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The Pull of the Planets
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In this activity, learners model the gravitational fields of planets on a flexible surface.
Building Bridges
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In this activity, learners explore the engineering design process and the basic mechanics behind building bridges as they build one themselves using gumdrops and toothpicks.
Bridge the Gap
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Learners work in groups to construct bridges using stale marshmallows and toothpicks.
Super Soaker
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In this activity (page 1 of the PDF under SciGirls Activity: Bogs), learners will test cups full of potting soil, sand, and sphagnum moss to see which earth material is able to soak up the most water.