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

Suggests use of the planarian D. Dorotocephala, an animal 20 mm in size, in order to provide inexpensive lab experiences for students in large introductory psychology courses. The animal can be used to study perception, memory, behavior modification, and group processes. (Author/AV)

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

Provides a series of learning center activities which demonstrate concepts about air. (CP)

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

Describes two experiments for a sophomore level organic chemistry utilizing commercially available borane-methyl sulfide (BMS). (SL)

Describes experiments in the measurement of resonances in a nuclear reaction and the measurement of elastic scattering cross section. (SL)

Reviews the SDS-polyacrylamide gel electrophoresis technique for the separation of proteins and determination of their molecular weights. (SL)

Presents a laboratory project in which students analyze quantitatively organic and inorganic industrial waste. (SL)

Presents a biochemistry laboratory experiment in enzymology using polyphenoloxidase or tyrosinase. (SL)

Describes an undergraduate spectroscopy laboratory experiment involving the absorption spectrum of benzene. (SL)

Describes an undergraduate experiment using nmr spectroscopy to study rapid exchange reactions in solutions in which reaction rates are varied by adjusting reagent concentrations. (SL)

Presents an experimental method for introducing special relativity which utilizes the distinction between Doppler effects for sound and for light. (SL)