Everyone enjoys making slime!!! Slime is an easy and fun way to teach about polymers and cross linking. This slime kit contains one liter of colorless, 4% polyvinyl alcohol - initially clear, but it can easily be colored using food dyes - and enough sodium tetraborate solution to cross-link with it. A preservative has been added to avoid the growth of unwanted creatures. Investigate a cross-linked polymer. If pulled slowly, it flows; if pulled quickly, it breaks; and if rolled into a ball, it bounces. Enough for more than 60 students to make a 1/2 ounce portion (~15 cc). Read more on our Blog - Make Slime, Gak, and Oobleck | Gross Science
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