Describes the International Association for the Evaluation of Educational Achievement Science Project, the procedures used to select the Australian samples, and presents some of the univariate data on understanding of science, science cognitive achievement, and biographical information for two samples: 14 year-old students and those in the final…

A series of short articles providing ideas for the use of electronic apparatus, demonstrations of magnetic fields, demonstrations of the conservation of momentum, and a new idea for an investigation of a black box.'' (AL)

Short articles describe the production, photography, and analysis of diffraction patterns using a small laser, a technique for measuring electrical resistance without a standard resistor, a demonstration of a thermocouple effect in a galvanometer with a built-in light source, and a common error in deriving the expression for centripetal force. (AL)

The author describes a special experiment making peanut brittle and amusing activities based on chemical nomenclature used as motivational tools. (CP)

Summarizes the recommendations of the International Union of Pure and Applied Chemistry on inservice education for science teachers and summarizes the situation in Australia. (AL)

Points out common misconceptions, especially the idea that pollination in flowering plants corresponds to fertilization in animals. Gives history of understanding of plant sexuality, then summarizes modern view. Suggests we teach accurately or not at all. (EB)

Presents the procedures, results, and conclusions of a study designed to determine whether team teaching or conventional instruction produced greater achievement in high school biology. Subjects involved 17 teachers in 6 teams and tenth grade students enrolled in the New York Regents biology courses at 6 schools in the Rochester Metropolitan Area.…

Describes the general features of the feedback classroom, and its uses in the teaching of Physics. Circuit diagrams for the construction of control and response units are presented. The use of these units in evaluating student achievement is described. (LC)