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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.

Water treatment on a large scale enables the supply of clean drinking water to communities.

In this activity, learners receive a labeled plastic film canister containing a material representing a pollutant (i.e. pencil shavings = a beaver's wood chips).

In this water pollution activity, learners create pond water cultures and investigate the effects of adding chemicals or natural nutrients.

In this physics activity (page 10 of the PDF), learners will explore how energy from moving water can be used.

This is an activity (located on page 3 of the PDF under Water Clean-up Activity) about the use of reduction agents to decontaminate ground water.

This activity explores the basic workings of a siphon, which is the core technology that makes toilets work.

In this outdoor activity, learners simulate an oil spill using popcorn (both oil and popcorn float on water), and estimate the spill's impact on the environment.

This online simulation game explores the different consequences of water levels on the Columbia River in the Pacific Northwest.

April showers bring May flowers, but what do coastal storms bring?

In this hands-on activity, learners will construct a scuba diver that can float in order to explore how sea creatures stay neutrally buoyant in the ocean and to see what kinds of forces might be influ

In this activity, learners consider how oil spills behave in the ocean and what impact they have on marine wildlife.

This hands-on experiment will provide learners with an understanding of the issues that surround environmental cleanup.

In this activity (on page 14 of PDF), learners use a pan full of flour and some rocks to create a moonscape.

In this experiment, learners examine the way oil affects bird feathers and test different cleanup methods to find out which works best.

In this activity, learners explore how wind tunnels provide feedback to engineers about the performance and durability of products such as planes, cars, and buildings.

Learners will explore the scientific mystery behind a disappearing group of trees by examining data and attempting to explain the decline.

In this activity, learners investigate the food, water, and space needs of common livestock animals.

In this activity related to climate change, learners create and explore topographical maps as a means of studying sea level rise.

In this activity, learners are invited to imagine the park of their dreams!