Clara Moskowitz . (August 5, 2014). Fact or Fiction?: Energy Can Neither Be Created Nor Destroyed. Retrieved May 31, 2020 from https://www.scientificamerican.com/article/energy-can-neither-be-created-nor-destroyed/
Khan Academy . (Unknown). What is conservation of energy?. Retrieved May 31, 2020 from https://www.khanacademy.org/science/physics/work-and-energy/work-and-energy-tutorial/a/what-is-conservation-of-energy
Kathleen Martell. (Unknown). There are many forms of energy: like solar, wind, wave and thermal to name a few, but the 6 Forms of Energy we study in Needham are: Sound, Chemical, Radiant, Electric, Atomic and Mechanical. Retrieved May 31, 2020 from http://www2.needham.k12.ma.us/eliot/technology/lessons/energy/6_forms.html
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