Homework

Chemical  Energy:

Energy liberated by a chemical reaction or absorbed in the formation of a chemical compound.

Electrical Enegy:

An electric current that reverses direction sinusoidally; "In the US most household current is AC at 60 cycles per second".

Heat energy:

Heat energy (or just heat) is a form of energy which transfers among particles in a substance (or system) by means of kinetic energy of those particle.

Kinectic Energy

Energy that a body possesses by virtue of being in motion.