The process by which the wind is used to generate mechanical power or electricity.
Wind energy
Is a form of renewable energy that uses the power of moving water to generate electricity.
Hydropower
Heat that comes from inside Earth. It is an alternative energy source that can be used for cooking, bathing, and heating.
Geothermal energy
It is the use of nuclear reactions to produce electricity.
Nuclear energy
Radiant energy emitted by the sun.
Solar energy
It is a smooth, thick liquid that is used as a fuel and for making the parts of machines.
Oil
