Reports the procedures and results of a student investigation of the performance of a miniature diesel engine. The experiments include (1) torque measurement, (2) power measurement, and (3) variation of power output with applied load. Bibliography. (LC)

Describes the use of computers equipped with plotters to predict tides using the known period, phase, and amplitude of the major tidal components. Other demonstrations and projects are described. (RR)

A microcomputer was used successfully to replicate Sternberg's 1966 study of retrieval from short-term memory and Sperling's 1960 study on sensory or iconic memory. Computers with a capacity for measuring reaction time are useful in the laboratory for introductory psychology courses. (SR)

A laboratory project introduced physiological psychology students to research by requiring them to identify an unknown drug given to laboratory animals. Students read material about drugs and animal drug studies, designed behavioral tests, constructed the testing apparatus, conducted the tests, and wrote progress reports. (SR)

A laboratory experiment that demonstrates the effects of various dental materials on a representative enzyme from the pulp is outlined. The experiment encourages students to consider the effects that various restorative materials and techniques might have on enzymes in the living pulp. (Author/MLW)

A two-part project involving critical thinking and writing skills focuses on a small crustacean and the scientific method. (Editor)

Gives an explanation to the process of charging the conventional leaf electroscope, by induction, using a charged insulated rod. (GA)

Describes an experimental technique for determining liquid dielectric constants by measuring the rise of the liquid in a paralled-plate capacitor at a known voltage. (MLH)

Describes seven computer simulations of laboratory experiments that allow students to direct experiments, make observations, and record data. (MLH)