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Surface Area
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In this demonstration, learners discover that nanoparticles behave differently, in part because they have a high surface area to volume ratio.

Cupcake Delivery
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In this design challenge, learners will create wind-powered contraptions to transport a load, such as a cupcake or another small object, and test to see if they work.

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.

Plankton Races
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In this two-part activity, learners investigate buoyancy, density and surface area as well as biodiversity and the relationship between the structure and function of organisms.

Nano Waterproofing
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This lesson focuses on how nanotechnology has impacted the design and engineering of many everyday items from paint to fabrics.