Natural Resources

• The main sources of energy today are gasoline, coal, and natural gas. They were formed millions of years ago from plants and animals and are usually extracted from deep underground.

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• These are sources of energy that can be easily replenished. They include wind, sunlight, waves, and earth's heat, also known as geothermal energy.

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• Sources of energy that can't be easily replenished are coal, oil, and natural gas.

• It has the ability to make things happen, or more formally, it has the ability to do work.

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• Changes energy from one form to another.

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Engine:

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What is Coal?

• A machine that converts chemical energy from burning fuel to motion

• It makes things happen! (Or more formally: the ability to do work)

• A solid fossil fuel that can be burned for energy

• Changes energy from one form to another

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Oil

• A gas that can be burned for energy. It is often used to heat our homes and stoves.

• A liquid fossil fuel that can be burned for energy. It is often used to make gasoline and plastics.

• Changes energy from one form to another.

• It makes things happen!

• A gas that can be burned for energy. It is often used to heat our homes and stoves.

• A liquid renewable fuel made from plants like corn.