Energy is having the capacity to preform work. The unit of measurement used to measure energy is called a Joule (J). When something is at rest that energy us stored in a form of energy called potential. When something or someone is moving that energy shifts to something called kinetic energy. So, if you have a bottle of ketchup on the table it has a whole bunch of stored energy. If that bottle were to begin to fall off the table, it would shift to kinetic energy.
Potential energy can be established by gravity. The rate at which gravity pulls something to the Earth create that energy. Objects that are elastic store energy as well. Springs, bows, rubber bands, and slingshots are examples of this. Potential energy can also be present in electric, nuclear and chemical forms as well. These worksheets will examine all these different forms of energy and how humans harvest this energy and use it to their benefit.