Key Stage 3
Meaning
Hydroelectricity is an energy resource that uses the water flowing in rivers to generate electricity.
About Hydroelectricity
- Hydroelectricity is a renewable energy resource.
- Hydroelectricity has energy in the gravitational potential energy store of water that is flowing downhill.
Power
Hydroelectricity can be used to generate electricity.
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| A diagram of a coal power station. |
- 1. Water flowing down a river is held back by a dam making a large reservoir.
- 2. Some water is allowed through pipes to flow downhill.
- 3. This water turns a turbine as it falls.
- 4. The turbine causes a generator to spin.
- 5. The generator makes an electrical current.