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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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    Twin Cities Public Television
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    This activity (on page 2 of the PDF) is a full inquiry investigation into how a kite’s shape affects its performance. Groups of learners will select or construct kites of different shapes. Then,...

    Over $20 per group Ages 8 - 14 1 to 2 hours
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    NASA
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    In this activity, learners discover how NASA engineers develop experimental aircraft. Learners will use geometry and algebra to design, construct, and test an experimental wing to achieve maximum...

    $10 - $20 per group Ages 11 - 14 1 to 2 hours
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    University of California Museum of Paleontology
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    In this multi-station lab, learners conduct a series of experiments to explore the processes and effects of weathering and erosion. Using the results from these explorations, learners design and...

    $5 - $10 per group Ages 8 - 14 1 to 7 days
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    American Museum of Natural History
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    Learners observe two model atmospheres -- one with normal atmospheric composition and another with an elevated concentration of carbon dioxide. These two model atmospheres are exposed to light...

    $5 - $10 per group Ages 14 - 18 45 to 60 minutes
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    NASA
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    In this activity, learners work in NASA teams to build balloon-powered rockets using identical parts and compete to launch the greatest number of paper clips to "space" (the ceiling). The...

    $10 - $20 per group Ages 8 - 14 1 to 2 hours
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    NASA
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    In this activity, learners discover how geologists use stratigraphy, the study of layered rock, to understand the sequence of geological events. Learners use baking soda, vinegar, and different...

    $10 - $20 per group Ages 8 - 18 1 to 2 hours