Describes several outdoor activities that develop students' sensory awareness of their natural surroundings. (LS)

An activity utilizing a bucket of pond water for study of microorganisms as presented to elementary school preservice and inservice teachers, and subsequently to their pupils, is described. Procedures for collecting, studying, tabulating data and extended activities are presented. (EB)

Utilizes programmed instruction with concrete experiences and raised diagrams to teach the mammalian heart to an integrated high school classroom (one containing sighted and visually handicapped students). (LS)

Describes a demonstration using inexpensive equipment in which an analysis of circular motion will determine the acceleration due to gravity within one percent of the accurate value. (CP)

Describes how to convert a wooden block into an apparatus to study friction. (LS)

Describes a lively investigation to interrelate biology, math, physics, and chemistry with our nations space program. Suggested for use with tenth grade biology students when dealing with topics relevant to animal stress reactions. References are cited. (EB)

Provides methods by which one may include historical aspects of the growth and development of chemistry into a secondary school curriculum. Includes a selected bibliography of materials related to the history of chemistry. (CP)

Describes the construction and use of a simplified apparatus for fermentation studies. (LS)

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)