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This activity (located on page 8 of the PDF) introduces learners to the concept of Non-point Source Pollution--what happens when rain washes garbage and other pollutants into rivers and lakes.

In this activity, learners use the design thinking process to design and build their own aqueduct, or water bridge.

In this activity (located on page 10 of the PDF), learners explore the properties of spraying and dripping water, while making art.

Learners design, build, and test models of "dragon boats" made from up to three milk cartons.

This is a demonstration about how nature inspires nanotechnology. It is easily adapted into a hands-on activity for an individual or groups.

Visitors test solutions of water, sugar, salt, and hydrochloric acid and the solids salt and sugar. They clip leads from the hand generator to wires immersed in each substance.

In this activity, learners design a device to solve a problem: how to get a ball out of a drain pipe.

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 physics activity, learners build their own rockets out of film canisters and construction paper.

In this activity (on page 5 of PDF), learners use dry ice and household materials to make scientifically accurate models of comets.