Describes the making of artificial urine for laboratory experiments which supplies all the major properties of human urine. (MKR)

Presented is the index to the January-December 1976 issues of The Science Teacher (Volume 43). Both author and title indexes are included. (SL)

Provides background information for teachers on the physical and physiological characteristics of fruit flies. Explains their role and function in the study of heredity. Upholds their value as a manageable and safe laboratory animal. (ML)

Discussed is the accuracy of three statements commonly used in chemistry books and in teaching chemistry. (HM)

Discusses the distribution of kinetic and potential energy in transverse and longitudinal waves and examines the transmission of power and momentum. This discussion is intended to aid in understanding the simple harmonic motion of a particle involved in the propagation of a harmonic mechanical plane wave. (HM)

Lists 46 household chemicals readily available at local stores by common name, chemical name, chemical formula, and typical commercial source. Suggests that school budgetary constraints can be eased by this practice and that students can become more chemically literate as consumers. (JJK)

It is of critical importance in the Asia/Pacific region to produce quality science books which are attractive and interesting for children and youths and which can also stimulate their interest in science and provide them with accurate scientific knowledge in an easily understandable way. This publication is a report of a training course on book…

Offers instructions and geometrical data for constructing solids of the enantiomorphous symmetry classes 233 and 432. Provides background information for each class and highlights symmetrical relationships and construction patterns. (ML)

Presents information about making a scale model of Jupiter and its system of moons. (MKR)

Offers selections from papers which illustrate accidents, epidemics, and bad practices which could be used as background material for lessons on laboratory safety. Advocates the need for instruction on pathogenicity and infectivity. (ML)

Accidentally killed animals provide biology classes with excellent study material. (Editor)

Describes an alternate method of demonstrating thin film interference fringes with a laser by using a microscope slide glass cover. (MKR)

Describes the development of casts that replicate fossil finds to help teach human evolution. (MKR)