Describes an experiment designed to expose the student to the classical techniques of organic dye synthesis and introduce him to a variety of modern scientific knowledge and exotic physical phenomena which he might not encounter otherwise. (Author/DF)

The organization of a project on the topic of communications is detailed, and examples of some of the workcards used with the project are provided. Two open'' problems along with some student responses are also included. For the first article in this series, see Volume 1 Number 7 pp9-10, November 1972. (DT)

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)

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)

Describes a laboratory-based, individual-progression, introductory physical science course designed for elementary education majors and for meeting general education requirements. The course is designed to examine how we know and why we believe" and to convey some sense of the nature, successes, and limitations of scientific thought." (AL)

Describes the Jenkins Elementary School which not only serves as a neighborhood elementary education facility, but also provides students at Millersville State College, Pennsylvania, an opportunity to learn, work with, and observe the many different concepts embodied in open education. (Author/MB)