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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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    Institute of Physics
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    In this demonstration, learners observe the effects of air pressure. They will watch as marshmallows inside a bottle expand as a vacuum pump removes air from the bottle. The marshmallows will...

    $1 - $5 per group Ages 4 - adult Under 5 minutes
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    The Exploratorium
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    In this activity, learners explore how changes in fluid pressure affect the buoyancy of a Cartesian diver inside a plastic soda bottle. This guide includes instructions for building a diver out of...

    $1 - $5 per student Ages 8 - 14 10 to 30 minutes
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    The Exploratorium
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    In this demonstration/activity, learners observe as a regular size marshmallow is blown through a tube made from a manila file folder. The result is spectacular, and the process provides a great...

    $1 - $5 per group Ages 8 - 18 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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    Learners use M&Ms® (or any other multi-color, equally-sized small candy or pieces) to create a pie graph that expresses the composition of air. They compare the composition of the air next to a...

    $1 - $5 per group Ages 8 - 14 10 to 30 minutes
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    The Exploratorium
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    In this activity, learners use plastic water bottles, wood, and water to build an inexpensive and portable tool to demonstrate one atmosphere of pressure at sea level. Once the tool is assembled...

    $1 - $5 per student Ages 11 - 18 45 to 60 minutes
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    NOAA
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    In this quick activity, learners observe how wind creates ocean currents. By blowing (through straws) on pepper suspended in water, learners will notice how the pepper moves in a clockwise motion,...

    $1 - $5 per group Ages 6 - 14 5 to 10 minutes
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    Oregon Museum of Science and Industry
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    In this classic reaction, learners baking soda and vinegar in a soda bottle to produce carbon dioxide (CO2) gas. This gas inflates a balloon. This lesson addresses properties of gases, and...

    $1 - $5 per student Ages 6 - 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 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
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    The Exploratorium
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    In this two-part activity, learners use everyday materials to visualize one mole of gas or 22.4 liters of gas. The first activity involves sublimating dry ice in large garbage bag. The second...

    $1 - $5 per group Ages 11 - 18 10 to 30 minutes

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