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    COSI
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    In this combination chemistry and physics activity, learners explore water absorption in dried beans or peas and learn how this affects their physical properties. They observe changes in size, skin...

    $1 - $5 per student Ages 6 - 11 1 to 7 days
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    Science Museum of Minnesota
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    In this activity, learners will measure their lung capacity by making their own spirometer. Learners will then explore factors that affect the amount of air the lungs can hold. Useful information...

    $1 - $5 per group Ages 8 - 18 45 to 60 minutes
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    Lawrence Hall of Science
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    Learners imagine a world covered in a mysterious substance called Oobleck. Learners make this substance and investigate its properties. Using an online program, they then design a spacecraft that...

    $1 - $5 per group Ages 8 - 18 30 to 45 minutes
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    American Chemical Society
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    Learners compare the weight of equal volumes of wax, water, and clay. Learners discover that since the wax weighs less than an equal volume of water, it is less dense than water and will float. And...

    $1 - $5 per group Ages 8 - 14 30 to 45 minutes
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    American Chemical Society
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    Learners design their own experiment to investigate whether the temperature of the surrounding water affects the rate at which the colored coating dissolves from an M&M. When they conduct their...

    $1 - $5 per group Ages 4 - 14 30 to 45 minutes
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    American Chemical Society
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    In this activity, learners design a crushing test and discover that identifying and controlling the variables may be difficult. Although the crushing test will not give conclusive results, it is a...

    $1 - $5 per group Ages 8 - 14 10 to 30 minutes
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    University of Washington
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    In this activity (1st activity on the page), learners explore their sense of taste and the structure of the tongue by taste-testing various foods. Learners dip toothpicks in various solutions of...

    $1 - $5 per group Ages 8 - 18 10 to 30 minutes
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    Oregon Museum of Science and Industry
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    Learners press their fingertip onto a clean Plexiglas sheet. The fingerprints are then revealed as learners dust over the print with fingerprint powder. They can lift their prints with clear tape,...

    $1 - $5 per group Ages 6 - adult Under 5 minutes
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    BioEd
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    In this activity, learners observe what happens when yeast cells are provided with a source of food (sugar). Red cabbage "juice" will serve as an indicator for the presence of carbon...

    $1 - $5 per group Ages 8 - 14 1 to 2 hours
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    The Exploratorium
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    Ocean acidification is a problem that humans will have to deal with as we release more and more carbon dioxide into the atmosphere. This activity demonstrates how water can become acidic with the...

    $1 - $5 per student Ages 8 - 18 5 to 10 minutes

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