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)

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)

The author believes that one of the best ways of educating the student of contemporary and future technology is to use modern devices, instruments, and techniques in an up-to-date college laboratory. Experiments which motivate and which are of interest to the student, the professor, and industry should be used extensively. (Author/TS)

The use of independent experimental investigations of topics of the student's choosing is described in physics courses at Wittenberg University. Various projects which have been done are listed. (TS)

Describes some of the general principles involved in the planning of a teaching sequence. Discusses in more detail one example of a complete syllabus including major concepts and experiments. (Author/TS)

The mathematics laboratory is described as being not just the use of concrete teaching aids but involving a new philosophy of how children learn and the teacher's role in the facilitation of learning. (CP)

The development of a music curriculum for students at all levels is discussed. (CK)