Discusses three areas of catalysis: homegeneous, heterogeneous, and enzymatic. Explains fundamentals and economic impact of catalysis. Lists and discusses common industrial catalysts. Provides a list of 107 references. (MVL)

Discusses the problems of grading an organic laboratory course. Proposes that the grade should be based as: products--30 percent of the grade; notebooks--30 percent of the grade; exams and final report--40 percent of the grade. Gives an exception policy for special considerations. (MVL)

Describes two demonstrations: 1) the effect of polarity on solubility using sodium dichromate, TTE, ligroin, and water to form nonpolar-polar-nonpolar layers with the polar layer being colored; 2) determination of egg whites to be yellow by determining the content of yellow colored riboflavin in the egg white. (MVL)

States that students have misconceptions about the principles of mechanics internationally providing examples and two problems. Describes Nachtigall's program to train teachers and reports its application to classroom teaching. (YP)

Examines the interaction between mode of computer assisted instruction and cognitive style on the understanding of concept relationships and mastery of factual information. Finds learners are more effective when matched to the appropriate mode of computer assisted instruction. (MVL)

Recounts events leading to the existence of an organization for biology teachers. Cites data on the status of biology teaching in the United States. States that the association has been concerned with accuracy of course content, facilities, curriculum, instruction, and teacher preparation. (RT)

Examines the change and general view of methods in biological science and the possible consequences for biology education. States that the transition was from descriptive biology to theoretical biology. Lists the postulates of some theories. (RT)

Describes an engineering course for graduate study in random media. Summarizes random media as bulk properties of ordered and disordered two-phase materials. Gives course outline for one semester. Topics include: disordered systems, microstructure determination, survey of models, connectivity, and effective properties. (MVL)

Results of an experimental study involving 49 sixth-grade science students suggest that teacher-constructed graphic organizers, regardless of position (before or after textual reading), are no more effective than traditional instruction in increasing comprehension and retention of science content-area information. (IAH)

Discusses a research project that uses artificial intelligence techniques to help teach programing. Describes principles and implementation of the LISP Intelligent Tutoring System (LISPITS). Explains how the artificial intelligence technique was developed and possible future research. (MVL)

Discusses the implementation of a software system that allows teachers to take advantage of large banks of questions in subject areas. Explains that this plan is the result of a 1981 court mandate to standardize learning outcomes. Follows the development of the system and choosing of the software. (MVL)

Summarizes the sources, statistical methods, and general findings from the review. Poses findings on specific questions of research. Gives implications of past research for the future. (MVL)

Criticizes astrology and uses student interest to help encouraging critical thinking and the scientific method. Provides some thought-provoking questions, three activities, and resource materials and a list of astronomy organizations. (YP)

Describes the experience of an author who initiated a prison education program to foster self-worth and personal pride through learning. Explains the teaching program, security and classroom instruction, and inmate-student characteristics. (RT)

Describes a multidisciplinary unit which uses 12 varieties of apples. Explains activities for observing, predicting decay, art and science, the process of fermentation, and group and individual projects. Information on description of apples and labeled diagrams are included. (RT)