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A hydro dam is an amazing structure that makes electricity from water!
Firstly you build a dam to block the river.Water then builds up the dam.This is called they reservoir.
It then goes through the intake then goes through penstock.
Then this this makes electricity,which is stored in the generator.
The water goes to the turbine and it spins very fast.
Then it makes electricity which is stored in the generator.
The electricity then travels through the power lines to houses and cities.
Hydropower is great because it is renewable.
