What Is Geothermal Energy? (wonderopolis - National Center for Families Learning (NCFL))
You're probably aware of some popular renewable energy sources, such as wind and hydroelectric power. Did you realize, though, that there's a source of renewable energy right underneath your feet? What are we talking about? Geothermal energy, of course!
Those who research and develop geothermal energy seek to tap these sources of heat inside the Earth to both heat homes directly and generate electricity. Since the inside of the Earth keeps producing heat, geothermal energy is a renewable energy source that can be relied upon for the foreseeable future.
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