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Now showing items 21-30 of 48
Simple science experiments for daily high school class demonstrations
(1957-05)
Scope of Study: A collection of simple experiments that may be used in high school science classes for demonstrating various physical and chemical principles. The experiments are of the sensational type that tend to glamorize ...
Summary of studies and criticisms of water fluoridation
(1957-08)
Scope of Study: During recent years evidence has been accumulating on the advantages of adding fluorides to public water supplies as a means of preventing dental caries. The U. S. Public Health Service is cooperating with ...
Report on basic radio demonstrations for high school physics
(1957-05)
Scope of Study: In many high school and college physics courses, the units on radio and electronics have often been treated lightly or skipped entirely. With the field of radio and electronics becoming more important each ...
Use of simple taxonomic keys for student identification of collected specimens
(1957-05)
Scope of Study: Student identification of collected specimens is usually a problem for high school biology teachers. Quite often their students must rely on a trial-and-error process of picture comparison or upon comprehensive ...
Course of study in general metal in the senior high school, Bristow, Oklahoma
(1957-08)
Scope of Study: The report was made because the author recognized the need to formulate a desirable industrial arts program in the senior high school of Bristow, Oklahoma. The study also reveals the safety rules that should ...
Correlating and integrating industrial arts with the social studies
(1957-08)
Scope of Study: This study deals with three basic phases of industrial education (1) The use of crude tools began with pre-historic man's efforts toward survival and protection. The development of tools has had a tremendous ...
Subject matter content of junior high school mathematics
(1957-05)
Scope of Study: The needs of the complex technological society in which we live has increased the need for more training in science and mathematics. Mathematics is needed not only by the scientist but also by the average ...
Semiconductor theory and projects
(1957-05)
Scope of Study: The high school physics teacher must continuously face the problem of trying to keep abreast of new developments in physics. One of the most recent advances has been in the area of semiconductors. Research ...