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    Science Museum of Minnesota
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    Use grape juice, baking soda, water and vinegar to make acid and base indicator paper! This activity contains a recipe and instructions for the indicator paper. Once made, you can see the indicator...

    1 cent - $1 per student Ages 4 - 11 10 to 30 minutes
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    Lawrence Hall of Science
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    Using a milk-based recipe, learners create "moo glue" which is basically white school-type glue. The "secret ingredient" in milk that helps make glue is a chemical called casein...

    $1 - $5 per group Ages 6 - 14 30 to 45 minutes

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