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In this activity, learners calculate their water usage (in cups and galloons) during an average shower. Learners also chart and analyze water usage during showers in their households.

In this hands-on activity, learners use the steps of the design process to create a hook to rescue a "space capsule" from the water.

In this design challenge, learners design a storm drain cover that catches litter to protect waterways to learn about how local actions can have system-level effects.

In this activity, learners use tinfoil to build and test their own boats - which designs will float, and which will sink?

In this demonstration, learners discover that nanoparticles behave differently, in part because they have a high surface area to volume ratio.