How do we use the heat of the earth for energy?



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    We use the heat of the earth for energy in a way called geothermal energy.  The idea is that the core of the earth is hot and in certain places the earth surface is hot as well.  Rain water flows down into these parts of the crust that are hot and create steam and pressure which in most cases become trapped.  As a result, geothermal reservoirs are created.  These reservoirs are then harnessed by power plants in a variety of ways.  One of the simpler ways is to use the steam to spin a turbine to create energy and send the condensed water back down into the ground.  

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