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