Describes an electronic digital counter, a speed-of-light experiment using a television, a simple out-of-circuit method for determining if a transistor is made of silicon or germanium, and the use of dry cells to power TTL integrated circuits. (MLH)

The purpose of keeping animals in schools and problems encountered in their maintenance are summarized. Two curriculum units, one on fruit flies and one on honey bees are described. Reasons for a widespread negative image of rural studies are discussed and positive outcomes of an environmental science course are presented. (Author/EB)

This report briefly summarizes findings from the 2002 Cornell Higher Education Research Institute survey of start-up costs at the over 220 universities classified as research and doctoral universities by the Carnegie Foundation in 1994. It reports the mean start-up cost packages across institutions for new assistant professors and senior faculty,…

Many questions of interest to teachers, educational researchers, curriculum developers, and policymakers in science education can be asked about classroom environment. Does a classroom's environment affect student learning attitudes? What is the impact of a new curriculum or teaching method on the nature of a classroom's environment? Can teachers…

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

Briefly discusses the theory of fatigue, and describes ways in which the fatigue rate in humans can be measured in the classroom using a simple physiological instrument, the ergometer. (JR)