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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 Bernoulli’s principle and airplane wings. Learners will design and build their own airplane wing models out of...

    $5 - $10 per group Ages 8 - 14 45 to 60 minutes
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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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    Twin Cities Public Television
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    This activity (on page 2 of the PDF) is a full inquiry investigation into hovercraft engineering and design optimization. Groups of learners with access to power tools and a wood shop will build a...

    Over $20 per group Ages 8 - 14 1 to 7 days
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    Twin Cities Public Television
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    In this quick activity (located on page 2 of the PDF), learners will see the effects of convection and understand what makes hot air balloons rise. Learners will fill a bottle with hot water...

    1 cent - $1 per group Ages 8 - 14 10 to 30 minutes