One of the most important types of energy on Earth is heat energy. Heat energy is always being moved from one material to another.  Heat energy always moves from the hotter material to the colder material.  When you hold ice, it might feel like the coldness is moving up your hand, but it’s actually the other way around—the heat of your body moves to the ice, which results in the ice melting.

A great deal of heat energy comes from the Sun’s light hitting Earth.

Other sources include:

Jiko (charcoal burner

Gas cooker

Ethanol cooker

Kerosene Stove

Three stones

Are there any other sources that we may have left out? Share in the comments below.