Tips that laboratory researchers and beginning graduate students can use to safeguard against explosion hazard with emphasis on clear illustrations of molecular structure are discussed. Those working with hazardous materials must proceed cautiously and may want to consider alternative and synthetic routes.

This paper describes a student-focused activity that promotes effective learning in analytical chemistry. Providing an environment where students were responsible for their own learning allowed them to participate at all levels from designing the problem to be addressed, planning the laboratory work to support their learning, to providing evidence…

This study compares learning success of online and on-campus students in a general education soil science course with lab and field components. Two terms of students completed standardized pre- and postassessments designed to test knowledge and skills from the lecture and lab content of the course. There was no difference in overall grade or lab…

The objectives of this study were: to investigate biology students' perceptions of the classroom and the laboratory learning environments by means of the Questionnaire on Teacher Interaction (QTI) and the Science Laboratory Environment Inventory (SLEI) instruments and to compare these perceptions with the environments ideally liked or preferred by…

Students enrolled in an introductory, audio-tutorial biology course were randomly assigned to either the control group, which followed the regular program and took pre and posttests designed for this study, or to the experimental group, which followed an identical program with additional exercises specially designed to teach higher cognitive…

The purpose of this research was to design, create a prototype, and evaluate an Educational Data Acquisition System (EDAS) for use in secondary school science laboratories. The prototype of EDAS consisted of a microcomputer, data acquisition interface, sensors, software, and documentation. It provided the teacher and students with a…

Discusses some of the most important structural features found in modern chemical laboratories, including building shapes, floor plans, and window utilization. (MLH)

This book is intended as a guide for people who are planning chemistry and physics research laboratories. It deals with the importance of effective communication between client and architect, the value of preliminary planning, and the role of the project officer. It also discusses the size and layout of individual laboratories, the design of…

Seven-slide series produced by the Diafilm Studio are discussed as they are used as demonstration material for teaching students detailed familiarity with the morphology of the plants in given families and with the variety of their representatives. (Author/ND)

This inexpensive, effective chemiluminescence demonstration requires minimal preparation. It is based on the oxidation of oxalyl chloride by hydrogen peroxide in the presence of an appropriate fluorescent sensitizer. The reaction mechanism is not completely understood. (BB)

Two specialized facilities to produce cells and cell components on a large scale for scientific research have recently been established by the National Science Foundation. (BB)

This symposium focused on the question: can colleges afford to continue offering high quality laboratory instruction at the undergraduate level. (Author/BB)

This session focused on the types of chemistry courses taught in the high schools and the financial support of high school chemistry labs. (BB)