Discusses computer simulations for chemistry courses. Reviews a simulation program, "Evaluation of Bonding Theory: The Werner Jorgensen Controversy," and provides information regarding hardware requirements for the program. Presents the idea of an expert system including simulation modules and counselor modules. Describes some chemical examples, a…

Discusses an undergraduate course for developing interest in and skills for research. Provides a course outline and briefly describes each part of the outline. (YP)

Discusses the flotation method for the determination of the density of solids. Provides the stepwise experimental procedure with typical data tables and graphs. (YP)

Discusses criteria for writing, designing, and selecting a physics text including topics covered, target students, diverse problems, and focused content. (YP)

Described is a laboratory procedure for teaching seed stratification. Materials, methods, results, and applicability of the experiment are explained. Diagrams showing the percent of total germination as a function of stratification time and the germination rate of stratified seeds are included. (RT)

Provides a definition of the marine debris problem and a charge to the task force. Presents five general recommendations concerning: federal leadership, public awareness and education program, implementation of laws, research and monitoring, and beach clean-up and monitoring. (RT)

Reports that although excitation at 337nm is less than optimal, detection limits in the range 1-100pg/ml were found. Provides a calibration curve and results for seven organic compounds. (MVL)

Describes a science presentation which promotes various ways to improve laboratory safety. Recommendations for storing chemicals include: minimize the type and amount of stocked materials, purchase certain chemicals in small quantities, and use plastic embedments. Cites several books for reference. (RT)

Reviews a model used in the teaching of plate tectonics which includes processes and concepts related to: terranes and the amalgamation of terranes, relative plate motion and oblique subduction, the effects of continent-continent collision, changes in plate motion, plate configuration, and the type of plate boundary. Diagrams are included.…

Described is the situation in the field of continuing engineering education (CEE) in Europe, especially the European Society for Engineering Education and Helsinki University of Technology. The need and structure of the Professional Development degree is introduced. (Author/YP)

Molecular biology is defined and its status in secondary schools and colleges is discussed. Employment prospects in molecular biology in Britain are described. (CW)

Criticized in this response is research published previously in "The Journal of Environmental Education." Considered are the limitations of the project, experimental design, control of variables, and the use of the case study approach. Includes 35 references. (CW)

Describes a photochemistry experiment designed to introduce photochemical techniques and experience free radical chemistry. Selects Nuclear Magnetic Resonance spectroscopy for the analysis. This activity is suggested for use in an upper level undergraduate organic course. (MVL)

Evaluates five courseware packages covering the topics of Newton's laws and seven courseware packages for work, energy, momentum, and conservation laws. Discusses the price, sub-topics, program type, interaction, time, calculus required, graphics, and comments of each courseware. Selects some packages based on the criteria. (YP)

States that an expanding future in space requires new technology. Stresses that from engineering education, space requires people with a fundamental knowledge of modern science instruments, all engineering sciences, an appreciation and capability for detail and systems design, and an understanding of costs and competitiveness, machines, materials,…