My favorite kind of kids' DIYs are the ones that involve both loads of fun and a science lesson as well. That's why these kinetic cars are so fantastic: you build a vehicle you can race, all while teaching your kids about potential and kinetic energy.
Leslie from Pink Stripey Socks got this idea from an old kids' science book. These cars can be made with recycled goods that you probably already have around your house. The fun comes when you start learning about the science behind how these cars move. Twisting the can around and around stores up potential energy, and when you release it, the can twists the other way and pushes the car along. Kids can decorate their car and even the can any way they like.
Now, all you scientists out there, please correct my potentially faulty memory of 11th grade physics.
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