Describes techniques for demonstrating equilibrium and chemical trends in the periodic table. (SL)

Describes the construction of an inexpensive visual aid to be used for explaining the dynamics of gases. (CP)

Provides the theory behind the construction of a classroom seismograph. Data obtained from such a device is presented. (CP)

Stresses that non-verbal as well as verbal behavior must be considered in interaction analysis. Cites examples of behaviors that are interpreted differently by various cultures. (CP)

Discusses continuing problems with universal adoption of an international system of units--particularly the confusion over weight and mass. Suggests a remedy to the situation. (CP)

Provides a brief description of the physiology of the human ear. The effect of sustained noise levels on hearing loss is discussed, as well as the establishment of maximum noise levels for American industries. (CP)

A survey of 167 chemistry professors was conducted to answer this question. Results pointed toward more concentration on mastery of basic concepts such as stoichiometry and problem solving while striving for greater relevancy to current societal problems. (CP)

Reports that over-grazing and unsound agricultural practices are increasing the world-wide amount of uninhabitable land. Cites some practices which have been used to successfully reclaim arid land areas. (CP)

Reports the results of an investigation of sex stereotyping in 17 high school chemistry textbooks. Results indicate definite sex bias in all books reviewed with a greater portrayal of male roles and activities. (SL)

Describes a secondary level program which offers science as an elective program based primarily on student interest. (SL)

Describes a computer-assisted chemistry program which allows for individualization and which utilizes BASIC computer programming. (SL)

Presents a holistic model of science curriculum which utilizes the student's science interest as a starting point. (SL)

Discusses the nature of science and addresses the question of why scientific knowledge cannot be absolute. (SL)

Described are a method of cultivating Euglena, a method for presenting and solving mole equations, and a design of a simple solar collector. (SL)

Described are methods for making Cartesian divers for explaining atomic models utilizing a city planning analogy, a game for reviewing subject matter, the construction of a cell model, an improved diffusion demonstration, and uses of inexpensive glass cutters. (SL)