Energy Sources

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What is nuclear energy?

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Nuclear energy is the energy released during the splitting of uranium atoms, a process known as nuclear fission.

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What are nonrenewable energy sources?

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Nonrenewable energy sources are energy resources that take millions of years to form from the remains of plants and animals, such as coal, oil, and natural gas.

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What is geothermal energy?

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Geothermal energy is heat harnessed from deep beneath Earth's surface and converted into usable energy.

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What percentage of the total energy used in the United States in 2009 came from fossil fuels?

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83% of the total energy used in the United States in 2009 came from fossil fuels.

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What is biomass?

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Biomass is biological material, such as plant material or animal waste, that is converted into a usable energy source.

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What is renewable energy?

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Renewable energy is energy that comes from resources that are naturally replenished, such as solar, wind, and hydro power.

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What is the main advantage of using renewable energy sources?

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The main advantage of using renewable energy sources is that they are sustainable and have a lower environmental impact compared to nonrenewable sources.

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What is the process of converting sunlight into energy called?

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The process of converting sunlight into energy is called photosynthesis in plants, and solar energy conversion in technology.

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What is wind energy?

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Wind energy is the energy obtained from the movement of air, which can be converted into electricity using wind turbines.

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What is hydropower?

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Hydropower is energy derived from the movement of water, typically harnessed through dams to generate electricity.