......
  8. 13. symbol = Ω omega
  9. 14. basic unit of matter
  10. 16. TV shows come in ......
  11. 17. symbol = A