Potnetial & Kinetic Energy
Energy of objects that not is yet in use or stored energy.
Example- gasoline has energy waiting to combust and release energy
In the picture below the car is stationary. It has potential energy. If you would start the engine it would and have kinetic energy.
Energy in movement.
Example- a rolling rock
In this video you see the roller coaster moving. It has kinetic energy. It builds energy making it go faster.