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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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    In this activity, learners make a barometer, an instrument to measure change in air pressure. Learners take measurements with their barometer, then make weather predictions and compare them to...

    $5 - $10 per group Ages 8 - 14 1 to 7 days

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