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Egg-stra Strength
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In this physics activity, learners will investigate the strength of egg shells.
Decomposition Column
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In this activity, learners turn empty 2-liter bottles into a see-through compost container.
How Thick is Your Hair?
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In this activity on page 13 of the PDF, learners use a laser pointer (with known wavelength of light) to measure the thickness of a human hair.
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