Briefly describes the nature of comets, and in particular, discusses Comet Kohoutek, one of the most spectacular celestial phenomena of this century. (JR)

Provides a description of the geological history of the Naracoorte area of South Australia, and outlines how an excursion to the Naracoorte caves can be used to teach major ideas in biology. Background information including questions and activities are suggested. (JR)

Reports some of the interesting changes that have occurred since the introduction of Physical Science Study Committee (PSSC) in Victorian schools (Australia). The study indicated that, over a four year period, there have been changes in teachers' views about the physics course based on PSSC and in the teaching practices employed. (JR)

Presents the results of a study of the validity and reliability of a modification of the Reed Science Activity Inventory used with British high-ability students. (AL)

Reviews various summary results drawn from photoperiodism research on plants and animals. Effects of light quality and length of illumination have profound effects on the physiology of many organisms. (PS)

Four contributors on curriculum development explain philosophic aspects of Nuffield Advanced Science Projects, a course in science and education, a conservation course, and an audiovisual method for self-teaching. (PS)

The goals are to develop techniques and material whereby schools throughout the country can introduce applied science to their pupils between the ages of 14 and 18 years. (DF)

Describes teacher's reactions to a diagnostic test in biology prepared by Australian Council for Educational Research. Results indicate that test was misused in most cases. (PS)