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    WGBH
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    In this water activity, learners build boats that float and sink. First, learners listen to the book, "Who Sank the Boat" and practice making predictions throughout the story. Then,...

    $5 - $10 per group Ages 4 - 6 45 to 60 minutes
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    Science Friday
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    In this activity, learners discuss and investigate how cameras, telescopes, and their own eyes use light in similar ways. By building their own pinhole viewers, learners make observations about the...

    1 cent - $1 per student Ages 11 - 14 45 to 60 minutes
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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    Learners build particulate matter collectors--devices that collect samples of visible particulates present in polluted air. They place the collectors in various test sites and observe them over a...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    Pratt School of Engineering, Duke University
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    Learners apply their knowledge of heat transfer to design two cans - one that will retain heat and one that will cool down quickly. After constructing their cans, learners fill the cans with warm...

    $1 - $5 per group Ages 11 - 14 45 to 60 minutes
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    New Jersey Department of Education
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    This activity has learners observe water and compare it to other liquids. They stir and scoop the liquids, drip them onto various materials, drop various objects into the liquids, and record what...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    Lunar and Planetary Institute
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    In this activity, teams of learners study magnetic fields at four separate stations: examining magnetic fields generated by everyday items, mapping out a magnetic field using a compass, creating...

    Over $20 per group Ages 8 - 14 45 to 60 minutes
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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    Learners play the role of materials engineers as they test the flexibility of different materials. They determine the strength-to-weight ratio of bars of these materials (e.g., steel, aluminum,...

    $5 - $10 per group Ages 11 - 14 45 to 60 minutes
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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    Learners develop an understanding of air pressure in two different activities. They model the magnitude of air pressure as gravitational force per unit area, and they use cookie wafers to model how...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes