Difference between revisions of "Hydroelectric"
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| − | | style="height:20px; width:200px; text-align:center;" |A [[diagram]] of a [[ | + | | style="height:20px; width:200px; text-align:center;" |A [[diagram]] of a [[hydroelectric]] dam. |
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: 1. Water flowing down a river is held back by a dam making a large reservoir. | : 1. Water flowing down a river is held back by a dam making a large reservoir. | ||
Revision as of 07:46, 9 October 2018
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 hydroelectric dam. |
- 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.