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Exploring hydroelectricity plants in Snowdon, North Wales. A hydroelectricity plant is used to generate power from fast-flowing water. The steep slopes of Snowdon help the mountain streams to flow into the lakes below. The water is channelled from the lakes into large pipes. The fast-flowing water from the pipes travels down the mountain and passes through a turbine. The water turns the turbine and this generates electricity.
This clip is from:
First broadcast:
8 November 2007

Classroom Ideas

Children need to understand the different ways of creating sustainable electricity before watching this clip. Then they can write a report about the benefits of using hydroelectricity and the disadvantages. For example, do they like the pipes running down the mountain? They will need to conclude their report with their own opinion about using this form of electricity and whether they think it could be improved (eg by burying the pipes).