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    Twin Cities Public Television
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    In this activity (on page 2 of the PDF), learners will construct a model hovercraft out of an empty spool and a piece of cardboard. A balloon provides the air pressure through the spool and a hole...

    1 cent - $1 per student Ages 8 - 14 45 to 60 minutes
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    The Exploratorium
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    In this activity, learners create a tornado in a bottle to observe a spiraling, funnel-shaped vortex. A simple connector device allows water to drain from a 2-liter bottle into a second bottle....

    $1 - $5 per student Ages 4 - 14 10 to 30 minutes
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    Community Science Workshop Network
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    In this activity, learners build cars using syringes and water-powered hydraulics. Learners construct the car frame out of cardboard and set up a hydraulic system to raise and lower the car. Use...

    $1 - $5 per student Ages 6 - 14 1 to 2 hours
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    COSI
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    In this physics activity (page 2 of the PDF), learners will construct their own walkalong glider. They will explore how air, though invisible, surrounds and affects other objects. Learners will...

    $1 - $5 per student Ages 8 - 18 30 to 45 minutes
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    Science Museum of Minnesota
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    Experiment with force and pressure by building a balloon rocket. When launched, the balloon will run a track wherever you place the string. All you need is a balloon, clothespin, a straw, some tape...

    1 cent - $1 per student Ages 4 - 11 30 to 45 minutes
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    The Exploratorium
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    In this activity, learners will use a compact disc to build an air puck that can glide across a smooth tabletop. The puck glides with almost no friction on a cushion of air escaping from a balloon.

    $1 - $5 per student Ages 8 - 18 30 to 45 minutes
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    Community Science Workshop Network
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    In this activity, learners build a water squirter using a PVC pipe, dowel, and foam. This activity is great for the summer time and introduces learners to forces and water pressure. Note: an...

    $5 - $10 per student Ages 6 - 18 45 to 60 minutes
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    Community Science Workshop Network
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    In this activity, learners build a slide whistle using PVC pipe, bamboo skewer, and piece of foam. Construction of the instrument is relatively simple. Learners will experiment making sounds and...

    $1 - $5 per student Ages 6 - 18 10 to 30 minutes
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    Twin Cities Public Television
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    This activity (located on page 3 of the PDF) is a full inquiry investigation into the forces of gravity and air pressure. Groups of learners will construct a simple gravity fountain by making a...

    1 cent - $1 per group Ages 8 - 14 1 to 2 hours

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