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In this activity, learners build models of atoms and molecules, then consider their role in different phases of matter, density, and mixtures and solutions.

In this activity, learners make a paper model of a polymer, then make Silly Putty, an actual polymer.

In this activity, learners investigate the effect of heat on a reaction.

In this two-part activity about luminescence, learners explore the chemistry that happens inside glow sticks and other light producing reactions.