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Membrane Permeability with Beets
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In this lab exercise, learners explore diffusion, cell membranes and particle size using beets and three alcohols.

Line Up: Using Math To Stand In Line
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Put math of measurement into lining up — and make waiting in line fun. Choose a size characteristic that learners can physically compare, such as foot length or hair length.

Why do Raindrops Sometimes Land Gently and Sometimes Land with a Splat?
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In this activity, learners examine raindrop bottles (prepared ahead of time) to observe in slow motion the behavior of falling droplets and explore concepts such as drag and terminal velocity.

Pi Graph
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In this activity, learners use a straight line to learn about circles. Learners measure and record the diameter and circumference of different sized cylindrical objects on a chart.

Exploring Properties: Surface Area
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This hands-on activity demonstrates how a material can act differently when it's nanometer-sized.

Sizing Up Temperature
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In this activity, learners explore Charles' Law in a syringe.

Testing Falling Peanut Butter Sandwich Myth
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In this activity related to rotational inertia (page 1 of the PDF under SciGirls Activity: Microgravity), learners will use a bit of scientific experimenting to test if open-faced peanut butter sandwi

Moving Model Glacier
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In this goopy activity (page 2 of PDF under GPS: Glaciers Activity), learners will model glacial movement with “gak,” a white glue and liquid starch mixture.

Make a Model of a Home Made From Shipping Containers
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In this activity, learners watch a video to learn about a couple who built a home out of shipping containers in Brooklyn, New York.

Bean Bugs
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In this outdoor biology and math activity, learners estimate the size of a population of organisms too numerous to count.

Clay Beams and Columns
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In this activity, learners make or use pre-made clay beams to scale and proportion. Specifically, they discover that when you scale up proportionally (i.e.