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Product Information "Rust never sleeps..." - Neil Young This visually striking lab clearly illustrates the processes of rusting, corrosion and cathode inhibition. Iron metal will rust in the presence of air and water, a process that accelerates in ocean water. Yet, in the presence of another metal (such as magnesium) the nails will not rust for a very long time as the magnesium sacrifices itself by supplying electrons to the iron nail. Eventually the magnesium will vanish, and a white solid will form on the bottom of the petri dish. Developed by Ray Steigvilas. Grades 7-12. Includes: salt, nails, 30 disposible petri dishes, 5 lab scoops, masking tape, magnesium metal ribbon, instructions.  Tell a Friend about this item
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