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In this activity, learners create a kind of balance device using a wire coat hanger, some string, and paper cups.

In this math activity, learners pretend there is a special store that lets you pay for toys by their weight in pennies.

This is a classic exercise for visualizing the scale of the Solar System.

In this fun sticker activity, learners will create a size wheel with images of objects of different size, from macroscopic scale (like an ant) to nanoscale (like DNA).

Using information from the My Place in Space lithograph, learners write and/or draw a postcard to friends and family as if they had gone beyond the interstellar boundary of our Solar System, into the

In this lesson, learners cut paper into very small pieces to explore the small size of quarks, the smallest thing we know of on Earth.