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This is a quick activity (on page 2 of the PDF under Butterfly Wings Activity) that illustrates how nanoscale structures, so small they're practically invisible, can produce visible/colorful effects.

In this fun hands-on activity, learners whip up a batch of cyber-dough (play dough) using math for measurements.

In this chemistry activity, learners use thin layer chromatography to determine the molecular composition of different markers.