Describes a laboratory exercise which applies Koch's Postulates to a plant disease, bacterial speck. Includes an explanation of Koch's Postulate, list of equipment needed, advance preparation, outline of the three-week activity, and variations of the laboratory exercise. (DS)

Presents transcripts of freshmen engineering majors solving elementary physics problems to examine some limitations of formula-centered approaches to problem solving. Although students use formulas successfully, the qualitative conception of the underlying physical situation is weak. Results from written tests indicate that this phenomenon may be…

Reports the past use reactions to and experiences of teaching at remote locations through the use of electronic blackboards. Includes discussions of: (1) the equipment and its operation; (2) strengths of the system related to both remote and in-class students; and (3) mechanical, pedagogical, and psychological limitations. (SK)

Addresses the issue of possible conflict of interest between women's values and the values of science, including such topics as the liberal ideology of science, questioning science as a source of authority, scientific objectivity, and possibilities of a feminist science. (DS)

Examines the nature of laser light. Topics include: (1) production and characteristics of laser light; (2) nine types of lasers; (3) five laser techniques including holography; (4) laser spectroscopy; and (5) laser fusion and other applications. (SK)

Describes (1) a rippler assembly which makes use of a loud speaker and a stroboscopic light source designed for this application; and (2) an experiment using a force table that has been modified for a capstan experiment. (JN)

Described are some experiments on geotropism that may be done using dandelions. (PB)

Briefly reviews the early history of industrial microbiology and discusses industrial fermentation practices and the role of recombinant DNA in the fermentation industry. (SK)

Presented are the author's impressions of the status of chemical education during the period from the mid-fifties to late sixties. (HM)

Discussed are strategies of problem solving in chemistry teaching. This paper consists of three sections: (1) an assessment of the ways in which problem-solving skills are currently taught; (2) various techniques for problem solving; and (3) recommendations for improving problem solving. (HM)

Ascertained were the effects of an individualized instruction method, audiotutorial (AT), on the cognitive achievement in biology of prospective general primary grade teachers. Used as a control was a conventional lecture-laboratory format of instruction. Results indicate that the prospective teachers appeared to gain more from AT instruction than…

Described is a physiological model which solves a set of interacting, possibly nonlinear, differential equations through numerical integration on a digital computer. Sample printouts are supplied and explained for effects on the components of a cardiovascular system when exercise, hemorrhage, and cardiac failure occur. (CS)

Describes benefits of undergraduate research at the University of Maine in chemical engineering for students, faculty, and institution. Indicates reasons why such research is not encouraged. Lists general requirements for successful projects and reviews the performance of three well-managed projects. (SK)

Reviews a senior undergraduate research program in chemical engineering at Princeton University. Includes strengths and requirements for a successful program. Senior thesis research provides creative problem solving experiences for students and is congruent with departmental research objectives. Selected student comments are included. (SK)

Relates the study of geometric forms to the chemical structures of organic compounds, discussing isomerism and the occurrence of regular solids in chemical phenomena. (CS)