Describes an experiment in which the student is presented with the problem of selecting a suitable indicator for the determination of the hydroxide in basic copper chromate. (MLH)

Discusses the historical background of the 1887 Michelson-Morley experiment to detect the earth's motion through the aether. (MLH)

More than half of all chemists work on some aspect of polymers. For high school teachers who want to introduce polymer science basics, properties, and uses, this book is uniquely helpful--much deeper than simple monographs or collections of experiments, but much more accessible than college texts. Divided into four sections, Polymer Chemistry…

This study examined the effects of nutritional supplements on the duration and level of spontaneous play of 55 mildly to moderately malnourished toddlers living within the tea plantations of West Java, Indonesia. Infants were randomly assigned by their day care centers to one of three supplement groups: (1) energy and micronutrient supplements;…

This book presents 65 simple, safe, and intriguing hands-on science activities. In doing these simple experiments, children can make a variety of discoveries that will surprise them. It includes many activities from discovering how people see color and what makes people's hair stand on end, to creating a tornado in a jar or a propeller-driven boat…

The purpose of this paper is to engender a healthy respect for Gestalt theory and techniques and the use of the techniques in the client's best interest and in the interest of positive professional and self-development in the practitioner. An overview of Gestalt techniques is provided, concentrating on the two category divisions of experiments and…

This textbook is designed to aid teachers who are using the "Fourteen Weeks Course." The problems contained in all the books are solved. The book contains answers in natural philosophy, chemistry, descriptive astronomy, experiments in chemistry, human physiology, physics, and astronomy.

Discusses the use of drugs in controlling human behavior, referring particularly to problems associated with applying results from animal experiments to humans, the technique of controlled experiments, the biochemistry of behavior, behavioral disturbances, the uses and effects of psycho-drugs, and the questions of ethics and potential abuse. (JR)

Summarizes the early discussion results in the development of a physics project in higher education. Indicates that the first-year experience concentrates on the following aspects: laboratory work, tutorial programs, and individualized instruction. (CC)

Discusses some aspects in X-ray topography, including formation of dislocations, characteristics of stacking faults, x-ray contrast in defect inspection, Berg-Barrett technique, and Lang traversing crystal and Borrmann's methods. (CC)

Article attempted to clarify and elaborate the informational, self-evaluative basis of social comparison theory by focusing on two problems relating to assumptions of the theory. (Author/RK)

The contention of this paper is that the obtained difference in a study by DuCette and Wolk, which indicated that giving options in an essay examination produces poorer test performance, was an artifact of the scoring procedures. (Author/RK)

Project American Teachers refers to Hamburg's hiring of American teachers to instruct in math and the natural sciences in the city's public schools. (DD)