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Strengthen a Paper Bridge

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In this quick activity (page 1 of the PDF under SciGirls Activity: Tug O' War), learners will test how many pennies a flat paper index card bridging the gap between two stacks of books is able to supp
1 cent - $1 per group Ages 8 - 14 10 to 30 minutes

Heavy Helicopters

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Learners construct and launch paper helicopters.
1 cent - $1 per group Ages 11 - 18 45 to 60 minutes

What a Drag!

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Learners investigate how drag affects the falling rate of objects.
1 cent - $1 per group Ages 11 - 14 45 to 60 minutes

Flinker

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In this activity, learners make a foam packing peanut "flink"--neither float away nor sink--in water. Learners experiment with materials to make a Flinker that "flinks" for 10 seconds.
1 cent - $1 per student Ages 6 - 11 5 to 10 minutes