This manual contains the textual material for a three-lesson unit which introduces students to the basic concepts applicable to all biological treatment systems. The general topic areas addressed in the lessons are: (1) the microorganisms found in biological systems; (2) the factors that affect the growth and health of biological systems; and (3)…

In order for students to be helped effectively to complete their writings successfully, writing centers in schools need to become more adept at "context based response." That is, writing centers need to focus not just on clarity and correctness of writing but also on the content of the assignment that students are working on. This type…

This lesson describes three different types of sludge lagoons: (1) drying lagoons; (2) facultative lagoons; and (3) anaerobic lagoons. Normal operating sequence and equipment are also described. The lesson is designed to be used in sequence with the complete Sludge Treatment and Disposal Course #166 or as an independent lesson. The instructor's…

The oxygen profile procedure is a means of measuring the oxygen concentration at various locations in a basin. By dividing the surface of a basin into sections and then establishing sample points on the surface, at mid-depth, and near the bottom, a waste water treatment plant operator can measure and plot dissolved oxygen data which can be plotted…

A 3-year project to establish a college-level interdisciplinary computer center/scientific laboratory for the social sciences is described. The purpose of the project was to improve education in empirical and behavioral research methods. The center consists of computing facilities, a survey research facility, a simulation/gaming facility, and a…

A proposal is presented for a Community College of Philadelphia course, entitled "Medical Office Laboratory Procedures," which provides a laboratory introduction to microscopic and chemical analysis of blood and urine as performed in the physician's office. Following a standard cover form, a statement of the purpose of the course discusses course…

Describes the experience of some EFL teachers in producing a slide-tape program of practice drills in forming questions. (KM)

Described is an independent study project for students in chemistry at New College, Sarasota, Florida. Six students collected and analyzed local plants to determine content of alkaloids, terpenes, and flavonoids. (RH)

The establishment of a mathematics laboratory, staffed mainly by volunteer parents, is described. Later college student volunteers and a paid aide were added. Organization, training sessions, materials, problems, and evaluation are discussed. (LS)

Reports that there are currently three companies that own mobile physical-chemical wastewater treatment vans that investigate such parameters as chemical coagulation, sedimentation, sand filtration and carbon adsorption. Information is provided regarding the potential of utilizing this type of facility and rental agreements. (MLB)

Four major types of games using two sets of materials (Logical Blocks and word cards) are described: free play with the materials; organization of materials; relations games; and classification by one, two, or three attributes simultaneously. (DT)

Described UCLA's University Elementary School and its unique plan for a training component of a credential program. (Author/RK)