Science Project Summary:

How to create a heat engine with the help of magnetism

Advanced 7
Difficulty: Advanced 7
Required Skills: None
Safety concerns: None
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Abstract:
I originally built this toy using a Canadian nickel coin. Canadian nickels are made of pure nickel, unlike U.S. nickels, which contain so much copper that they are not magnetic. You can build the toy with the nickel or with the Radio Shack rare-earth magnet.