Describes a simplified redox method for total iron analysis suitable for execution in a three-hour laboratory period by general chemistry students. Discusses materials, procedures, analyses, and student performance. (CW)

Describes a classroom experiment designed to teach students the fundamentals underlying the normal coordinate analysis procedure of a polyatomic molecule. Uses a reverse procedure from traditional experiments of this type by providing the values for the force field and working backwards. (TW)

Describes an experiment involving data acquisition by a computer, digital signal transmission from the computer to a digital logic circuit and signal interpretation by this circuit. The system is being used at the Illinois Institute of Technology. Discusses the fundamental concepts involved. Demonstrates the alarm experiment as it is used in…

Reviews a National Science Foundation funded workshop ("Investigations in the Natural Sciences") for science teachers on how to use laboratory centered materials developed by the Science Education Center at the University of Oklahoma. Presents the results of a survey of the participants. Highlights the program's strengths. (CW)

Explains how computer and game port interfacing reduces the time required for data collection and organization and also stimulates student interest in science laboratory exercises. Illustrates this approach through a description of a population-variation lab. Includes diagrams for the construction of the interface box. (ML)

Answers a previous article critical of the "individual education" school system, and enumerates and reexamines the points of contention. (NKA)

Presents two methods used to measure the refractive indices and double-refraction of fibers. Experiments are described, with one involving the use of Pluta microscope in the double-beam interference technique, the other employing the multiple-beam technique. Immersion liquids are discussed that can be used in the experiments. (TW)

Describes implementation of computer simulation to aid in training psychology students in research methodology. Four skills required in research are reviewed; the simulation's context and the software used are described; and student activities, including submission of articles to online class journals and students' responses to the method, are…

Describes a laboratory experiment in which benzene fluorescence is quenched by bis(acetylacetonato) copper(II). Discusses how this experiment can demonstrate a special technique used in the field of photochemistry. Provides an outline of the experimental procedure and discusses its results. (TW)

Presents 10 activities in biology, chemistry, physical science, and general science. Activities focus on: alfalfa sprouts; soap test; density; skating on cold ice; Kirlian photography; titration analysis (with program listing); radioactive decay; and others. Each activity includes suggested grade level(s) and procedures. (DH)

Describes science laboratory work at Hephaistos, a state school in England for severely physically handicapped students of above average intelligence. General and specific solutions are presented for students who have lack of coordination, weakness in hands and arms, communication problems, impaired spatio-visual perception, and inability to…

Surveys various types of science-oriented computer software, including simulations, tutorials, drill and practice programs, statistical programs, and computer-monitored experiments. Includes a list of 14 programs (indicating program name, source, RAM needed, compatible computers, and current cost) representative of these software types. (JN)

FEMME (Females in Engineering, Methods, Motivation, Experience) is a pre-college summer program for 25 bright and gifted ninth-grade females who like mathematics and science. This program, now in its fourth year, is described, providing information about program goals, operation, trips, student laboratory experiments, and topics discussed by guest…

Defines "real world" examples providing rationale for incorporating them into chemistry teaching. Topic areas of papers include: chemistry in a watershed, polychlorinated biphenyl (PCB), consumer chemistry, culinary chemistry, using real world examples in a laboratory program, projects relating real world chemistry to high school…

Describes mushroom growing as a school project, a method for illustrating need for carbon dioxide in photosynthesis, construction of a simple phytoplankton sampler, cell division activity using playing cards, blood separation activity, measurement of adaptation and selection pressures, computations in field ecology, and an activity demonstrating…