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    Lawrence Hall of Science
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    In this activity learners create patterns of hair beads. Simone and Brianna like different mixes of beads in their braids, so learners must figure out how to distribute 40 beads to satisfy both...

    1 cent - $1 per group Ages 4 - 11 30 to 45 minutes
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    American Association for the Advancement of Science
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    Learners classify a variety of objects by their characteristics. They then design an experiment to determine which objects float or sink in water and add this characteristic to their classification...

    $5 - $10 per group Ages 8 - 11 45 to 60 minutes
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    NASA
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    In this activity, learners explore the relative size of the Sun and Earth as well as the distance between them. Learners estimate the size of the Sun and Earth and then use scaled models to...

    1 cent - $1 per group Ages 6 - 18 5 to 10 minutes
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    The University of Texas McDonald Observatory
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    In this activity, learners explore the relative sizes and distances of objects in the solar system. Without being informed of the expected product, learners will make a Play-doh model of the Earth...

    $1 - $5 per group Ages 8 - 18 30 to 45 minutes
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    Twin Cities Public Television
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    This activity (on page 2 of the PDF under SciGirls Activity: Tug O' War) is a full inquiry investigation into tug-of-war physics. Groups of learners will test two tug-of-war strategies. Which...

    $10 - $20 per group Ages 8 - 14 2 to 4 hours
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    Twin Cities Public Television
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    This is an activity (on page 2 of the PDF under Surface Area Activity) about surface area to volume ratio. Learners will bake sugar cookies, testing how much colored sugar is rolled up by 1 large...

    $10 - $20 per group Ages 8 - 14 30 to 45 minutes
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    The Exploratorium
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    In this activity, learners build a tool called an inclinometer that can find the height of any distant object, from a tree to the North Star. Measure the angle of an object with the inclinometer,...

    $1 - $5 per student Ages 8 - 18 10 to 30 minutes