Describes a chemistry filmstrip program, available to students as a supplementary study aid; it involves the use of a multi-slide format with four frames per 35mm frame, a hand-held plastic viewer-magnifier, and printed explanations of the visuals. (MLH)

New apparatus and equipment are briefly described. Sources of materials are given. (MLH)

Describes the use of balloons to show the shape of atomic orbitals and their orientation in molecules. (MLH)

Brief suggestions are given on the following topics of interest to chemistry teachers: rate of reaction anaologies, a buffer effect demonstration on the overhead projector, and a year-end activity in general chemistry based on the student's laboratory skills. (BB)

Discusses uses of programmable pocket electronic calculators in the secondary level classroom. Uses discussed include: grading, laboratory, exercises, computing T-scores, and a quantitative approach to chemical equilibrium. (SL)

Describes six commercially available toys useful in demonstrating various chemical principles in the secondary school classroom. (SL)

Describes the construction of teaching models made from a variety of materials such as poker chips and cardboard that illustrate many chemical phenomena, including subatomic particles, molecular structure, solvation and dissociation, and enzyme-substrate interactions. (MLH)

Discussed is the use of instructional aids in chemistry teaching as it relates to mechanisms of learning. (BB)