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Direct linkValauri-Orton, Alexis; Bernd, Karen K. – American Biology Teacher, 2015
For many middle school students, connections between their lives and concepts like chemical reactivity, microbial contamination, and experimental sampling are not obvious. They may also feel that, even if there were connections, understanding the monitoring and quality of natural resources is something for grown-ups and beyond their…
Descriptors: Middle School Students, Secondary School Science, Microbiology, Chemistry
Glickstein, Neil – American Biology Teacher, 2006
Bacterial loading in water from anthropogenic sources is of common interest in both student research projects and to regulatory agencies. The presence of fecal coliform bacteria in natural waters can be the deciding indicator for how the bodies of water are classified for use. Since current tests are not specific, it is difficult to determine…
Descriptors: Microbiology, Water Quality, Water Pollution, Environmental Standards
Stewart, Arthur J.; Ryon, Michael G. – American Biology Teacher, 2003
Gill-breathing freshwater snails (Family "Pleuroceridae") are ecologically important, abundant in many streams in the United States, and easy to collect and maintain under classroom conditions. These snails can be used in classroom tests to demonstrate effects of pollutants on aquatic organisms. In more advanced classes, students can cage the…
Descriptors: Water Quality, Environmental Education, Field Tests, Earth Science
Peer reviewedLennox, John E.; And Others – American Biology Teacher, 1983
Discusses microbial production of methane from biomass. Topics include methogens (bacteria producing methane), ecology of methanogenesis, methanogenesis in ruminant/nonruminant and other environments, role of methanogenesis in nature, and methane production in sewage treatment plants. Also discusses construction of methane digesters (and related…
Descriptors: College Science, Ecology, Fuels, High Schools
Peer reviewedWilkes, James W. – American Biology Teacher, 1983
Since 1977, six different classes of Ashland High School (Ohio) biology students have been monitoring a local river for the presence of sewage treatment plant effluent. Several project results, physicochemical parameters, and data on biota collected at two stations are presented. (JN)
Descriptors: Biology, High Schools, Measurement Techniques, Outdoor Activities
Peer reviewedStubbs, Harriett S. – American Biology Teacher, 1983
Provides an outline of course content for acid precipitation and two acid rain activities (introduction to pH and effects of acid rain on an organism). Information for obtaining 20 additional activities as well as an information packet containing booklets, pamphlets, and articles are also provided. (JN)
Descriptors: Animals, Biology, Course Content, Ecology
Peer reviewedHershey, David R. – American Biology Teacher, 1993
Describes how lectures, laboratories, and role playing can be used to introduce students to the importance of water quality of water used for plant growth. (PR)
Descriptors: College Science, High Schools, Higher Education, Learning Activities
