- Chemical energy: Energy stored in foods, you eat and in fuels like wood and gasoline
- Electrical energy: Energy that moves through wires only when the wires are part of an electric circuit
- Energy: Ability to do work and cause change in matter
- Heat energy: Energy is generated from the constant motion of particles in matter and is transferred between substances that are at different temperatures
- Solar energy: Energy from the sun that heats the Earth's surface and water