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In this activity, learners investigate diffusion by creating underwater "fireworks" using food coloring, oil and water.

In this activity (page 10), learners explore how molecules self-assemble according to forces of attraction and repulsion.

In this physics activity (page 3 of the PDF), learners will see firsthand that air takes up space and has pressure by attempting to inflate a balloon inside of a bottle.

In this nanoscience activity, learners discover that it's easy to pour water out of a regular-sized cup, but not out of a miniature cup.