Presents an undergraduate quantitative analysis experiment, describing an atomic absorption quantitation scheme that is fast, sensitive and comparatively simple relative to other titration experiments. (CS)

Reassesses a common textbook misconception that "...phenols cannot be esterified directly." Results of experiments are discussed and data tables provided of an effective method for the direct preparation of phenyl acetate. (CS)

Describes an advanced inorganic experiment employing the Faraday magnetic susceptibility system. (CS)

The relative saliency of social comparison and anxiety reduction as motives for interpersonal affiliation was examined in nearly 100 Chicano and Anglo adolescents. The experiment's failure to replicate the findings of Darley and Aronson was probably due to lack of functional equivalence across cultural groups. (Author/GC)

Lists eight guidelines for the use of live animals at the pre-university level adopted by the National Association for Biology Teachers in March 1980. (CS)

Describes an experiment in which a recycling oscillator has been designed having a fiber optic data link that closes the loop. Outlines the use of this wink-around system to determine the speed of light and suggests additional application for measuring integrated circuit propagation delays to subnanosecond resolution. (GS)

Describes an undergraduate experiment designed to verify quantitatively the effect of a dielectric fluid's dielectric constant on the observed wavelength of microwave radiation propagating through the fluid. The fluid used is castor oil, and results agree with the expected behavior within 5 percent. (Author/CS)

Using the hydrolysis of crystal violet dye by sodium hydroxide as an example, the theory, apparatus, and procedure for a laboratory demonstration of tubular reactor behavior are described. The reaction presented can occur at room temperature and features a color change to reinforce measured results. (WB)

Notes how laboratory experiences can help elementary school social studies pupils understand concepts such as cultural awareness, career education, advertising techniques, map and globe skills, music, transportation, and landforms. For each concept, information is presented on objectives, activities within a laboratory setting, and evaluation…

Presents a six-step problem-solving process which the author has used to present creative science investigations to fourth, fifth, and sixth graders. (Author/SJL)

A group of teachers' advisers and college tutors became interested in developing some "safe" science activities for junior high school physically handicapped students. A series of pacakage experiments on approximately 30 scientific principles were tested for potential drawbacks for the handicapped child. Several experiments are described. (SBH)

Presents results of a two-year study regarding factors causing student difficulties in performing investigative activities in a beginning biology course. Also investigates the usefulness of written guidelines in alleviating these difficulties. A model for student investigations is proposed. (CS)

Describes how the home toilet tank can be used as either a classroom problem or experiment that provides a simple introduction to process control. (HM)

Reports results of a questionnaire surveying opinions of university chemistry departments (N=34) that used integrated experiments in lower- and upper-level chemistry courses. Reviews general problems and advantages inherent in the use of this kind of experiment, which brings together material from several different areas of chemistry. (CS)

Describes a physical chemistry laboratory experiment that illustrates the concepts of inductive and resonance effects by the calorimetric determination of the heats of protonation of pyridine, 2-chloropyridine, and 3-chloropyridine. (CS)