Compares average displacements of charged particles under thermal motion alone with those obtained by the action of an external electric field to develop a concept of "apparent charge" to approximate actual structural charge in an electrolyte solution. (SL)

Describes an experiment in which students determine the level of cholesterol in serum. (SL)

Reviews recent developments in chromatographic instrumentation. (SL)

Describes the Elastically Structured Teaching (EST) method of instruction employed at West Virginia University which gives students more freedom than does traditional lecture, but which is not totally self paced. (SL)

Discusses the determination of eutectic composition, the mathematics of chemical equilibrium, the wave functions of one-electron orbitals, and the use of pharmacological agents in introductory chemistry courses. (SL)

Describes experiments involving the synthesis of compounds which exhibit pronounced color changes with changes of solvent polarity. (SL)

Describes an undergraduate analytical laboratory experiment demonstrating the use of masking to obtain selectivity in complexometry. (SL)

Describes a time saving, computer-scored, programmed tests procedure under development at Purdue University. (SL)

Describes a course addressing the social consequence of engineering work and the contributions of technology to societal problems. (SL)

Reports results of a survey concerning the opportunities for graduates of engineering technology programs to transfer into regular engineering programs. Career opportunities are also considered. (SL)

Describes a one semester physics laboratory course which requires students to play roles of scientists, researchers, and technicians. (SL)

Describes an introductory individualized physics laboratory system for science and engineering students. (SL)

Describes four science experiments relating to energy developed for interdisciplinary general science courses. (SL)

Discusses the introduction of element evolution and isotopic composition as topics for introductory chemistry courses. (SL)

Describes an experimental procedure for illustrating general principles of photochemical reaction kinetics. (SL)