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    NOAA
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    In this group activity, learners act out key stages of the "ocean carbon cycle" (also known as the "carbonate buffer system") through motions, rearranging blocks and team tasks....

    $1 - $5 per group Ages 11 - 14 45 to 60 minutes
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    American Chemical Society
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    In this activity on page 7 of the PDF, learners investigate the solubility of gas in water at different temperatures. This experiment will help learners determine if temperature affects solubility....

    $1 - $5 per student Ages 8 - 14 45 to 60 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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    Community Science Workshop Network
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    In this activity, learners build a cuica or chirping bird using straw, string, and a bottle cap. Use this activity to explore the interplay of motion and sound.

    $1 - $5 per student Ages 6 - 11 10 to 30 minutes
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    Community Science Workshop Network
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    In this activity, learners build a mini crank machine to make a bird "fly." This engineering activity introduces learners to automata, rotational motion, cranks and cams.

    $1 - $5 per student Ages 6 - 11 1 to 2 hours
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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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    Iridescent
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    In this engineering design challenge, learners make a bird and then control its flight with attached strings. As learners work their way through the design process, they can upload descriptions and...

    $1 - $5 per group Ages 4 - 18 1 to 2 hours
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    Lawrence Hall of Science
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    This activity features two connected hands-on activities about dinosaur bones. Using chicken or turkey bones and regular household items, learners explore the scientific process of studying...

    $1 - $5 Ages 8 - 18 1 to 7 days
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    Museum of Science, Boston
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    The goal of this activity is to design, build and test a house or toy for an animal. Learners will research a particular animal and design a house or toy that will encourage that animal's...

    $1 - $5 per group Ages 4 - 18 30 to 45 minutes
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    Community Science Workshop Network
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    In this activity, learners build a figure that moves and "comes to life" when they pull its string. This engineering activity introduces learners to simple machines, specifically levers,...

    $1 - $5 per student Ages 6 - 14 1 to 2 hours

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