The time between asking a question and accepting an answer or proceeding with the lesson is reported for five lessons for four instructors. There was little change during four weeks of instructor-supervisor conferences intended to alter questioning techniques. (AL)

Laboratory procedures are explained for taking benzoic acid and using it or one of its derivatives throughout an introductory lab course. Synthesis, purification, weight determination, identification of an acid, equilibrium constant, salt preparation, salt analysis, and salt solubility measurements are involved in the semester's experience. (DS)

This is a progress report of an independent study program in high school chemistry. The rationale, the initial program, the problems encountered and changes instituted each year of operation, and the program as it is presently structured and operating are discussed. A comparative study of the performance of students in both the independent study…

Describes a terminal, nonlab course in chemistry in a liberal arts college. Rationale, goals, procedures, and student evaluations are presented. (DS)

Describes a polytechnical club" where college students must manually make laboratory equipment for experiments. Also introduces an evaluation procedure based on the student's intelligence and ability to work with others. (DS)