This document discusses different forms of energy including light, heat, sound, electrical, solar, magnetic, chemical, nuclear, and mechanical energy. It defines potential energy as the energy possessed by an object due to its position or state of strain, and kinetic energy as the energy possessed by objects due to their motion. Examples are provided for potential energy such as water in a dam and a drawn bow, and for kinetic energy such as a moving ball and shot from a gun. Energy can be transferred between different forms but is never created or destroyed according to the law of conservation of energy.