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These boys are about to demonstrate osmosis with gummy bears. / G&J Fey/iStock via Getty Images Parents and teachers across the internet have found fun ways to teach kids science, and have documented the experiments for the rest of us. Here are 15 hands-on science lessons that will stick in a kidâs brain far longer than anything they get from a textbook. 1. Make a lemon-scented volcanoFun Quotient
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