Advice concerning setting up a center for materials related to the metric system is offered. (SD)

Describes the investigations of the decomposition of a diazonium salt by the action of light. (LS)

Discusses an elementary school Design Lab in which students construct musical instruments with little intervention from the instructor. Describes some problem solving situations which arose during the activities, and which provided experience in developing computational and reasoning skills. (MLH)

Describes an experiment designed to develop an understanding of the basic acid neutralization reaction of sodium bicarbonate, calcium carbonate, and aluminum hydroxide gel. Presents a procedure for the determination of reaction rate for an antacid in vitro and provides sample data for this determination. (GS)

Many concepts can be introduced informally through activities. Among those which can be investigated using easily-made 10-by-10 pegboards are geometric shapes, coordinate systems, grouping and regrouping, and addition of two-place numbers. (SD)

This article offers guidelines for understanding Title VI Grants from the Office of Education and for making grant proposals. (AM)

The author proposes a method of diagnosis through activities rather than traditional testing. In this approach the teacher assigns activities in which the student is known to have an interest and which require the skill to be tested. (SD)