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    COSI
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    In this combination chemistry and physics activity, learners explore water absorption in dried beans or peas and learn how this affects their physical properties. They observe changes in size, skin...

    $1 - $5 per student Ages 6 - 11 1 to 7 days
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    COSI
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    In this biology activity (page 8 of the PDF), learners will determine whether they are "tasters" or "non-tasters", test selected individuals from their families and peer group...

    $1 - $5 per student Ages 14 - 18 1 to 7 days
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    Oregon Museum of Science and Industry
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    Learners build models to learn about the special cells and structures that plants use to move water from their roots up through the stems and leaves. The celery-in-colored-water demonstration...

    $5 - $10 per group Ages 8 - 11 1 to 7 days
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    Lawrence Hall of Science
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    In this easy chemistry activity, learners submerge pennies in different liquids (water, lemon juice, vinegar, liquid hand soap, salt water, and baking soda mixed with water) to observe which best...

    $1 - $5 per group Ages 6 - 11 1 to 7 days
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    Lawrence Hall of Science
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    Learners make a "menu" of any plants in their lunch for Monday through Friday and draw the plants from their lunch. Plants can include fruits, vegetables, grains in cereal or bread, and...

    free Ages 6 - 11 1 to 7 days
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    University of Utah
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    In this activity, learners examine how brine shrimp populations can survive in some of the harshest environments. Learners subject brine shrimp cysts to extreme conditions to evaluate the hardiness...

    Over $20 per group Ages 11 - 18 1 to 7 days
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    The Exploratorium
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    In this activity, learners explore how different deodorants work. Learners treat agar plates with different types of deodorants and compare the bacteria growth on the plates to the control sample.

    $10 - $20 per student Ages 11 - 18 1 to 7 days
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    Biotechnology and Biological Sciences Research Council
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    In this activity (p.24 of PDF), learners make paper with fungi. Learners discover that paper is basically a flat mat of fibers. Although handmade paper is traditionally made with vegetable fibers,...

    $10 - $20 per group Ages 11 - 14 1 to 7 days
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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    Learners work in teams to design and build solar water heating devices that mimic those used in residences to capture energy in the form of solar radiation and convert it to thermal energy. This...

    $10 - $20 per group Ages 14 - 18 1 to 7 days
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    New Jersey Department of Education
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    In the wild, small crustaceans known as brine shrimp live in marine habitats such as saltwater lakes. In this activity, learners create a saltwater or marine ecosystem that becomes an experimental...

    $10 - $20 per group Ages 11 - 18 1 to 7 days

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