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    Make
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    In this activity, learners build a "pneumatic trough," a laboratory apparatus used for collecting pure gas samples over water. After building this device, learners can put it to use and...

    $10 - $20 per student Ages 14 - adult 30 to 45 minutes
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    New Jersey Department of Education
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    In this investigation, learners explore the force known as buoyancy by placing various objects into water and observing how they behave (for example, which sink more quickly, which float, how much...

    $1 - $5 per group Ages 8 - 14 30 to 45 minutes
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    California Academy of Sciences
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    In this activity, learners practice the steps involved in a scientific investigation while learning why ice formations on land (not those on water) will cause a rise in sea level upon melting. This...

    $5 - $10 per group Ages 8 - 14 2 to 4 hours
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    New York Hall of Science
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    This is an activity about lung capacity. Learners will measure their own lung capacity using a homemade spirometer. A spirometer is an apparatus for measuring the volume of air inspired and expired...

    1 cent - $1 per student Ages 6 - 18 10 to 30 minutes
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    The Exploratorium
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    In this activity, learners use basic measurements of the Earth and pieces of rock and iron to estimate the mass of the Earth. Learners will calculate mass, volume, and density, convert units, and...

    free Ages 14 - 18 45 to 60 minutes
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    The Exploratorium
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    In this activity, learners build a recording timer made from simple materials (e.g., small dc motor, sharpie pen, craft sticks, adding machine paper tape, etc.). The device produces a record of...

    Over $20 per group Ages 14 - 18 1 to 2 hours
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    Colorado State University
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    In this activity, learners use cheap, thin plastic garbage bags to quickly build a solar hot air balloon. In doing so, learners will explore why hot air rises. Learners can use a hair dryer to...

    $1 - $5 per group Ages 8 - 14 10 to 30 minutes
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    Children's Museum of Indianapolis
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    In this activity, learners take measurements and create charts to learn about the size of dinosaurs and their relative scale to humans. In addition, learners discover how scientists estimate the...

    $5 - $10 per group Ages 8 - 11 1 to 2 hours
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    Chicago Children's Museum
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    In this activity (located on page 9 of the PDF), learners are introduced to Aesop's fable, "The Crow and the Pitcher." In the story, a clever crow drops pebbles into a pitcher to...

    free Ages 6 - 11 45 to 60 minutes
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    NOAA
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    In this activity, learners discover that as the salinity of water increases, the density increases as well. Learners prove this by attempting to float fresh eggs in saltwater and freshwater. This...

    1 cent - $1 per group Ages 6 - 14 5 to 10 minutes

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