This volume of Resources in Technology contains the following eight instructional modules: (1) "Processing Technology"; (2) "Water--A Magic Resource"; (3) "Hazardous Waste Disposal--The NIMBY (Not in My Backyard) Syndrome"; (4) "Processing Fibers and Fabrics"; (5) "Robotics--An Emerging…

While much of the drinking water in the United States is safe for consumption, protecting its quality and assuring its availability are becoming increasingly difficult. This booklet is written for individuals and groups who are concerned about the drinking water in their communities. It provides a general introduction to the complex issues of…

This module (recommended for grades 5 or 6) provides information on water in the community. Topics considered include: safe water (showing how clear water may be unsafe to drink); water sources; drinking water and wells; clean water underground; how water gets from the ground to the faucet inside a home; the groundwater of seaside and inland…

Nonpoint source pollution is both a relatively recent concern and a complex phenomenon with many unknowns. Knowing the extent to which agricultural sources contribute to the total pollutant load, the extent to which various control practices decrease this load, and the effect of reducing the pollutants delivered to a water body are basic to the…

Biological waste treatment in the activated sludge process is based on the ability of microorganisms to use dissolved oxygen in breaking down soluble organic substances. The oxygen uptake test is a means of measuring the respiration rate of microorganisms in this process. Designed for individuals who have completed National Pollutant Discharge…

Discusses the Environmental Stewardship Program and other government programs involving Canada's commitment to foster the practice of environmental citizenship in day-to-day activities. (MDH)

It may surprise students to realize that health problems in other countries affect them, too. Where people live and the conditions under which they live directly affect their health. The health of a population can also offer insight into a region's social, political, and economic realities. As a powerful lens into how human societies function,…

Educators of students grades 4-8 can use this guide to lead a community service project using the "Give Water a Hand" youth action program. Youth groups investigate water and water conservation within the home, farm, ranch, school, or community, with the help of local experts. The guide contains six chapters that cover: (1) an…

The present study examined the cognitive factors that influence children's physical science learning from a multimedia instruction. Using a causally coherent text and visual models, we taught 4th- and 7th-grade children about the observable and molecular properties of the three states of water. We manipulated whether the text was read by a tutor…

Discusses the chlorination of water supplies. Includes a description of the chemical species present due to chlorination, and the dangers of and alternatives to the chlorination of water systems. (MLH)

Reorganization of authorities resulting in sound direction, greater flexibility, and more attention to cost effectiveness has helped the British achieve a high quality of water service. The history and development of British water management are reviewed and more cooperation between federal and state agencies is encouraged. (BT)

Participants in the D-19 symposium on aquatic sampling and measurement for water pollution assessment were informed that determining the extent of waste water stream pollution is not a cut and dry procedure. Topics discussed include field sampling, representative sampling from storm sewers, suggested sampler features and application of improved…

This pamphlet utilizes illustrations and captions to indicate the demands currently made on our water resources and the problems associated with that demand. Current and future solutions are described with suggestions for personal conservation efforts to help provide enough clean water for everyone in the future. (CS)

Descriptions of and suggestions for waste water pump installation and maintenance are given. (MR)