Describes laboratory procedures, demonstrations, and classroom activities/materials, including water relation exercise on auxin-treated artichoke tuber tissue; aerobic respiration in yeast; an improved potometer; use of mobiles in biological classification, and experiments on powdery mildews and banana polyphenol oxidase. Includes reading lists…

Presents a computer program for analyzing diets, a game designed to supplement a topic on insects, a technique for demonstrating the role of ethene in fruit ripening, an apparatus for removing arthropods from soil samples, activities using cichlids, and an activity on bonds stabilizing protein structure. (JN)

Discusses the use of microcomputers as a universal instrument to replace more expensive instrumentation in many traditional labs. Describes the availability of microcomputers as inexpensive educational tools which can be used successfully in labs with minimal requirements on the computer. (SK)

Describes a set of equipment which can be mounted on magnetic chalkboards or other ferromagnetic surfaces, useful for both experiments and demonstrations in mechanics, including center of mass experiments, and force vector experiments using string, spring scales, weights, and pulleys. (SK)

Presents the impressions of the 13-member American science education delegation to the People's Republic of China. Describes the precollege education in terms of quality, practices, extracurricular opportunities, and the new unified national curriculum. (SA)

Described are the apparatus and procedures needed for a demonstration of the measurement of the electrical resistance of metals as a function of temperature using a microcomputer interface. Discussed are materials, apparatus construction, and experimental results. (CW)

Described are the apparatus and procedures needed for a demonstration of a determination of the polarity of charges carried by individual ground flashes of lightning. Discussed are materials, apparatus construction, and experimental results. (CW)

Described are the apparatus and procedures needed for this correction technique using a microcomputer interface. Discussed are materials, apparatus construction, and experimental results. (CW)

Reviews safety and emergency equipment in their application to chemical laboratories. Discusses American National Standards (ANSI) for equipment. Presents practical considerations for the placement and purchase of equipment. (MVL)

Describes 11 hands-on activities involving genetics; principles of chemical luminescence; a nucleus model; dissection pins; science, technology, and society (STS) courseware; plant dyes; the scientific method; current events; a portable planetarium; solar energy; and burning tests. (YP)

Demonstrates a laboratory to teach the concept of moment of inertia in which students are asked to identify four objects of equal mass sealed in unopenable containers by identifying the mass distribution of each object. Gives instructions to build an instrument to determine relative distribution of mass. (MDH)

A recent case study examined how the organizational changes from junior high to middle school influenced the science program for a large North Carolina school system, focusing on teacher preparation, time allocation, interdisciplinary instruction, equipment allocation, and information and leadership issues. Science instruction was enhanced under…

Argues for the potential of hands on activities with simple materials to help develop understanding of physical phenomena among students of all age groups. (WRM)

This activity guide, developed to provide hands-on environmental education activities geared to Singletary Lake State Park in North Carolina, is targeted for grades 6, 7, and 8 and meets curriculum objectives of the standard course of study established by the North Carolina Department of Public Instruction. Three types of activities are included:…

This activity guide, developed to provide hands-on environmental education activities geared to Jones Lake State Park in North Carolina, is targeted for grades 6, 7, and 8 and meets curriculum objectives in the standard course of study established by the North Carolina Department of Public Instruction. Three types of activities are included:…