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    The Exploratorium
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    In this activity, learners simulate the process of DNA fingerprinting by using electricity to separate colored dyes. Learners use simple materials to assemble a comb (electrophoresis chamber) to...

    Over $20 per group Ages 11 - 18 1 to 2 hours
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    Children's Museum Of Houston
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    In this activity, learners create a gelatinous slime using guar gum powder and borax. Educators can use this simple activity to introduce learners to colloids. This activity page features a fun how...

    $10 - $20 per group Ages 6 - 18 30 to 45 minutes
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    Oregon Museum of Science and Industry
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    Learners add drops of alginate solution to a solution of calcium chloride. The alginate does not mix with the calcium chloride, but forms soft gel beads. After rinsing off the beads, learners are...

    Ages 8 - adult 5 to 10 minutes
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    Twin Cities Public Television
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    This is an activity (located on page 3 of the PDF) about self-assembly, the ability of molecules to assemble themselves according to certain rules. Learners will use food-grade components to create...

    $10 - $20 per group Ages 8 - 14 1 to 2 hours