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When an elementary school teacher calls in sick to work, she finds out that she is not the only one who will be missing school that day.  Children from her fifth grade class have also become ill and parents are calling to report the absences. The concerned principal of the school finds out the fifth grade class had a field trip to one of the local parks the day before. The case shows the areas visited by the class and provides discussion between the principal and a physician that teaches the readers about water quality and EPA standards for bacteria levels in recreational water. The case has an optional lab component that provides the theory for three methods that can be used to conduct microbial water analyses.  Procedures are included for teachers to lead a lab activity to test water to identify which location in the park caused the illness. This case study and accompanying laboratory activity are recommended for an environmental engineering course or a lower level science course.

In July, the AP reported that its first round of tests showed disease-causing viruses directly linked to human sewage at levels up to 1.7 million times what would be considered highly alarming in the U.S. or Europe. Experts said athletes were competing in the viral equivalent of raw sewage and exposure to dangerous health risks almost certain. The results sent shockwaves through the global athletic community, with sports officials pledging to do their own viral testing to ensure the waters were safe for competition in next year's games. Those promises took on further urgency in August, after pre-Olympic rowing and sailing events in Rio led to illnesses among athletes nearly double the acceptable limit in the U.S. for swimmers in recreational waters.

NSDL is the nation's online portal for education and research on learning in Science, Technology, Engineering, and Mathematics. The National Science Digital Library has a wealth of high quality digital resources to teach almost any topic in K-12 math and science. NSDL has constructed the following collections of "resource packs" for teaching to particular K12 subject areas, drawing resources from NSDL Pathways and other NSDL projects, and gathering these topical resource sets into a single location. (Author: Laura Moin) Atomic Structures Energy Evolution Mathematics Water Quality

The National Park Service Air Resources Division in an effort to increase the public's awareness of air quality issues has developed a series of five activities for elementary and secondary schools. The activities are for grades six through eight and help teach students about Acid Rain. The lesson plan was prepared as a part of The Uplands Field Research Laboratory, Volunteer in Parks, and Interpretation of Science Project. Funding was provided by the Great Smoky Mountains Natural History Association.

We're taking a systems approach to learning about the Earth using real scientific data. Our goal is to design easy-to-use curriculum activities and simple, intuitive computer interfaces for accessing online data. It's all part of a NOAA-supported effort called the NODE Project.