One of twelve water treatment technology units, this student manual on general plant operations provides instructional materials for seven competencies. (The twelve units are designed for a continuing education training course for public water supply operators.) The competencies focus on the following areas: water supply regulations, water plant…

The document comprises a collection of speeches and seminar reports arising from the 25th anniversary celebration of the Institute of Adult Education at the University of Ghana. The theme of the celebration, introduced in the first chapter, was Adult Education and Man's Environment--the Next Quarter-Century. The second chapter comprises the…

The operation of several coal mines with vast proven reserves on the Navajo reservation is a manifestation of conflict between: a power hungry external world; the preservationist attitudes of traditional Navajo culture; the disadvantaged socio-economic status of the average Navajo wage earner; and the Navajo Nation's long term needs for internal…

Within the region from New York to Virginia are many rural areas where the natural environment has been destroyed. State, Federal and local funds have been made available to aid in future planning and development designed to protect and conserve the natural resources and environment of these areas. The conclusions and recommendations reported were…

Discusses characteristics of instructional modules that deal with the relationship between science, technology, and society (STS). Provides reviews of 14 print modules and one video that cover such topics as air and water quality, consumer science, genetics, nuclear energy, space, and technological issues. (TW)

Discusses some of the ways that local school systems are dealing with federal and state safety, health, and environmental laws with regard to the disposal of hazardous substances. Recounts the experiences of the Fairfax County (Virginia) Schools in dealing with the hazard communication (or right-to-know) standard. (TW)

The 48 maps and descriptive narratives in this atlas of the Navajo Reservation are divided into six sections. Part I, Navajo Country, displays Navajo land in relationship to the United States and the region, and becomes more detailed to place locations within the Dine Bikeyah, or Navajo Land, including administrative and political subdivisions of…

The Water in Africa Project was realized over a 2-year period by a team of Peace Corps volunteers, World Wise Schools (WWS) classroom teachers, and WWS staff members. As part of an expanded, detailed design, resources were collected from over 90 volunteers serving in African countries, photos and stories were prepared, and standards-based learning…

Contrary to what many students think, heat flows from hot to cold. Working in groups of 3-4, students investigate the properties of insulators in attempts to keep a cup of water from freezing and, once it is frozen, to keep it from melting. This activity requires a 4.5-hour time period for completion. (Author/SOE)

Describes the development and evaluation of an interactive videodisc designed for Open University students in a physics course that explores the physical properties of water. The user interface is discussed; software is described; videodisc production is explained; and results of an evaluation of student attitudes from questionnaire responses is…

Discusses the role of interactive multimedia in museums; describes the development and design at the New Mexico Museum of Natural History of a multimedia program on water conservation; analyzes the effect of the presence of audio on the users' completion of the program; and discusses evaluation of the program. (10 references) (LRW)

Presented are 20 science activities for students K-12. Topics include role playing, similarities between urban and forest communities, ecosystems, garbage, recycling, food production, habitats, insects, tidal zone, animals, diversity, interest groups, rivers, spaceship earth, ecological interactions, and the cost of recreation. (KR)

Presented are 38 environmental education activities for grades K-12. Topics include seed dispersal, food chains, plant identification, sizes and shapes, trees, common names, air pollution, recycling, temperature, litter, water conservation, photography, insects, urban areas, diversity, natural cycles, rain, erosion, phosphates, human population,…

Reviews two documentaries produced by the U.S. government: "The Plow That Broke the Plains" (1936) and "The River" (1937). The first examines soil erosion in the Great Plains; the second considers Mississippi River usage. Narrates storylines and explains initial film criticism. Highlights the films' effectiveness for teaching…

Describes an activity measuring the amount of dissolved carbon dioxide in carbonated water at different temperatures. The amount of carbon dioxide is measured by the amount of dilute ammonia solution needed to produce a pH indicator color change. (PR)