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    NASA
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    Use this model to demonstrate the goal of NASA's Kepler Mission: to find extrasolar planets through the transit method. The model uses legos to represent the planet system, a light to...

    Over $20 per group Ages 11 - 18 10 to 30 minutes
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    The Exploratorium
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    In this geology activity learners build a "squeeze box," which allows them to compress layers of sediment. This is a great way to investigate folding and faulting in the Earth. The...

    $10 - $20 per group Ages 8 - 18 5 to 10 minutes
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    NOAA
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    In this 7-10 day investigation, learners develop an understanding of waves and tides and their motion through discussion, demonstration, and hands-on activities. Learners demonstrate wave motion in...

    $1 - $5 per group Ages 11 - 14 1 to 4 weeks
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    The Exploratorium
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    This activity guide includes instructions on how to build a "Shake Table" by mounting an eccentric mass (off center) on the shaft of a small dc motor. Learners use this table to simulate...

    Over $20 per group Ages 11 - 18 45 to 60 minutes
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    Twin Cities Public Television
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    In this activity (on page 1 of the PDF under SciGirls Activity: Earthquakes), learners will use a magnifier to carefully examine samples of sand from different locations. They record their...

    $5 - $10 per group Ages 8 - 14 45 to 60 minutes
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    Lawrence Hall of Science
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    In this outdoor activity, learners investigate the relationship between the slope of a trail and soil erosion. Using both math and science skills, learners gain awareness of how human activities...

    $10 - $20 per group Ages 8 - 18 45 to 60 minutes
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    Pratt School of Engineering, Duke University
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    Historically, sea floor mapping (bathymetry) was done by soundings. Soundings are taken by dropping a weight with a pre-measured rope off the side of the boat and noting the measurement on the rope...

    $1 - $5 per group Ages 11 - 14 2 to 4 hours
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    University of Utah
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    In this laboratory experiment, learners explore how effectively different sunscreens protect yeast cells from damage caused by ultraviolet (UV) radiation. Learners may compare differing SPFs of the...

    Over $20 per group Ages 8 - adult 1 to 2 hours
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    NASA
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    In this activity, learners evaluate the potential performance of air rockets placed inside a wind tunnel. Learners measure the rocket's resistance to the flow of air in the tunnel and use the...

    Over $20 per group Ages 8 - 18 45 to 60 minutes
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    University of Wisconsin-Madison
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    In this activity, learners turn empty 2-liter bottles into a see-through compost container. Through the sides of the bottle, learners make weekly observations of decomposition over the course of...

    $1 - $5 per student Ages 4 - 14 1 to 12 months

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