This classic device is used to demonstrate the conservation of mechanical energy. When the wheel is rotated by hand to the top and released, its potential energy will turn into kinetic energy (rotation) as it falls. After the wheel reaches its bottom position, the kinetic energy will change back to potential energy when it moves up again. This process will continue on until the total energy is lost due to friction.
This smaller model makes a great desk toy, and is ideal for basic classroom physics demonstrations.
Build your own windmill generator kit by recycling a plastic bottle!
Buy Newton's Cradle or balance balls here! This classic science desk toy that will keep you amused and teach you physics.
Discover how solar cells make electricity with this awesome kit!
Build a robot that's an artist too!
Ever wonder how to survive in the wilderness? These cards can help!
You don’t think recycling is cool? Get a look at this, we’re sure you’ll change your mind!
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