Presented are two applications of computer technology to chemistry instruction: the use of a spreadsheet program to analyze acid-base titration curves and the use of database software to catalog stockroom inventories. (CW)

Described is an analytical method that may be used to replace the more difficult, traditional approach for the analysis of silicates. It is argued that this method allows the use of smaller samples and is more sensitive than other techniques. (CW)

Presented are 14 student worksheets for use in teaching about environmental conservation. Topics of these games, puzzles include pollution, rainforests, endangered species, habitat destruction, and solid waste. An answer sheet for teachers is included. (CW)

Introduces three laboratory exercises which develop an understanding of principles of mechanics by using examples of bicycle operation: Newton's laws, statics and dynamics, and energy relationships. Describes related theory and laboratory procedures with diagrams and pictures in each exercise. (YP)

Presented are lessons which bridge the gap between concrete and abstract ideas by introducing students to the valuable idea of scale as it relates to space science. Included are information and activities on relative size, position, and orbital patterns of planets using mathematics to construct models. (RT)

Summarizes the capabilities of a computer program related to forest fertilization. Provides a description of input parameters, some sample exercises, software specifications, and availability information. Additional references are listed. (Author/RT)

Discusses the diversity of rain forest life, the adaptations of rain forest plants and animals, and ways these organisms interact. Includes activities on canopy critters with a copyable sheet, rain forest revue, design a plant, and jungle sleuths. (RT)

Presents four articles dealing with chaotic systems. Lists sources for nine demonstrations or experiments dealing with self-organization. Provides a vocabulary review of self-organization. Describes three chemical oscillator models. Discusses the role of chaos in flow systems. (MVL)

Describes the layout, working principle, and uses of an ultrasonic interferometer for demonstrating the impact of the motion of the medium upon wave propagation. Suggests some technical improvements of the interferometer. (YP)

Describes the use of oceanographers' models for introducing students to the concept of mathematical modeling. Outlines a lesson showing the interrelationship of science and mathematics. (RT)

Develops a realistic group problem-solving exercise to analyze information, make deductions from presented facts, draw conclusions, and communicate these processes to others. Describes the national education system of New Guinea, the exercise, and some comments. Provides a technical and economic report and a worksheet for the exercise. (YP)

Discusses instruments for measuring interest in biology: "Interest in Science Topics"; "Learning Mode Preference"; "Interest in Scientific Activities"; "Activities Motives Inventory"; "Interest in Social Aspects of Science"; "Career Orientation Inventory"; and "Attitude toward Biology Study." Concludes that interest in biology may be…

Discussed is a method of measuring the coefficient of linear expansion of a solid. Getting many data points, using a computer program using the least square fit technique, and modifying the apparatus are described. (YP)

Discusses the computer's role in schools comparing past expectations with present status. Summarizes the constructionist approach and an opponent's claim. Provides eight examples of innovative approaches for using computers in school. (YP)

Described are six activities for elementary and middle school students designed to encourage them to think about careers in engineering. Instructions and materials are discussed. (CW)