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Energy - Coggle Diagram
Energy
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non renowable
• Non-renewable energy comes from sources that will be depleted or not replenished in our lives, or even in many, many lives.
oil
• Oil is a liquid fossil fuel. Also called oil or crude oil. Oil is trapped in underground rock formations. In some places, oil bubbles come out of the ground.
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natural gas
• Natural gas is another fossil fuel that is trapped underground in deposits. It is mainly composed of methane.
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coal
Coal is a black or brownish rock. We burn coal to create energy. Coal is classified according to the amount of "charring" it has undergone.
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nuclar power
Nuclear power is generally considered another non-renewable energy source. Although nuclear power itself is a renewable energy source,
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