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    Smithsonian National Zoological Park
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    In this family or group activity, learners conduct a chromatography experiment to reveal the colors that leaves "hide" under their green pigments. Use this experiment to predict what...

    $1 - $5 per student Ages 6 - 14 45 to 60 minutes
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    Oregon Museum of Science and Industry
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    Learners compare the properties and solubilities of Styrofoam (TM), ecofoam packing peanuts, and popcorn. First, the solubility of each substance is tested in water. A drop of iodine is added to...

    1 cent - $1 per group Ages 11 - adult Under 5 minutes