Last week we pivoted in science from a focus through a series of lessons on how engineers solve problems to deeper work on the nature of science and how scientists think and work. Mrs. Swanson took the group through a demonstration that involved catalyzing the breakdown of hydrogen peroxide. The result of the very exciting demonstration was that a huge swath of thick foam poured out of the graduated cylinder, and the timely addition of food coloring made the foam look like large toothpaste, or “Elephant Toothpaste."
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