Discusses chemical vapor deposition epitaxy on patternless and patterned substrates for an electronic materials processing course. Describes the processs types and features of epitaxy. Presents some potential problems of epitaxy. Lists 38 references. (YP)

Investigated was the mathematical content of 15 college-level physical-geology textbooks published in the period 1980-90. A list of textbooks is provided. Methods, comparisons with other fields of science, and the treatment of specific geological concepts are discussed. (CW)

Described is a chemistry program for high school students in rural Pennsylvania administered by Juniata College. Support, programing, equipment, and management of this van-based program are discussed. The positive effects on the students, teachers, and the college community are stressed. (CW)

Discusses the use of an individually designed experiment for a chemical engineering laboratory course. Lists main ideas of the method. Provides an example of the experiment including ways to answer the questions and extensions. (YP)

Described is a slide set which is designed to illustrate the entire range of soils found in the arid regions of the earth's surface. Information on physical and chemical soil properties, soil classification, and related soil management considerations for agricultural development are included. (CW)

Explores the power transfer using (1) a simple electric circuit consisting of a power source with internal resistance; (2) two different mechanical systems (gravity driven and constant force driven); (3) ecological examples; and (4) a linear motor. (YP)

Describes experimental procedures to produce magnetic fields with a thermocouple. Provides diagrams showing the apparatus, tables of experiment data, and background information on the theory. (YP)

An open format in which students keep log books to help them become more active in the learning process is discussed. Included are creative thought and language, visualization, and using writing to learn how to learn. Examples of student writing are provided. (CW)

Several examples of coevolution which can be used in biology classes are presented. Discussed are evolutionary processes in general, giant cacti, and reptile and cacti association. The effects of human interference are briefly described. (CW)

Investigated was the relation between student ability to translate sentences into equations, equations into sentences, and student performance in formal operational reasoning, proportional reasoning, and introductory-level chemistry. Results indicate that students who lack formal operational skills may experience problems in the translation of…

Discusses a group project for a physics laboratory using various pendulums. Presents diagrams of pendulums, describes how to make a pendulum, and provides suggestions for guiding students in the laboratory. (YP)

Describes three experiments with an air table to produce a centripetal force. Provides some diagrams and pictures of the apparatus. (YP)

Discusses the general construction of an air track. Describes three demonstrations including elastic collision, forced oscillators, and coupled oscillators. Provides a diagram and four pictures. Suggests how a similar exhibit could be constructed with a modest budget. (YP)

Answers the question about the crown effect of a liquid drop. Describes the concepts of surface tension, irregularities, and pinch effect. (YP)

Describes the problem-solving behaviors of experts and novices engaged in solving seven chemical equilibrium problems. Lists 27 behavioral tendencies of successful and unsuccessful problem solvers. Discusses several implications for a problem solving theory, think-aloud techniques, adequacy of the chemistry domain, and chemistry instruction.…