Heat is a form of energy. The heat energy from the water makes the water molecules in the hot water move faster than the water molecules in the cold water. The faster moving molecules in the hot water ...

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 ...