This bird (the Toucan) is the perfect symbol for a multimedia, multiethnic, multiage, people-oriented school, the Grant School, Bridgeway Project, in Waterloo, Iowa. (Editor/CB)

Describes apparatus which can be constructed to allow students to experiment and collect data for understanding various aspects of simple motion of objects. Detailed instructions are given. (PS)

Describes use of laboratory techniques for systematic study of river pollution. Detailed instructions are included. (PS)

Exercises are developed which demonstrate the versatility of modern spectroscopic methods and the variety of structural information which can be obtained. (DF)

A teaching aid is described for exercises in plant transpiration and general external morphology which is felt to be a good resource for the teaching of concepts relating to structure and function; in addition it is inexpensive and easily obtainable. (DF)

Describes a one-year program in which students are given lectures on instrumentation topics, acquire experience participating in campus and community laboratories, and complete individual projects to receive the master's degree. Indicates a high ability of attacking laboratory problems in students' achievement. (CC)

Describes the pedagogical use of a 12.0m x 1.0m x 0.8m electromagnet to demonstrate the properties of magnetostatic fields and the Faraday-Henry induction law. (CC)

Revised version of a paper presented at the 79th Meeting of the Acoustical Society of America, Atlantic City, N.J., April 21-24, 1970; research supported in part by the Science Research Council (U.K.) and by the National Institutes of Health. (RS)

Based on results reported in a doctoral dissertation completed at the State University of New York at Buffalo. Investigation carried out while the author held a National Institutes of Mental Health Predoctoral Research Fellowship. (VM)