Energy M.R.S.G.C.H.E.N Mechanical energy is the sum of potential and kinetic energy Radiant energy is the energy of electromagnetic radiation. The stereo makes sound energy When you stand on something tall and drop a ball, the ball will stand straight down, therefore gravity. Fire is chemical energy. When you use a flammable liquid, it has chemicals in it, setting fire to the wood or coal The lava is heated Lightning electrify things. BOOM!!!! nuclear bomb is...well.......NUCLEAR!