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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
Spaghetti Strength
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In this activity on page 7 of the PDF, learners explore how engineers characterize building materials.
Bubbles: Using Controls
In this experiment, learners use JOY liquid detergent and glycerin to make the largest bubble they can that lasts 15 seconds.
How Many Pennies?
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In this activity (pages 13-14), learners investigate the properties of smart materials, which are materials that respond to things that happen around them.