My teacher wants us to make something about energy. for instance define kinetic energy. then we need to build something that represents it. in a past time i did volume and used a graduated cyclometer that i filled up with water and froze. this unit is energy, so anything that has to do with energy. give me a few ideas on what i can do as well as where i can find the supplies! before the weekend (first weekend in march) urgent! best idea will get brainest and a !