Mains Electricity

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Across
  1. 1. These are structures that support electrical wires and they are part of the National Grid.
  2. 5. Electricity is _______ at a coal-fired power station.
  3. 9. A step-down ___________ decreases voltage to make electricity safe for us to use.
  4. 10. A power _______ is a place where electricity is generated.
  5. 11. The national _____ is a network of pylons and cables that distribute electricity throughout South Africa.
  6. 12. Fuels formed millions of years ago that cannot be replaced.
Down
  1. 2. All energy on Earth originates here.
  2. 3. A fossil fuel that is burnt to generate electricity.
  3. 4. The form of energy released when coal is burnt.
  4. 6. The form of energy that is generated at a power station.
  5. 7. This is increased at a step-up transformer.
  6. 8. Steam makes this spin.