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    WGBH
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    In this activity, learners will build a roller coaster for a marble to run on using everyday household materials such as paper towel or toilet paper rolls, cups, boxes, books, buckets, chairs, etc....

    $1 - $5 per group Ages 6 - 11 30 to 45 minutes
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    Twin Cities Public Television
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    This activity (on page 2 of the PDF under SciGirls Activity: Water Slides) is a full inquiry investigation into speed and motion and takes place at a water park. Groups of learners will compare two...

    $5 - $10 per group Ages 8 - 14 2 to 4 hours
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    Twin Cities Public Television
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    This activity (on page 3 of the PDF under GPS: Roller Coaster Design Activity) is a full inquiry investigation into g-force and acceleration. Groups of learners will construct their own...

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