In this study, the effects of computer-assisted laboratory applications on pre-service science teachers' attitudes towards science teaching were investigated and the opinions of the pre-service teachers about the application were also determined. The study sample consisted of 46 students studying science teaching Faculty of Education. The study…

Industrial purification of biomolecules is commonly based on a sequence of chromatographic processes, which are adapted slightly to new target components, as the time to market is crucial. To improve time and material efficiency, modeling is increasingly used to determine optimal operating conditions, thus providing new challenges for current and…

Describes: (1) a microcomputer demonstration of autocatalysis; (2) a safe alternative to ethanol and methanol; (3) a simple condenser for test-tube reactions; (4) a new procedure for studying the magnetic properties of transition metal compounds; (5) plasticization of the polymer PVC; and (6) some thoughts on polybasic acids and their salts. (JN)

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)

Reports on acquiring and analyzing enzyme kinetics data using Apple microcomputers. Describes the experimental background and procedures, instrumentation, cautions, and construction aids. Cites applications which illustrate the use of a computer in a laboratory exercise. (RT)

Presents a computer program for use in teaching ion speciation in soil solutions. Provides information on the structure of the program, execution, and software specifications. The program estimates concentrations of ion pairs, hydrolytic species, metal-organic complexes, and free ions in solutions. (Author/RT)

Gives a review of four software packages including "Science Toolkit: Module 3--Body Lab" for measuring heart rate, lung capacity, and response time; "Project Zoo: Adventures with Charts and Graphs" for developing process skills; "The Body Electric" for explaining electrical activity in the body; and "M-ss-ng…

Describes how computer graphic methods can be used in teaching structural geology. Describes the design of a graphics workstation for the Apple microcomputer. Includes a listing of commands used with software to plot structures in a digitized form. Argues for the establishment of computer laboratories for structural geology classes. (TW)

Courseware was developed to facilitate knowledge transfer between lecture and laboratory for general chemistry at the University of Notre Dame (Indiana). One project uses a tutorial strategy. Another uses tool-based courseware for modeling and manipulation of simulated representations of chemical systems; worksheets guide student use of courseware…

Describes an interactive computer program written to provide accurate and immediate feedback to students while they are processing experimental data. Discusses the problems inherent in laboratory courses that led to the development of this program. Advantages of the software include allowing students to work at their own pace in a nonthreatening…

Reviews "Vernier Software: Precision Timer II" for high school through college mechanics. Introduces 14 different modes including pulse time, pendulum timer, bouncer timer, gate timer, collision timers, and stroke calibration. Provides two typical displays and ratings of the software. (YP)