Outlines the discovery and nature of ultraviolet light, discusses some applications for these wavelengths, and describes a number of experiments with ultraviolet radiation suitable for secondary school science classes. (JR)

Describes how high school students used egg cartons to construct an anechoic room for conducting sound experiments in physics. (JR)

Discusses some aspects of the implementation of student projects in physical science teaching, involving timing, facilities, choice of projects, and student evaluation. Included are descriptions of five students' experience with project work. (CC)

Suggests the technique of brainstorming, in which a group generates spontaneous thoughts regarding how something might be used or how a problem might be solved, as a valuable way to help elementary school children learn science. (JR)

Describes a laboratory exercise in ethology that has proven to be successful in teaching the analytical power of biological observation to students at the University of Wisconsin. (JR)

Describes how the continuous variation method may be used in senior chemistry classes at the secondary level. This technique allows for the detection of the one or more reactions that may occur in a system over a wide range of composition. (JR)