Discussed is the historic development of Snell's law and derivation of the law without using mathematical expressions. Describes laboratory procedures using diagrams. (YP)

Described is a university physics course bridging the gap between educational methodology, content, and applications of physics in identifying and resolving both societal and physical problems. Discussed are students' goals, instruction, and evaluation. Provides supporting texts list, a sample schedule, and sample ideas for independent…

The first demonstration shows rolling balls on two tracks: one is straight and the other dips down and then comes back up. Discusses the reason why the former is slower than the latter. The second demonstration shows a rising cork inside a water tube flowing downward. (YP)

Refutes 14 items from "Computer Test Bank for Heath Physical Science." Discusses the correct answers item by item. (YP)

Asks whether the masses of a block of wood and a block of iron with the same weight are different. Discusses the buoyancy of air involved in the problem. (YP)

Discusses a wall chart, "The Standard Model of Fundamental Particles and Interactions," for use in introductory physics courses at either high school or college level. Describes the chart development process, introduction and terminology of particle physics, components of the chart, and suggestions for using the chart, booklet, and software. (YP)

Evaluates 10 courseware packages covering topics for introductory physics. Discusses the price; sub-topics; program type; interaction; possible hardware; time; calculus required; graphics; and comments on each program. Recommends two packages in projectile and circular motion, and three packages in statics and rotational dynamics. (YP)

Discusses a demonstration of interference phenomena using three sheets of polaroid material, a light source, and a light meter. Describes instructional procedures with mathematical expressions and a diagram. (YP)

Discusses the use of an overhead projector for the deflection of a vertical image to a screen. Describes three demonstrations: magnetizing of a steel ball bearing and paper clip; convection currents of a hot liquid within a cold liquid; and oscillation of concentrated salt solution into fresh water. (YP)

Describes a high school physics teaching sequence including more modern topics. The first quarter covers cosmology, astronomy, optics, wave mechanics, relativity, gravity, and quantum theory. The second quarter covers classical mechanics. The third quarter covers electromagnetism and electronics. The fourth quarter consists of thermodynamics and…

Investigates the paths of three different points in the rigid body after receiving a sudden blow by a horizontal force. Describes the setup, laboratory procedures, and results with mathematical expressions and ink tracings of the paths. (YP)

Discusses the etymology of physics words. Provides a list of English words and their original meaning. (YP)

Derives the current in the wire joining two points when n points are joined two by two by wires of equal resistance, and two of them are connected to the electrodes of a battery of electromotive force E and resistance R. (YP)

Discusses a high school physics course for a vocational program. Describes the development, organization, characteristics, and pilot test results for "Principles of Technology." (YP)

Discusses laser demonstration for invoking interest in science, especially physics. Describes some examples, such as diffraction, scattering, expansion by diverging lens, internal reflection in a light pipe, and illumination through optical cable. Provides some practical hints for the demonstration. (YP)