Energy Sources and Fuels

Front

What is coal?

Back

A solid fossil fuel that is burned to transfer energy.

Front

What is a fossil fuel?

Back

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

Front

What is natural gas?

Back

A fossil fuel gas that is burned for energy.

Front

What is nuclear fuel?

Back

An energy source made from unstable elements, such as uranium.

Front

What is petroleum?

Back

A liquid fossil fuel that can be burned to transfer energy.

Front

What is uranium?

Back

An unstable element used by humans as an energy source.

Front

fossil fuels

Back

much of the energy people use come from __

Front

coal, petroleum, natural gas

Back

3 main fossil fuels

Front

combustion

Back

fuels mix with oxygen

Front

combustion

Back

releases heat and light