An interactive on [https://interactives.ck12.org/simulations/physics/trampoline/app/index.html?hash=861f9de4d3b631b96a5329e557ea754f&source=ck12&artifactID=1732570&backUrl=https%3A//www.ck12.org/c/physical-science/forms-of-energy/%23simulations&referrer=concept_details 'How are potential energy and kinetic energy exchanged?]' by cK-12 exploration series