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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    Learners build a simple aneroid barometer to learn about changes in barometric pressure and weather forecasting. They observe their barometer and record data over a period of days. This activity...

    $1 - $5 per student Ages 8 - 14 1 to 4 weeks
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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    Learners conduct four simple experiments to demonstrate the effects of air pressure. They use Bernoulli's Principle, that moving air exerts less pressure, to manipulate air pressure and see...

    1 cent - $1 per student Ages 11 - 14 30 to 45 minutes
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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    Learners tour their school or home looking for sources of indoor air pollutants (IAPs). After cataloging these sources, learners can analyze and display their data in different formats: bar graph...

    free 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 blow into balloons and collect their breath--carbon dioxide gas (CO2). They then blow the CO2 from the balloon into a solution of acid-base indicator. The indicator changes color to show...

    $1 - $5 per student Ages 8 - 14 5 to 10 minutes
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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    In this demonstration, learners observe vinegar and baking soda creating carbon dioxide (CO2) in a bottle. The gas is poured out of a bottle onto a candle flame, putting out the candle. This...

    1 cent - $1 per group Ages 8 - 14 5 to 10 minutes
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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    Learners conduct two activities to investigate two properties of liquids: density and viscosity. In a clear container, learners stack 7 different liquids which will layer according to their density...

    $5 - $10 per group Ages 11 - 14 30 to 45 minutes
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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    Learners build devices from rubber bands to test for invisible air pollutants. They then place the devices in different locations for a period of days or weeks, including one device in a closed...

    $1 - $5 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 test two jars of ice water, one covered and one open, for changes in temperature. After placing the jars in the sun, learners discover that the covered jar cools down more slowly. This...

    1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    In this demonstration, learners compare and contrast regular water ice to dry ice (frozen carbon dioxide). Both samples are placed in a solution of acid-base indicator. The regular ice floats and...

    $1 - $5 per group Ages 8 - 14 5 to 10 minutes
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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    Learners investigate weight by building a spring scale. They observe and record how it responds to objects with different masses. This activity can be combined with other activities to create a...

    $1 - $5 per group Ages 11 - 14 45 to 60 minutes

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