The heat from geothermal water, for instance can be conducted through metal plates or pipes to heat other water for district heating systems or a second organic liquid for use in binary power plants. See Plate Tectonics. These motions are thought to be party of the dynamic geologic processes that drive the movement of crustal plates. Earth's crust insulates us from the hot interior. A factory in in Nevada, for example uses geothermal heat to dehydrate onions and garlic for restaurants.
Objects are smaller when they are cold, larger when hot.
In geothermal district heating systems, one or more wells can serve entire districts. Electrons may be freed from atoms to produce an electric current. One of the many examples are heat energy being converted into mechanical energy, and then mechanical energy into electrical energy, as is done in steam-driven electric power plants. Energy resources are often classified as renewable or non-renewable. Energy can take many forms, including electrical, chemical, radiant, mechanical and heat.