Presents a differential thermal analysis system constructed mainly from commercially available modular units. (SL)

Folsomia candida is presented as an ideal organism for population studies that can be carried out cheaply and easily in school laboratory conditions. Means of identifying, obtaining, and culturing these organisms are described together with some indication of the kinds of investigations which can be performed. (Author/MA)

The current popularity of house plants can provide the basis for numerous classroom activities. Students can make flower pots from tubs and cans, chart plant growth on a graph, make mint sherbert, or expand their vocabulary by learning plant descriptors. Details and more suggestions are included in this article. (MA)

Describes an experiment for the determination of water/lipid distribution ratios of drugs. (SL)

Describes a laboratory experiment suitable for undergraduate students which illustrates the oxidative coupling of phenols. (SL)

Suggests uses of hand tools and machines in teaching preschool and elementary school students the definition of energy. (MDR)

The following materials are reviewed: a kit of task cards and posters called "Everyday Conservation;" a set of four curriculum guide booklets entitled "Environmental Education Interdependence;" a book in the UNESCO integrated science series; and an OBIS materials set. (MDR)

Discusses the formation of lipid peroxides as important degradative biomolecules. (SL)

Describes experiments on the properties of bile salts in teaching physical chemistry for biologists. (SL)

Describes an experiment using an analog computer which allows students to work with familiar problems, and to program the computers themselves. (SL)

Describes an experiment to distinguish aldehydes from ketones utilizing a recently introduced reagent. (SL)

Describes a three period project type laboratory experiment designed to maintain student interest. (SL)

Describes the organization and activities of 16 different aviation classes, workshops, and groups about the United States. Projects range from flight training activities to the construction of a small, one-man airplane. (SL)

Presents physics problems relating human body weight, activity, and energy expenditure. (SL)

Describes school science activities in which students race model cars built from mousetraps, construct inventions using discarded junk, and compete in an egg dropping contest. (SL)