Maintains that the language laboratory is the best way to aid language students in developing linguistic competence. The laboratory equipment needed is described and a pedagogical program for its effective use is outlined. (Text is in Italian.) (CFM)

Describes a portable laboratory package in electronic engineering used to bring laboratory experimentation to extension and off-campus courses. (SL)

Provides 16 ideas and activities to promote safety awareness in school science programs. (SL)

Describes laboratory equipment which has been modified to accommodate visually handicapped students enrolled in regular university level laboratory science courses. (SL)

Described are the morphology, eating habits, and habitats of three types of Bryozoan colonies. Information on where to collect these organisms and how they can be cultured are included. Suggestions are given for lab experiments that can be done with type three colonies and Euglena. (MA)

Presents contributed laboratory techniques and demonstrations aids. (CP)

The goal of many colleges is to make the organic chemistry laboratory completely flameless by using electric heating equipment. Benefits of eliminating the Bunsen burner, electrical heating equipment and accessories, hazards remaining in flameless laboratories, and design standards related to laboratory liability are the major topic areas…

Considers the role of the laboratory in effective chemistry education. Lists hazards and testing programs which place more stress on lecture than laboratory. Cites reasons for the continuation and revitalization of the laboratory. (ML)

Introduces a bubble-making method for discussion about surface tension and thin film interference. Provides some pictures and list of materials for the apparatus. (YP)

Deals with a diffraction experiment using wrapping paper. Provides a magnified picture of the paper, a diffraction diagram, and some instructional information. (YP)

Traces the history of soil mechanical analysis. Evaluates this history in order to place current concepts in perspective, from both a research and teaching viewpoint. Alternatives to traditional separation techniques for use in soils teaching laboratories are discussed. (TW)

Examines the usefulness of cyclic voltammetry to the determination of a complex compound's stoichiometry. Discusses the experimental design, laboratory equipment, and results. (CW)

Offers suggestions for the development of a laboratory assistant program. Includes guidelines and factors to consider in the selection process and in the training program. Discusses the advantages of this type of program for both students and teachers. (ML)

Aspects of staffing analytical services in university research organizations are discussed, including university-industry comparisons of titles and classifications, recruitment, staff evaluation, salary administration, career ladders, and the staffing of various laboratories and other scientific facilities. (MSE)

Describes experiments designed to: (1) familiarize students with inert atmosphere techniques; (2) teach monitoring reactions with thin-layer chromatography and infrared spectroscopy, isolation, and purification by crystallization and column chromatography; (3) estimate product purity spectroscopically; and (4) characterize reaction products by…