Across
- 4. The number of joules of energy an appliance transfers every second.
- 5. A fuel made from plants or from animal droppings.
- 7. Electricity at 230 V provided to houses, shops, etc.
- 8. A way of saying how much electrical energy is available.
- 9. The flow of electrons around a circuit.
- 11. System of overhead and underground cables that carry electricity around the country.
- 12. The unit for measuring power.
- 13. A component that makes it more difficult for current to flow.
- 15. The label on an appliance that tells us how much electrical power it transfers.
- 17. Electricity made when falling water (usually from a reservoir) turns turbines and generators.
- 18. The unit for measuring current.
- 19. Equipment that measures how much current is flowing around a circuit.
- 20. An electrical circuit made of one loop and the same current goes passes through all the components connected.
Down
- 1. An energy resource that will never run out (e.g. solar power).
- 2. Something in a circuit, like a bulb, switch or motor.
- 3. Large coil of wire with a magnet inside. When the magnet is turned, electricity is produced in the coil of wire.
- 6. Tiny negative particles that flow through wires a circuit.
- 8. The unit for voltage.
- 10. An electrical circuit with more than one loop, and every component gets the same voltage
- 14. A machine that is turned by a moving liquid or gas. Turbines are used to turn generators in power stations.
- 16. Equipment that measures voltage.
