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    American Chemical Society
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    In this activity, learners try to revive wilted celery. Learners discover that plants wilt when their cells lose water through evaporation. Use this activity to introduce capillary action.

    $1 - $5 per group Ages 4 - 11 4 to 24 hours
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    University of Washington
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    In this activity about olfaction (7th activity on the page), learners use natural ingredients to concoct their own perfume. This resource contains three different perfume recipes and a link to...

    $1 - $5 per group Ages 8 - 18 4 to 24 hours
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    University of Southern Mississippi
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    In this activity, learners discover how gelatin can be used as a medium for drug delivery. Learners create colored gelatin and then cut out pieces of the gelatin to simulate medicine (pills)....

    $1 - $5 per group Ages 8 - 18 4 to 24 hours
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    New York Hall of Science
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    This is a fun activity about the power of the Sun and the importance of using sunscreen to protect your sensitive skin from its rays. Learners will hang apple rings in the Sun and monitor changes...

    $1 - $5 per student Ages 4 - 11 4 to 24 hours
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    Lawrence Hall of Science
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    Learners discover the bubble power of living cells in this multi-hour experiment with baker's yeast. Learners make a living yeast/water solution in a bottle, and add table sugar to feed the...

    $1 - $5 per group Ages 6 - 14 4 to 24 hours
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    Omaha's Henry Doorly Zoo
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    In this activity, learners explore the concept of permeability to better understand why amphibians are extremely sensitive to pollution. Learners soak one regular hard-boiled egg and one peeled...

    1 cent - $1 per group Ages 4 - 14 4 to 24 hours
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    Omaha's Henry Doorly Zoo
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    In this activity, learners compare frog eggs to chicken eggs to better understand why frog eggs need water. Learners compare a boiled chicken egg to "frog eggs" represented by boiled...

    $1 - $5 per student Ages 4 - 14 4 to 24 hours
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    American Museum of Natural History
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    Learners grow sugar crystals (rock candy). They make a hot solution that has an excess of sugar dissolved in it, then as the solution cools, they see sugar crystals form. Learners can use food...

    $1 - $5 per student Ages 6 - 11 4 to 24 hours
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    Perkins School for the Blind
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    This activity was designed for blind learners, but all types of learners can explore the process used to cast and mold molten metal, glass, and plastics. Using gelatin, the learner will work with a...

    $10 - $20 per group Ages 8 - 18 4 to 24 hours
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    National Health Museum
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    In this activity, learners cut wells in JELL-O© and load the wells with different detergent solutions. With this simple digest, they observe that many, but not all detergents contain an active...

    $1 - $5 per student Ages 11 - 18 4 to 24 hours

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