Describes apparatus, computer program (for Apple II), and procedures used in an experiment to determine the velocity of sound in air. In addition, the experiment focuses on the attention required in calibrating equipment and the measuring of both long distances and very short time intervals. (JN)

Discusses seven energy frameworks (such as human-centered energy, energy as an ingredient, energy as a product, and energy as an obvious activity), illustrated by extracts taken from transcripts of students interviewed by the interview-about-instances approach. Considers difficulty in effecting as well as methods for creating conceptual change.…

Discusses the process of problem solving, stressing the iterative nature of the process and the importance of communication (explaining problems to others). Provides examples of physics/physical sciences problems useful in problem-solving competitions. Also provides examples of problems to be solved in school over several weeks. Lists of materials…

Parts 1 and 2 (SE 524 424 and 527 089) described Flesch readability for determining a text's reading level and results of applying the test to astronomy/physics textbooks. This part presents results for a new sample of texts, including calculus-level texts. A comparison with high school physics texts is provided. (JM)

Highlights a student project to study heat loss in a high school. Project goals, excerpts from project recommendations (indicating that several have been implemented in the school), and project activities are described. Points out that the project was successful in terms of teaching physics in a practical nature. (Author/JN)

Outlines a course in which toys are used to demonstrate physics concepts, stressing available or easily constructed toys. A recent lecture sequence included toys demonstrating equilibrium, force/torque, linear/angular momentum conservation, energy conservation/storage, flying, vibrations, programed music, and others. Illustrations of selected toys…

The construction of a homemade Kelvin water-drop electrostatic generator is suggested as an activity for teacher workshops. Materials needed before the workshop and instructions (including a diagram) for preparing the generator are provided. Suggested questions to pique workshop group's curiosity are also provided. (JN)

Reviews software for college/advanced high school-level physics designed to instruct/test students in vector arithmetic and analysis. Written for Apple II/II+ (Applesoft), the program menu contains seven items (including graphing and straight line fitting procedure). Excellent use of graphics and sound tutorial approach keep students' interest and…

Provides rationale (philosophical and practical) for teaching astronomy in secondary schools, suggesting that astronomical subject matter be incorporated into such areas as the physical sciences and mathematics rather than introducing an astronomy course. Also discusses careers in astronomy and ways to help teachers to reintroduce astronomy into…

Describes and evaluates one assignment from a unit designed to teach basic science concepts and instructional strategies to primary school teachers, specifically, the control of variables. (SK)

Suggests taking a relatively unsophisticated scientific theory and finding criticisms which could be leveled against it. Illustrates this instructional strategy by presenting a detailed criticism of the projectile theory of light. (SK)

A description and short extract are given of a tabulated history of astronomy, in which particular emphasis is placed on the interaction of astronomy with various disciplines. (Author/SK)

Discusses a role-playing technique used in a physics of music course that introduces students in a course for nonscientists to the thought processes and experiences of being a scientist. Students select a research project and present results as a journal article or an oral presentation at a scientific "meeting." (Author/JN)

Outlines advantages derived from constructing and using a Projectable Basic Electronics Kit and provides: (1) list of components; (2) diagrams of 10 finished components (resistor; capacitor; diode; switch; bulb; transistor; meter; variable capacitor; coil; connecting terminal); and (3) diode and transistor activities. (JN)

Discusses theory of the rotating mirror, its use in measuring the velocity of the electrical signal in wires, and the velocity of light. Concludes with a description of the manometric flame apparatus developed for analyzing sound waves. (SK)