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    Twin Cities Public Television
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    In this engineering activity, learners examine bicycle mechanics and gear ratios. Learners determine which gears will help them bike a set course in the shortest amount of time.

    1 cent - $1 per group Ages 8 - 14 1 to 2 hours
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    Center for Engineering Educational Outreach, Tufts University
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    In this activity, learners investigate the properties of different types of balls. Learners conduct experiments on four different balls to see which can bounce the highest and which continues...

    free Ages 8 - 11 1 to 2 hours
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    COSI
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    In this fun physics activity (page 9 of the pdf), learners take part in a paper airplane design challenge. They can be encouraged to try out different designs and discuss the best ones and why they...

    1 cent - $1 per student Ages 6 - 11 10 to 30 minutes
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    Twin Cities Public Television
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    In this activity (on page 1 of the PDF under SciGirls Activity: Soccer Ball Kick), learners will investigate the transfer of energy using sports equipment. Learners first measure how high different...

    free Ages 8 - 14 30 to 45 minutes
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    Twin Cities Public Television
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    This activity (on page 3 of the PDF under GPS: Baseball Activity) is a full inquiry investigation into how "bounciness" relates to the distance a ball will fly when hit off a batting tee....

    $5 - $10 per group Ages 8 - 14 1 to 2 hours

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