Year 9: Electricity

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Across
  1. 4. a circuit with only one loop
  2. 8. type of current in mains electricity
  3. 10. the rate of energy transfer in a circuit
  4. 12. the flow of charge around a circuit
  5. 13. a circuit with more than one path
  6. 14. two or more cells joined together
  7. 15. a unit of power equal to 1000 watts
  8. 17. how much a component opposes current
  9. 18. a tiny particle that carries negative charge
Down
  1. 1. a device used to measure voltage
  2. 2. the amount of work done or electricity used
  3. 3. a safety device that melts if current is too high
  4. 5. a device that opens or closes a circuit
  5. 6. a material that allows charge to flow
  6. 7. type of current batteries provide
  7. 8. a device used to measure current
  8. 9. a material that does not allow charge to flow
  9. 11. the push that makes charge move in a circuit
  10. 15. a unit of energy used by electricity companies
  11. 16. a complete loop that allows current to flow