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Straining Out the Dirt
Learners take on the role of environmental engineers as they design water filters.
Water Underground
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Many people get water from a source deep underground, called groundwater.
Spill Spread
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In this simulation, learners explore how ocean currents spread all kinds of pollution—including oil spills, sewage, pesticides and factory waste—far beyond where the pollution originates.
Build a Coral Polyp
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In this activity, learners build one or more edible coral polyps and place them together to form a colony.
Walk On Water Bugs
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In this activity (on pages 29-35), learners examine water pollution and filtration.
Human Impact on Estuaries: A Terrible Spill in Grand Bay
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In this activity, learners make a model of a pollution spill that occurred at Bangs Lake in Mississippi and measure water quality parameters in their model.
Make a Lake
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Where rainwater goes after the rain stops? And why there are rivers and lakes in some parts of the land but not in others?
Low-Tech Water Filter for High-Impact Clean
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In this activity, learners consider the water features they might enjoy at a community park--a pond, brook, water playground (or "sprayground"), or pool--and what happens to the water over time.
Beach Buckets
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In this activity, learners explore a bucket of sand and beach objects.