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In this activity, young learners use different-sized paper 'caterpillars' and various household items to predict and measure their height.

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

This activity models the way Landsat satellites use a thermal infrared sensor to measure land surface temperatures.

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

In this activity, learners sort different natural phenomena into categories (they occur on Earth, on the Moon, or on both), and then model how energy moves during a quake using spring toys.

"What's in the Water" lets participants use tools to solve the mystery- what chemicals and compounds are in a sample of water?

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).