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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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    Cornell Center for Materials Research
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    In this activity, learners explore how composites work by creating and testing their own composite for an imaginary company. This activity shows learners that composites are simply materials that...

    $1 - $5 per student Ages 11 - 18 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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    COSI
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    In this environmental science activity (page 4 of the PDF), learners use vinegar and chalk to observe the effect of acid rain on various building materials and plant life. Learners will explore how...

    $1 - $5 per group Ages 6 - 14 4 to 24 hours
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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    Learners conduct a simple experiment to model and explore the harmful effects of acid rain (vinegar) on living (green leaf and eggshell) and non-living (paper clip) objects. Learners observe the...

    $1 - $5 per group Ages 8 - 14 4 to 24 hours
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    Mount Holyoke College
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    In this activity with several mini experiments, learners explore the chemistry that helps scientists learn about the environment and how they can help save it. Learners will determine if pollutants...

    $1 - $5 per group Ages 8 - 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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    American Chemical Society
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    In this activity, learners recrystallize substances from solutions and make observations about the resulting crystals. This test can help further identify the unknown. Two different methods for...

    $1 - $5 per group Ages 8 - 14 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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