Describes a study investigating the use of class discussion following a period of unstructured observation and experimentation as a method of increasing the student's ability to view scientific problems as useful starting points for investigation. (SL)

Described are methods for making Cartesian divers for explaining atomic models utilizing a city planning analogy, a game for reviewing subject matter, the construction of a cell model, an improved diffusion demonstration, and uses of inexpensive glass cutters. (SL)

In this section, brief contributed articles on a variety of secondary school science topics appear. (CP)

Presents the Crustal Evolution Education Project (CEEP) instructional module on Sea-Floor Spreading and Transform Faults. The module includes activities and materials required, procedures, summary questions, and extension ideas for teaching Sea-Floor Spreading. (SL)

Describes a course in log analysis which discusses academic and industrial applications. (SL)

Describes a demonstration experiment illustrating rotation of grains process of metamorphic rock formation utilizing clear gelatin blocks. (SL)

Discusses the study of rabbits as a science activity with live animals for elementary level students. (SL)

Describes a technique of making microscope images viewable by a small group and for making pictures of the images without a camera. (SL)

Reports on a high school egg dropping contest as a means of increasing student interest in science. (SL)

For the secondary school, the author discourages the use of dichotomous keys in favor of a punch-card system. The system is readily constructed by students for use in plant and animal classification. (CP)

Provides contributed suggestions in applied topics of secondary school physics. Entries include notes on instructional materials, methodology and laboratory techniques. (CP)

Describes experiments involving the synthesis of compounds which exhibit pronounced color changes with changes of solvent polarity. (SL)

Describes an undergraduate analytical laboratory experiment demonstrating the use of masking to obtain selectivity in complexometry. (SL)

Provides a listing of articles and papers published in 1976 relating to various fields of biology and presents various biological science activities. (SL)

Describes four science experiments relating to energy developed for interdisciplinary general science courses. (SL)