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 behind the dam.This is called the reservoir.
Water then goes through the intake,and down the penstock.Water hits the turbine and spins it very fast.
This makes electricity which is stored in the generator.The electricity then travels through the power lines to houses and cities. After the water has gone through the turbine, it rejoins the river.
A dam is an amazing idea because it can power up anything that has electricity. It can power up your car and any machine.It is also renewable.
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