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Product Information

Affordable, Easy, Fun

Present these demonstrations in front of your class to excite your students about learning core physics concepts. Set up and execution are simple, so you can spend more time engaging your students. Ideal for introducing a unit or using as reinforcement after a lesson, these demos are available for all fundamental physical science topics.

It's much easier to see the science behind these eddy tubes, because the magnet is on the outside! The Racing Rings feature three 12" rods that are 1/2" diameter; one each of copper, aluminum and PVC. When a Neodymium ring magnet is dropped down the PVC rod, it falls unobstructed. When the rings are sent down either of the metal rods, they experience a slower fall. The two metal rods create an induced magnetic field to that adds resistance to the rings' travel. Since the metals are different, they fall at different rates. For some extra fun, place the metal rods in a freezer for an hour and the rings will fall about 18%-27% slower.

Includes a wooden base, PVC, copper, aluminum rod, two neodymium ring magnets, and a demonstration guide.


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