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    Twin Cities Public Television
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    This outdoor activity (on page 2 of the PDF under SciGirls Activity: Sand Dunes) is a full inquiry investigation into how the amount of moisture in a sand dune relates to the number of plants...

    $10 - $20 per group Ages 8 - 14 2 to 4 hours
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    Twin Cities Public Television
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    This activity (on page 2 of the PDF under SciGirls Activity: Doghouse Design) is a full inquiry investigation into absorption and reflection of radiant energy. In order to build a house that keeps...

    $10 - $20 per group Ages 8 - 14 2 to 4 hours
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    GreenLearning Canada
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    Learners follow directions to construct a solar oven that really cooks! The solar oven uses aluminum foil to reflect sunlight into a cooking chamber, which is painted black. The black surface...

    $10 - $20 per group Ages 11 - 18 2 to 4 hours
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    New York Hall of Science
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    This lesson challenges groups of learners to design and construct a wind generator with the most electrical output. The lesson focuses on the engineering design process and how it is used to...

    $10 - $20 per group Ages 11 - 14 2 to 4 hours
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    Howard Hughes Medical Institute
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    This guided inquiry three-part activity engages learners in thinking about the mechanism of natural selection by encouraging them to formulate questions that can be answered through scientific...

    $10 - $20 per group Ages 11 - 18 2 to 4 hours
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    Twin Cities Public Television
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    This is an activity (located on page 3 of the PDF under Water Clean-up Activity) about the use of reduction agents to decontaminate ground water. Learners will conduct a reduction-oxidation (redox)...

    $10 - $20 per group Ages 8 - 14 2 to 4 hours

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