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    Twin Cities Public Television
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    This is an activity (located on page 3 of PDF) about composites, materials made of 2 or more different components. Learners will be challenged to build the best mud bricks, one of the earliest...

    $1 - $5 per group Ages 8 - 14 1 to 7 days
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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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    Center for Engineering Educational Outreach, Tufts University
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    Working in teams of four, learners build tetrahedral kites following specific instructions and using specific materials. They use the basic processes of manufacturing systems--cutting, shaping,...

    $1 - $5 per group Ages 11 - 14 45 to 60 minutes
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    Community Science Workshop Network
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    In this activity, learners construct speedy vehicles made out of paper plates and powered by twisted rubber bands. This toy is an excellent demonstration of potential and kinetic energy and how...

    $1 - $5 per student Ages 6 - 18 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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    Oregon Museum of Science and Industry
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    In this activity (on page 2 of PDF), learners create a low-tech refrigerator that requires no electricity to keep food from spoiling. It uses only clay pots, one smaller than the other and...

    $1 - $5 per student Ages 8 - 18 1 to 2 hours
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    NOAA
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    In this activity, learners perform an experiment to learn about how different types of marine debris degrade and how weather and sunlight affect the rate of degradation. Learners discover that...

    $1 - $5 per group Ages 8 - 14 1 to 12 months
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    Community Science Workshop Network
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    In this meteorology activity, learners build weather vanes using straws, paperclips, and cardstock. Learners will explore wind and air resistance as well as how weather vanes are used to understand...

    $1 - $5 per student Ages 6 - 14 10 to 30 minutes
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    Sacramento Zoo
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    In this activity, learners make a backyard bird feeder with soda bottles and other simple supplies. Learners will recycle a plastic bottle to hold birdseed, create a perch for the birds to rest,...

    $1 - $5 per student Ages 4 - 11 30 to 45 minutes
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    4-H
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    In this engineering/design activity, learners make a kite, fly it, and then work to improve the design. Learners explore how their kite design variations affect flight. Learners can test their kite...

    $1 - $5 per student Ages 8 - 14 10 to 30 minutes

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