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In this activity, learners explore how salt water freezes in comparison to fresh water.

This lesson focuses on two simple activities that younger learners can do to gain an appreciation of nanotechnology. First, learners measure their hands in nanometers.

In this activity, learners conduct a controlled experiment to examine how temperature will affect the height of a soda geyser.

In this activity, learners explore how engineers have met the challenge of keeping foods, liquids, and other items cool.