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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    In a class demonstration, learners observe a simple water cycle model to better understand its role in pollutant transport. When polluted water evaporates, the pollutants remain behind, becoming...

    $5 - $10 per group Ages 8 - 14 30 to 45 minutes
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    IEEE
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    In this activity, learners explore how engineers develop pipeline systems to transport oil, water, gas, and other materials over very long distances. Learners work in teams of "engineers"...

    $10 - $20 per group Ages 8 - 18 2 to 4 hours
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    Twin Cities Public Television
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    In this online Flash game, learners test their engineering know-how, moving a collection of mechanical parts onto a board to make complete a system of parts that will move a ball from start to...

    free Ages 6 - 14 5 to 10 minutes
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    The Exploratorium
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    In this activity, learners create a large film of soap and experiment with what can and cannot pass through it. Through the activity, learners will relate the properties of soap films to the...

    $10 - $20 per group Ages 8 - 18 5 to 10 minutes
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    WGBH
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    In this water activity, learners discover ways to move water across the water table. Learners use various tools including squirt bottles, sponges, and turkey basters to move water from one...

    $5 - $10 per group Ages 4 - 6 10 to 30 minutes