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    TERC
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    In this activity, learners create a soil and water model of a single-cell life environment and study living microorganisms. Over a period of many days, learners observe the interaction of soil,...

    $5 - $10 per group Ages 8 - 18 1 to 7 days
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    Oregon Museum of Science and Industry
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    Learners explore how recyclers take advantage of the different properties of materials, such as magnetism and density, to separate them from a mixture. They use a magnet and floatation to separate...

    1 cent - $1 per group Ages 4 - 14 Under 5 minutes
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    Lawrence Hall of Science
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    In this outdoor activity, learners find out the color of food that jays prefer and then try to change the birds' preference by altering the taste of the food with salt. Learners consider how...

    $10 - $20 per group Ages 8 - 14 45 to 60 minutes
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    NASA
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    In this three-part activity, learners use food to determine the effects of wind, sandblasting and water on regolith (dust) formation and deposition on Earth. Then, learners simulate regolith...

    $1 - $5 per student Ages 8 - 18 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
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    APSnet
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    This exercise can be used to stimulate the investigative nature of learners as they use forensic plant pathology techniques to prove the learners' innocence in a mock murder investigation....

    1 cent - $1 per group Ages 11 - 18 45 to 60 minutes
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    BioEd
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    In this four-day activity, learners grow bacteria and/or fungi from a variety of locations and compare the results. They will learn that microbes are everywhere; some such as bacteria and fungi...

    $10 - $20 per group Ages 8 - 14 1 to 7 days
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    Lawrence Hall of Science
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    In this outdoor activity, learners dig for and collect isopods (sometimes known as "roly-poly bugs" or "potato bugs" and other names). Learners have fun discovering that there...

    $10 - $20 per group Ages 8 - 14 45 to 60 minutes
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    New York Hall of Science
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    In this activity, learners simulate the separation techniques that materials recovery facilities (MRFs) use and then design their own series of recycling techniques. Learners identify four ways...

    $1 - $5 per group Ages 11 - 14 1 to 2 hours
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    Oregon Museum of Science and Industry
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    Learners combine different plant solutions -- made from fruits, vegetables, and flowers -- with equal amounts of vinegar (acid), water (neutral), and ammonia (base). They compare the color changes...

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

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