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In this activity, learners explore the relative size of the Sun and Earth as well as the distance between them.

This is an activity in which learners will find that they can detect differences in concentration better with their nose (smelling) than with their eyes (seeing).

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.

This hands-on activity demonstrates how a material can act differently when it's nanometer-sized.