Renewable and Nonrenewable Energy

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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 sunlight, wind, rain, tides, waves, and geothermal heat.

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What is nonrenewable energy?

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Nonrenewable energy comes from sources that will run out or will not be replenished in our lifetimes, such as fossil fuels (coal, oil, natural gas) and nuclear energy.

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What are fossil fuels?

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Fossil fuels are natural substances formed from the remains of ancient plants and animals, buried under layers of earth for millions of years, and include coal, oil, and natural gas.

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Why is wood considered a renewable resource?

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Wood is considered renewable because it can be replanted and regrown, making it a sustainable source of energy if managed properly.

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What is hydropower?

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Hydropower is energy derived from the movement of water, typically generated by dams that harness the flow of rivers.

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What is one disadvantage of using fossil fuels?

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One disadvantage of using fossil fuels is that they emit harmful greenhouse gases when burned, contributing to climate change.

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What does it mean to refine crude oil?

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To refine crude oil means to purify it through a process that separates and removes impurities, making it suitable for use as fuel.

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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 wind energy?

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Wind energy is energy obtained from the movement of air, typically captured by wind turbines to generate electricity.

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What is geothermal energy?

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Geothermal energy is heat energy generated and stored in the Earth, which can be used for heating and electricity generation.