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    Community Science Workshop Network
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    In this activity, learners conduct three experiments to examine temperature, the different stages of the water cycle, and how convection creates wind. These activities can be used individually or...

    $1 - $5 per group Ages 4 - 11 45 to 60 minutes
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    NOAA
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    In this activity, learners observe the hydrologic cycle in action as water evaporates and condenses to form rain right before their eyes. Learners perform a simple experiment to precipitate "...

    1 cent - $1 per group Ages 4 - 14 10 to 30 minutes
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    Sciencenter
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    In this two part activity, learners become draft detectives by constructing their own draft catchers to detect drafts around windows or doors. Next, they make draft stoppers to reduce air flow and...

    $5 - $10 per student Ages 4 - 14 10 to 30 minutes
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    Community Science Workshop Network
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    In this up-cycling activity, learners recycle plastic bags and repurpose them into useful wallets. Learners cut and iron grocery bags into new shapes and designs so that they can be reused as...

    $1 - $5 per student Ages 4 - 14 10 to 30 minutes
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    The Exploratorium
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    In this activity, learners create a tornado in a bottle to observe a spiraling, funnel-shaped vortex. A simple connector device allows water to drain from a 2-liter bottle into a second bottle....

    $1 - $5 per student Ages 4 - 14 10 to 30 minutes
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    Oregon Museum of Science and Industry
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    Learners mix a solution of luminol with hydrogen peroxide to produce a reaction that gives off blue light. Learners discover that some chemical reactions release energy in the form of light, and...

    $1 - $5 per group Ages 4 - adult Under 5 minutes
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    NISE Network
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    In this activity, learners participate in several full-body interactive games to model the process of self-assembly in nature and nanotechnology. Through these activities learners assemble into a...

    $1 - $5 per student Ages 4 - adult 10 to 30 minutes
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    American Chemical Society
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    In this activity, learners make their own "tornado" using two soda bottles and water. Learners discover that, under certain conditions, a liquid like water and the gases in air can act in...

    free Ages 4 - 11 10 to 30 minutes
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    Mount Holyoke College
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    Learners observe different light sources, outdoors and indoors, using prism glasses (diffraction glasses) and color filters. Natural light (sun) and artificial light (lamp, candle, LED) sources are...

    $5 - $10 per student Ages 4 - 8 10 to 30 minutes
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    U.S. Department of Energy's Office of Energy Efficiency and Renewable Energy
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    In this activity, learners work in groups to build simple solar stills filled with salt water. After the stills are complete, learners observe what happens when they place the stills in the sun....

    1 cent - $1 per group Ages 4 - 11 45 to 60 minutes

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