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Water.org
Water plays a crucial role in the lives of every living being on Earth. Learn about how this essential resource is used across the planet each day, and how clean water is often difficult for many populations to obtain. Includes...
TeachEngineering
Teach Engineering: Let's Get Dirty
In a very hands-on activity, students observe and feel the differences between two cleaning methods, with and without hand soap, using coffee grounds to represent "dirt."Most of the dirt and bacteria on our hands is encased in a thin...
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The Dirty Dozen Persistent Organic Pollutants
Use this site to learn about the effects of persistent organic pollutants on the ecology of Antarctic coastal waters. Information is presented for both teacher and student researcher.
Curated OER
Science Kids: Science Images: Swamp
This photo shows a typical looking swamp with dirty water surrounded by various plants and vegetation.
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