Heating a substance makes its atoms and molecules move faster. This happens whether the substance is a solid, a liquid, or a gas. It’s not easy to see it happen in a solid but let’s try it for a ...

These underground reservoirs of steam and hot water can be tapped to generate electricity or to heat and cool buildings directly. 4 min read Geothermal energy ... are three types of geothermal ...

Nuclear energy and chemical energy are other types of potential energy ... energy as heat and light energy. Heat from the Sun warms the Earth and all the things on it. Light from the sun can ...