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    PBS
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    In this "Sid the Science Kid" activity, learners explore the effects of decay by comparing and contrasting something (an old pumpkin) that's decayed with the same thing before it...

    $10 - $20 per group Ages 4 - 6 10 to 30 minutes
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    NOAA
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    This is a comprehensive lesson plan for a group cleanup trip to a local beach, lake or stream. Learners keep track of the types and amounts of trash picked up and analyze this information. As a...

    $5 - $10 per group Ages 14 - 18 1 to 7 days
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    NISE Network
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    This is a demonstration about how nature inspires nanotechnology. It is easily adapted into a hands-on activity for an individual or groups. Learners discover that lotus leaves are self cleaning...

    $5 - $10 per group Ages 6 - adult 10 to 30 minutes
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    Twin Cities Public Television
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    In this activity, learners create a star show and discover how they can prevent light pollution. Using simple materials, learners first design constellation boxes. Next, learners use their...

    $5 - $10 per group Ages 8 - 14 1 to 2 hours
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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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    Science Friday
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    In this activity, learners investigate carbon sequestration by creating a carbonated beverage out of apple juice and dry ice. This experiment illustrates how carbon dioxide can be stored in a...

    $10 - $20 per group Ages 11 - 14 45 to 60 minutes
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    The Exploratorium
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    In this hands-on and feet-on excursion, learners take a science walk to visualize the planet's immense size and numerous structures, without the usual scale and ratio dimensions found in most...

    1 cent - $1 per group Ages 11 - 18 45 to 60 minutes
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    IEEE
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    In this activity, learners explore how anemometers work to record wind speeds and how the equipment has undergone engineering adaptations over time. Learners work in teams of "engineers"...

    Over $20 per group Ages 8 - 18 1 to 2 hours
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    Bridge: Online Ocean Science Education Resource Center
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    Why is ocean water sometimes the warmest when the average daily air temperature starts to drop? In this activity, learners explore the differing heat capacities of water and air using real data....

    1 cent - $1 per student Ages 11 - 18 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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