Described in this study are student teachers' frameworks of purity and the related concepts of the states of matter. The concept of natural versus pure substances, classifying states of matter, and implications for teaching drawn from the results are discussed. (Author/KR)

Described are several spreadsheet templates which use the functions of iteration and logical look-up which allow students to calculate and graph quantum mechanical functions and to simulate rotational and vibrational energy level and spectra. The templates are listed in the appendix. (KR)

Described is an experiment which may be carried out quickly using tungsten-filament irradiation. Materials, experimental procedures, and results are discussed. Procedures for filtration on silica gel are appended. (CW)

Safety issues specifically related to the analytical laboratory are discussed including hazardous reagents, transferring samples, cleaning apparatus, eye protection, and equipment damage. Special attention is given to techniques which not only endanger the technician but also endanger expensive equipment. (CW)

Presented is the course outline and proposed science content for this course. The structure, sessions, and evaluation of the course are discussed. (CW)

The principle means by which g has been measured are summarized. Discussed are "Kater's Reversible Pendulum," falling rules, and interferometry methods. Types of corrections and various sources of uncertainty are considered. (CW)

Described is a spectroscope which can be easily constructed from a film canister. Instructions for building this equipment are provided. (CW)

The advantages of using videoconferencing in engineering education are stressed. Discussed are technological change, engineering practice, faculty development, educational effectiveness, and teleconferencing vendors. An example of a campus-based teleconferencing service is cited. (CW)

Described is a project designed to transport a rich fossil-bearing bed of rock to the campus of a community college for analysis by undergraduate students. The arrangements, set-up acquisition of rock, transportation, and costs are discussed. The benefits of this arrangement are highlighted. (CW)

Described is a course for nonscience majors that incorporates science and technology. Presented is a curriculum model for developing technological literacy which includes applied math, personal impacts, applied science, societal impacts, and technological systems and concepts. (KR)

Described is a curriculum survey of general chemistry courses at the college level and an evaluation survey of the advanced placement chemistry examination. Results indicated that the AP chemistry course should remain broad in coverage and should expand its laboratory component. Analyses also indicated that the AP exam was appropriate and valid.…

Analyzed was the performance of students on numerical versus conceptual chemistry problems in their freshman general chemistry course and their sophomore organic chemistry course. Data indicated that the ability to solve a problem did not necessarily imply an understanding of the concepts involved. (CW)

Described is a 35mm projector demonstration which combines the advantages a highly magnified view of the sample zone as it undergoes dispersion and the ability to show more than a single-line flow injection analysis manifold. Manufacture and use of the slide for demonstration are discussed. (CW)

The materials needed and the procedures for construction of the apparatus are detailed. Two experiments that use this equipment are suggested. Criteria for operation are listed. (CW)

Outlined is the development and use of oxidants for use in elementary organic chemistry classes. Discussed is the oxidation of alcohols to carbonyl compounds, and the oxidation of primary alcohols or aldehydes to carboxylic acids. (CW)