Describes methods that can be used by beginning chemistry and geology students for growing, cutting, and polishing alum crystals. (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)

Major goal of USOE is for every student who leaves high school to have a marketable skill or preparation to enter advanced educational programs. Efforts are centered around four modesl for developing a national program: school-based, employer-based, home/community-based, and rural residential career. (DF)

Problems concerning energy shortage are presented along with possible solutions. Three important areas of concern are (1) energy-origin and uses, (2) environmental effects of energy use, and (3) resources and new sources. (DF)

A survey conducted to determine teacher's instructional resources, methods, materials, and attitudes toward various uses of nuclear energy resulted in nearly one thousand science teachers throughout the nation responding. Results of survey are presented and five recommendations for action are made. (DF)

Described is a general electroconductivity device enabling students to determine sulfur dioxide concentration in a particular location, hopefully leading to a deeper understanding of the problem of air pollution. (DF)

Describes the development, philosophy, and science offerings of the junior high and middle schools of the United States, and examines new directions emerging for science education in these schools during the next decade. (JR)

Examines the processes involved in problem solving and provides twelve problems that may be used to illustrate these processes. (JR)

Presents a brief biography of Guglielmo Marconi and his discoveries which led to wireless communication. (JR)