Describes the use of a device, the "Maxwell Demon Bottle," for demonstrating the meaning of entropy and the grainy nature of matter and energy. (JR)

Suggests finding a bee tree as an interesting student activity for a science club. Much background material on bees is given, but few experiments or activities with the bees are suggested. (BR)

Describes construction of a Geologic Time Scale on a 100 foot roll of paper and suggests activities concerning its use. Includes information about fossils and suggestions for conducting a fossil field trip with students. (BR)

Presents a series of lessons, developed to give children the opportunity to construct a classification system for animals and to analyze the classification. Procedural information and suggestions for preparation of materials are included. (Author/EB)

This procedure, using polystyrene spheres of specified diameter, renders the Millikan oil drop experiment more accurate than the conventional procedure of the polystyrene spheres, eliminates size estimation error, and removes the guesswork involved in assigning proper index integers to the observed charges. (MLH)

This manual contains examples of techniques for science teachers to use in making the teaching of reading a simultaneous function of teaching science. The task force members of a three day work session with the Alaska Department of Education used science texts from their own programs to provide samples of various activities and guides. Each…

Guidelines for the development of secondary school science programs and facilities which will aid in the review of existing and proposed programs and in adapting classroom instruction to the needs of individual pupils. Science facilities are emphasized including space requirements, classrooms, laboratories, utilities, furniture, and audiovisual…

As part of an updated series of activity oriented educational materials dealing with aspects of the Guam environment, this publication focuses on the common plants and animals found in schoolyards on Guam. Like a field guide, this publication contains descriptions, ecological information, and some historical notes about the common trees, shrubs,…

This newsletter contains student experiments and demonstrations suitable for secondary chemistry instruction as well as laboratory safety tips, book reviews and several activities involving the chemistry of winemaking and crime detection. Articles include those on carbon disulfide bonding, the electrolysis of sodium chloride, a simple and accurate…

This instructional guide, intended for student use, develops the concept of color through a series of sequential activities. A technical development of the subject is pursued with examples stressing practical aspects of the concepts. Included in the minicourse are: (1) the rationale, (2) terminal behavioral objectives, (3) enabling behavioral…

Presented is a description of a program developed to provide better dissemination of curricula, particularly for elementary school teachers and principals. The strategy described, Tactics for Applying Programs in Education (TAPE), an NSF-funded project, involved extensive use of mass media channels for creating awareness of science curricula…

As a supplement to Project Physics Unit 3, a collection of articles is presented in this reader for student browsing. Four excerpts are given under the following headings: On the kinetic theory of gases, Maxwell's Demon, Introduction to Waves, and Scientific Cranks. Five articles are included in terms of energy, barometers, randomness, fiddle…