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