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    Lawrence Hall of Science
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    In this outdoor activity, learners discover how the environment around a building affects the growth of plants. Learners observe patterns of plant growth such as size, thickness, weeds, and damage...

    $1 - $5 per group Ages 6 - 18 30 to 45 minutes
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    University of Nebraska State Museum
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    In this activity (on pages 10-17), learners discover how scientists study biodiversity and the health of the environment based on inspection of small areas—a process known as sampling. Learners...

    $1 - $5 per group Ages 8 - 14 1 to 2 hours
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    Lawrence Hall of Science
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    In this outdoor, nighttime activity, learners gather around a brightly lit, white surface and study the behavior of nocturnal animals attracted to the light, particularly night fliers. Learners...

    $1 - $5 per group Ages 4 - 14 45 to 60 minutes
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    COSI
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    In this weather activity (page 10 of the PDF), learners will demonstrate the changes in atmospheric pressure by constructing their own barometer. Learners will explore the concept of barometric...

    $1 - $5 per student Ages 11 - 18 1 to 7 days
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    NASA
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    In this activity, learners build a sled kite that models a type of airfoil called a parawing. Learners keep a journal on the behavior of the kite and test different variables (tail, tail length,...

    $1 - $5 per student Ages 6 - 11 1 to 2 hours
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    Lunar and Planetary Institute
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    In this activity, learners measure the diameter of their water balloons, model an impact, measure the diameter of the “crater” area, and determine the ratio of impactor to crater. This activity is...

    $1 - $5 per group Ages 8 - 14 10 to 30 minutes
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    Center for Engineering Educational Outreach, Tufts University
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    Learners construct one or more of the following kinds of sundials: a shadow plot, a horizontal sundial, and a diptych sundial. They track the position of the sun during the course of a day, and use...

    $1 - $5 per student Ages 11 - 14 1 to 7 days
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    Carleton College
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    In this activity, learners use Styrofoam to collect organisms from a pond, estuary or marine environment and then examine what they have caught with a microscope. The tiny spaces in Styrofoam...

    $1 - $5 per group Ages 8 - 18 1 to 7 days
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    The University of Texas McDonald Observatory
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    In this activity, learners use the Sun's energy to cook marshmallows. Learners construct the solar oven out of simple everyday materials. They experiment to see how the color of the...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    Optical Society of America
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    In this optics activity, learners use a shoebox, colored cellophane and sunlight to "change" the colors of gumballs. Learners will be surprised when the green and blue gumballs appear...

    $1 - $5 per student Ages 6 - 11 10 to 30 minutes

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