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    Museum of Science and Industry, Chicago
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    Learners use chromatography to separate and analyze the mixture of pigments in leaves. Use this activity to discuss photosynthesis as well as why leaves change color in autumn. Safety note: Nail...

    $1 - $5 per student Ages 6 - 14 10 to 30 minutes
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    Community Science Workshop Network
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    In this activity, learners construct a traditional handicraft toy that illustrates a motion commonly associated with violins and earthquakes. This motion has a certain frequency and stays at the...

    $1 - $5 per student Ages 6 - 11 45 to 60 minutes
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    WGBH
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    In this engineering activity (page 3 of PDF), young learners investigate how a pole can be made stable by “planting” its base in the ground or adding supports to the base. First, learners observe...

    $1 - $5 per group Ages 4 - 8 30 to 45 minutes
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    National Aeronautics and Space Administration
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    In this activity, learners investigate density as they discover how liquids separate to form density layers. Learners discover what happens when they add syrup, cooking oil, and water to a jar....

    $1 - $5 per group Ages 8 - 11 10 to 30 minutes
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    New England Aquarium
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    In this quick activity, learners explore how blubber protects animals from the cold by making a "blubber mitt." Using cooking shortening, two zip-top sandwich bags, and duct tape,...

    $1 - $5 per student Ages 4 - 11 5 to 10 minutes
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    Smithsonian National Zoological Park
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    In this family or group activity, learners conduct a chromatography experiment to reveal the colors that leaves "hide" under their green pigments. Use this experiment to predict what...

    $1 - $5 per student Ages 6 - 14 45 to 60 minutes
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    NOAA
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    In this experiment, learners will investigate the release of carbon-containing gas from living and nonliving sources. Learners scratch the surface of a limestone rock and observe what happens when...

    $1 - $5 per student Ages 8 - 14 45 to 60 minutes
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    American Museum of Natural History
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    This activity helps learners understand how the angle of the Sun affects temperatures around the globe. After experimenting with a heat lamp and thermometers at differing angles, learners apply...

    $1 - $5 per group Ages 11 - 18 45 to 60 minutes
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    Museum of Science and Industry, Chicago
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    See what happens when plants compete for survival in an area with limited resources. What survives? How is plant quality affected? Any plant that can get more water, nutrients, and sunlight than...

    $1 - $5 per group Ages 6 - 18 1 to 4 weeks
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    National Geographic Society
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    In this activity, learners create a map showing the origins of spices and herbs from a favorite recipe(s). Learners first research the origins of the ingredients and then locate them on a world map...

    $1 - $5 per student Ages 8 - 14 30 to 45 minutes

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