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Abstract art? No, the result of an overnight acid-rain simulation experiment inadvertently left for three months due to COVID-19 closing schools. This plastic cup originally contained a leaf, a penny, and a paperclip in some vinegar. “Not the intended lesson,” says high school chemistry teacher Sam Falk, “but the crystals are really cool!”
Submitted by Sam Falk, Arlington High School in LaGrangeville, New York
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