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Pierzynski, Gary M.; Vaillant, Grace C. – Journal of Natural Resources and Life Sciences Education, 2006
The cumulative result of almost 100 years of mining, milling, and smelting has left areas of Jasper County, Missouri, contaminated with high levels of the trace metals Pb, Cd, and Zn. The site was listed on the National Priorities List in 1990 and is now known as the Jasper County or Oronogo-Duenweg Mining Belt Superfund Site. The U.S.…
Descriptors: Ecology, Risk, Environmental Education, Toxicology
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De Jong, Marvin L. – Physics Teacher, 2006
Oceantides are not typically high in our consciousness here in Missouri, but in teaching astronomy and physical science the subject always comes up, and teachers of physical science and astronomy are all quite familiar with the textbook explanations. Our goal here is not to explain tides but to make some suggestions about how, on their own,…
Descriptors: Introductory Courses, Evidence, Hypothesis Testing, Schematic Studies