Describes an advanced high school physics experiment demonstrating rotational kinematics and dynamics, using simple equipment such as empty coffee cans, inclined planes, meter sticks, and a large 10-second demonstration timer. (CS)

Describes some practical exercises involving the glutamine synthetase enzyme of Beneckea Natriegens. (CS)

Presents the following three biology notes: (1) a low cost variable temperature incubator; (2) projects on the ecology of freshwater mussels (Unionidae); and (3) studies on urease. (HM)

Presents 12 chemistry notes for British secondary school teachers. Some of these notes are: (1) a simple device for testing pH-meters; (2) portable fume cupboard safety screen; and (3) Mass spectroscopy-analysis of a mass peak. (HM)

Presents six middle school science notes for British science teachers. Some of these notes are: (1) fingerprints; (2) the floating magnet; and (3) the production of electricity using a lemon. (HM)

Presents results of a questionnaire sent to Australian school teachers concerning laboratory space allotments and class size. Summarizes data and compares results with the United States National Science Teachers Association recommendations on class size and space requirements. (CS)

Provides a checklist for microprocessor laboratories and outlines the programs offered at Milwaukee School of Engineering, where students are introduced to two microprocessor elective courses. (CS)

Inquiry and lecture/lab methods of instruction yield different results in conceptual and problem-solving tests, while no difference exists in factual tests. The author recommends that the inquiry method of teaching be refined so that it can become a practical classroom instructional strategy. (CT)

Describes Florida's Individualized Manpower Training System (IMTS) which combines expanded curriculum (basic education, complementary skills, and work evaluation components), learning resource centers, and management procedures to assist students with basic skill deficiencies. Student motivation, open-entry open-exit study and minimum duplication…

A two-part project involving critical thinking and writing skills focuses on a small crustacean and the scientific method. (Editor)

Describes a student project in analytical chemistry using sheet silicates. Provides specific information regarding the use of phlogopite in an experiment to analyze samples for silicon, aluminum, magnesium, iron, potassium, and fluoride. (CS)

Indicates that at least 50 percent carbon monoxide is produced during the dehydration of sugar by sulfuric acid to a hot, black, expanded solid. Consequently, students should not be allowed to smell this product. Also lists six other findings related to this reaction. (Author/JN)

Presents an undergraduate biochemistry laboratory experiment in which glycohemoglobin, a derivative of hemoglobin, is determined. (CS)

Reports results of a study for NSF on the scientific instrumentation needs of research universities. Examines current status of scientific instruments in 16 major research universities, six government laboratories, and nine commercial laboratories; and identifies factors that facilitate or impede their acquisition, use, and development. (CS)

Recommendations are made for handling and growth of Beneckea natriegens, a rapidly growing, nonpathogenic marine bacterium which can be used with advantage to replace Escherichia coli in many undergraduate microbiology experiments. Examples of experiments and the potential value of this organism as a subject for student research projects are…