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Geothermal energy works by using the heat created by the Earth and turning it into an energy source for people to use. This clean, renewable resource provides energy in the United States and around the world. More »

www.reference.com Science Earth Science Geology

Geothermal energy is derived from the heat naturally emitted from the Earth's interior. This form of energy may be harnessed from underground steam and water sources and heat from solid rock and magma. It is a renewable ... More »

www.reference.com Science Earth Science

Geothermal energy is created at the center of the Earth, around 4,000 miles below the surface, through hot spots in plate boundaries. These hot spots contain more energy than all the gas and oil resources in the world an... More »

www.reference.com Science Physics
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Geothermal power plants work by harnessing natural heat from Earth's interior to generate energy in the form of electricity. Geothermal energy is a renewable power source. The four types of geothermal power plant are bin... More »

www.reference.com Science Environmental Science

The primary heat source for the Earth is the radioactive decay of uranium, thorium and potassium, found in the mantle and crust. The Earth produces more heat through phase changes, such as the freezing of liquid iron in ... More »

www.reference.com Science Earth Science

The heat produced by geothermal energy is created by the interaction between the molten mantle of the Earth and the Earth's crust. When this heat breaks through the crust it erupts in the form of steam, water geysers or ... More »

www.reference.com Science Environmental Science

Geothermal energy is derived from the heat naturally emitted from the Earth's interior. This form of energy may be harnessed from underground steam and water sources and heat from solid rock and magma. It is a renewable ... More »

www.reference.com Science Earth Science