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    Science Friday
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    In this activity, learners experiment with creating various types of bubble solutions and testing which ingredients form longer-lasting bubbles. Learners investigate how surface tension works and...

    $10 - $20 per student Ages 11 - 14 45 to 60 minutes
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    Lunar and Planetary Institute
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    In this demonstration, learners compare the relative sizes and masses of scale models of the planets as represented by fruits and other foods. Learners dunk the "planets" in water to...

    $10 - $20 per group Ages 8 - 14 30 to 45 minutes
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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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    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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    COSI
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    In this activity, learners make a solar oven. Learners witness the awesome power of the sun to make a yummy treat--a chocolate chip cookie!

    $10 - $20 per group Ages 6 - 11 30 to 45 minutes
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    Make
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    In this activity, learners make a small batch of biodiesel that will work in any diesel engine. Learners use an old juice bottle as a "reactor" vessel to chemically process vegetable oil...

    $10 - $20 per group Ages 14 - adult 1 to 7 days
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    Children's Museum Of Houston
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    In this activity, learners explore water pressure by conducting an experiment with a garden hose. Learners build a testing apparatus and create PVC nozzles with different sized holes. During the...

    $10 - $20 per group Ages 8 - 14 45 to 60 minutes
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    New York Hall of Science
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    This is a hands-on activity about the physics of tennis. Learners will discover that physics plays a big part in tennis, no matter what their skill level might be. The activity has learners...

    $10 - $20 per student Ages 8 - 14 30 to 45 minutes
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    WGBH
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    In this design challenge activity, learners invent an emergency shelter that can fit a person and is sturdy and quick to build. Learners think about a familiar shape in new ways, brainstorm shelter...

    $10 - $20 per group Ages 8 - 14 30 to 45 minutes
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    IEEE
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    In this activity, learners explore how engineers have improved roofing designs and materials in order to protect the contents of buildings. Learners explore the hydrophobic effect, and learn about...

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

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