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    American Museum of Natural History
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    In this experiment, learners work in teams to investigate how the color of a surface influences its ability to reflect light and therefore heat. The ratio of light reflected to that received is...

    $1 - $5 per group Ages 11 - 18 45 to 60 minutes
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    The Exploratorium
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    In this activity, learners discover that our hands are not reliable thermometers. Learners place their palms flat on various surfaces (metal, wood, glass, etc.) and compare how cold the surfaces...

    $1 - $5 per student Ages 8 - 14 10 to 30 minutes
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    New York Hall of Science
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    In this quick activity, learners break the tension that happens when water develops a "skin." Learners use water, pepper and some soap to discover the wonders of surface tension—the force...

    $1 - $5 per student Ages 6 - 11 5 to 10 minutes
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    New York Hall of Science
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    In this activity exploring liquid dynamics, learners design and build a clay channel in a tray of water and then see what happens when food coloring and liquid soap are added to the mix. The...

    $5 - $10 per group Ages 6 - 11 5 to 10 minutes
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    Twin Cities Public Television
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    This is a quick activity (on page 2 of the PDF under Gecko Feet Activity) about the forces of gravity and surface tension and how their behavior is influenced by size. Learners will fill a normal...

    1 cent - $1 per group Ages 8 - 14 5 to 10 minutes
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    Twin Cities Public Television
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    This is an activity (located on page 3 of PDF under Gecko Feet Activity) about modeling a nanoscale phenomenon (gravity-defying gecko feet) with macroscale objects (shoes). Using shoes and some...

    $1 - $5 per group Ages 8 - 14 2 to 4 hours
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    Twin Cities Public Television
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    This is a quick activity (located on page 2 of the PDF under Nasturtium Leaves Activity) about surface tension. Learners will predict how many pennies can be placed in a full glass of water before...

    free Ages 8 - 14 10 to 30 minutes
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    Twin Cities Public Television
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    This is an activity (located on page 3 of PDF under Nasturtium Leaves Activity) about surface tension. Learners will test different leaves with drops of water and full submersion to compare how...

    $5 - $10 per group Ages 8 - 14 1 to 2 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