Curated OER
A Plume of Contamination
Young scholars perform an experiment/investigative simulation regarding the movement of contaminants in groundwater. They test the pH of three water samples, and then use their reasoning skills to determine the source of an invisible...
US Environmental Protection Agency
Epa: Our Responsibilities Under the Safe Drinking Water Act
This 1975 article describes the legislation that was passed to regulate the safety of drinking water.
TeachEngineering
Teach Engineering: Break the Tension
Students learn about and experiment with the concept of surface tension. How can a paper clip "float" on top of water? How can a paper boat be powered by soap in water? How do water striders "walk" on top of water? Why do engineers care...
TeachEngineering
Teach Engineering: Groundwater Detectives
Student teams locate a contaminant spill in a hypothetical site by measuring the pH of soil samples. Then they predict the direction of groundwater flow using mathematical modeling. They also use the engineering design process to come up...
National Institutes of Health
Niehs: Hurricane Katrina
When Hurricane Katrina hit the Gulf Coast area, NIEHS scientists and physicians were sent to assist with relief efforts. Provided is a helpful packing list and useful suggestions so you can help your family in case of an emergency or to...
American Geosciences Institute
American Geosciences Institute: How Does Water Become Polluted?
Find out how Earth's water supply can become contaminated with pollutants.
American Geosciences Institute
American Geosciences Institute: What Are Pollutants?
Find out about some of the most prevalent pollutants in water, and learn about the effect they have.