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    Twin Cities Public Television
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    In this quick activity (page 2 of PDF), learners will model how large depressions near the top of a volcano are formed by using an inflating and deflating balloon submerged in flour. The model...

    $5 - $10 per group Ages 8 - 14 30 to 45 minutes
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    American Physical Society
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    On an airplane trip, learners have an opportunity to investigate the properties of air pressure at different altitudes. When the plane is at cruising altitude, learners open and cap a empty...

    free Ages 6 - 14 30 to 45 minutes
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    American Chemical Society
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    Learners observe and conduct experiments demonstrating the different properties of hot and cold materials. In a demonstration, learners observe that food coloring mixes faster in hot water than in...

    $1 - $5 per group Ages 6 - 14 30 to 45 minutes
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    Twin Cities Public Television
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    In this activity (page 1 of PDF), learners will construct an air cannon by cutting a hole in the bottom of a bucket and stretching a garbage bag over the other end. Then, they aim the cannon at a...

    $1 - $5 per group Ages 8 - 14 30 to 45 minutes
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    NASA
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    This lesson guide includes six simple and quick activities to help learners better understand Bernoulli's Principle. The guide includes an explanation of the Bernoulli Effect as well as common...

    $1 - $5 per student Ages 8 - 11 30 to 45 minutes
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    Twin Cities Public Television
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    In this activity (located on page 2), learners will construct tiny model geysers out of film canisters, warm water, and antacid seltzer tablets. Thinking about what happens inside the canister to...

    $1 - $5 per group Ages 8 - 14 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