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Exploring Size: Measure Yourself
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In this activity, learners mark their height on a height chart and discover how tall they are in nanometers.

Make A Map for A Treasure Hunt
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In this activity, learners will explore how maps can provide information about a place and help us find our way from one location to another.

Globe at Night
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In this international citizen science activity, learners measure their night sky brightness and submit their observations into an online database.

Topographic Investigation: Map an Underwater Surface
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In this activity, learners create a map of a hidden surface using a "sounding stick" -- a technique similar to how underwater maps were once made.

Exploring Size: Memory Game
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In this activity, learners play a card game that explores different size scales--macro, micro and nano.

Cutting it Down to Nano
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This simple activity uses paper and scissors to convey two key concepts to learners: the nanoscale is very small and working on the nanoscale requires special tools.

Pocket Solar System: Make a Scale Model
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This fun and simple hands-on astronomy activity lets learners build a scale model of the universe with little more than adding machine tape.

Bubbles: Using Controls
In this experiment, learners use JOY liquid detergent and glycerin to make the largest bubble they can that lasts 15 seconds.

Exploring Size: Scented Solutions
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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).