Human Uses of Energy

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What is a renewable energy source?

Back

An energy source that can be replenished naturally, such as solar, wind, or biomass.

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What is a nonrenewable energy source?

Back

An energy source that cannot be replenished in a short period of time, such as fossil fuels like coal, oil, and natural gas.

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What is biomass?

Back

Biomass is organic material that comes from plants and animals, and it can be used as a renewable energy source.

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What is petroleum?

Back

Petroleum is a nonrenewable fossil fuel used for energy, derived from ancient plants and animals.

Front

What is a fossil fuel?

Back

A substance produced by pressure and decaying plants and animals that is used for energy.

Front

What is the main difference between renewable and nonrenewable energy sources?

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Renewable energy sources can be replenished naturally, while nonrenewable energy sources are finite and will eventually run out.

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What is hydropower?

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Hydropower is energy generated from the movement of water, typically using dams.

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What is solar energy?

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Solar energy is energy harnessed from the sun's rays, which can be converted into electricity or heat.

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What is geothermal energy?

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Geothermal energy is heat energy generated and stored in the Earth, often used for heating and electricity.

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What is nuclear energy?

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Nuclear energy is energy released during nuclear fission or fusion, often used in power plants.