Use two hands on STEM activities to allow students to investigate the energy transformations between potential and kinetic energy. Each activity allows the students to build a device that runs on stored energy in a rubber band. In the Wind up Racer, the students build their racer, wind them up to store potential energy, and let them so to see it change into kinetic energy. In the roll back can, the students build their cans, and then push them away from them. The can slowly comes to a stop and magically rolls back to the student. Each activity follows the Engineering design cycle allowing students to make a plan, build, and then test them out and revise as needed. Finally, after completing the activities, the students can complete a review worksheet about energy transformations.
4-PS3-4 Apply scientific ideas to design, test, and refine a device that converts energy from one form to another.