Describes an experiment in which the rate of reaction can be followed using a colorimeter and data can be used to determine order of reaction, rate constant, and energy of activation. (GS)

Author relates how his school district taught elementary students to operate media equipment. (Author)

Describes an introductory course in geology for nonscience majors that involves students in laboratory exercises related to rock classification. (GS)

This simple example demonstrates the physical significance of similarity solutions and the utility of dimensional and asymptotic analysis of partial differential equations. A procedure to determine the existence of similarity solutions is proposed and subsequently applied to transient constant-flux heat transfer. Short-time expressions follow from…

This experiment leads to a value for the ground-state hyperfine splitting of Cs 133, the accepted standard of frequency, to one percent accuracy. (Author/GS)

Utilizes a rotating table and strobe photographs to provide students with a direct record for quantitatively analyzing rotational effects. (GS)

Reviews recent literature to argue that institutions of higher education have made little adjustments to either their admission practices or their curricula to help nurture varied talents among their students. The need for renewed spirit of experimentation and of tolerance of pluralism is pointed out. (Editor/PG)

Describes activities dealing with the surface tension of water designed to capture interest and raise questions in students. (BR)

Outlines the construction, basic principles, calibration, and laboratory application of a device for the investigation of static charge phenomena. (GS)