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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.

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

In this design challenge, leaners attempt to build a strong structure out of LEGO® bricks that can withstand a 4-foot drop.

In this activity, learners watch a video to learn about a couple who built a home out of shipping containers in Brooklyn, New York.