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Walker, Jearl – Scientific American, 1990
Describes the necking of polymer sheets that occurs when they are stretched. Discusses the effect and the mechanisms of necking. Lists four references. (YP)
Descriptors: Laboratory Experiments, Laboratory Procedures, Matter, Optics

Weltner, Klaus – Physics Teacher, 1990
Describes some experiments showing both qualitatively and quantitatively that aerodynamic lift is a reaction force. Demonstrates reaction forces caused by the acceleration of an airstream and the deflection of an airstream. Provides pictures of demonstration apparatus and mathematical expressions. (YP)
Descriptors: College Science, Force, Higher Education, Laboratory Experiments

Weltner, Klaus – Physics Teacher, 1990
Explains the lifting force based on Bernoulli's law and as a reaction force. Discusses the interrelation of both explanations. Considers accelerations in line with stream lines and perpendicular to stream lines. (YP)
Descriptors: College Science, Force, Higher Education, Laboratory Experiments

Connolly, Walter, Ed. – Physics Teacher, 1990
Provides the apparatus setup, experimental method, necessary formulas, and references for three measurement experiments: (1) "Determine the Magnetic Induction of a Coil with a Hall Element"; (2) "Measuring Magnetic Force and Magnetic Field of Small Permanent Magnets"; and (3) "Measurements of Sound Velocity by Means of PZT" (piezoelectric…
Descriptors: Laboratory Equipment, Laboratory Experiments, Laboratory Procedures, Magnets
Walker, Jearl – Scientific American, 1989
Discusses the change in pressure as a balloon expands. Describes the pressure change in a spherical soap bubble and a rubber membrane on the tube. Provides demonstrations when two balloons are connected by a tube. Lists five further reading materials. (YP)
Descriptors: Laboratory Experiments, Laboratory Procedures, Physics, Pressure (Physics)

Kay, Susan M. – Physics Education, 1989
Describes experimental procedures to produce magnetic fields with a thermocouple. Provides diagrams showing the apparatus, tables of experiment data, and background information on the theory. (YP)
Descriptors: College Science, Electricity, Higher Education, Laboratory Experiments

Jihui, Duan; Wang, Charles T. P. – Physics Teacher, 1988
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)
Descriptors: College Science, Higher Education, Laboratory Experiments, Laboratory Procedures

Edge, R. D., Ed. – Physics Teacher, 1989
Demonstrates the inverted image, the chromatic aberration, and the floaters of the eye using an opaque 35mm film container with a small pinhole poked through the bottom. Describes the observation of Haidinger's brushes using polarized light. (YP)
Descriptors: Laboratory Equipment, Laboratory Experiments, Laboratory Procedures, Optics

Charas, Seymour – Physics Teacher, 1988
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)
Descriptors: College Science, Higher Education, Laboratory Experiments, Laboratory Procedures

Gilbert, George L., Ed. – Journal of Chemical Education, 1989
Provided are two demonstrations for an introductory course in chemistry. The first one emphasizes the observation and the interpretation of facts to form hypotheses during the heating of a beaker of water. The second demonstration shows the liquid phase of carbon dioxide using dry ice and a pressure gauge. (YP)
Descriptors: Chemistry, College Science, Higher Education, Laboratory Equipment
Louisiana State Dept. of Education, Baton Rouge. Div. of Academic Programs. – 1987
In 1986, the Louisiana State Board of Elementary and Secondary Education requested that an advanced course in Biology II be developed. The resulting curriculum guide contains grade appropriate goals, skills, and competencies; suggested activities; suggested materials of instruction; and minimum time allotments for instruction. Biology II is a…
Descriptors: Biology, Course Objectives, Laboratory Experiments, Physiology
McComas, William F., Ed. – 1994
This document presents a collection of useful laboratory-based activities for teaching about evolution. Some of the activities in this monograph are previously unpublished exercises, some are new versions of well-known labs, a few make useful classroom demonstrations, and several require somewhat sophisticated equipment. As a group, the activities…
Descriptors: Biology, Demonstrations (Science), Educational Resources, Evolution

Friberg, Stig. E.; Bendiksen, Beverly – Journal of Chemical Education, 1979
The experiment described is intended to illustrate the intermolecular phenomena involved in association colloids. These are normal and inverse micelles and lyotropic liquid crystals. Solubilization, microemulsion and emulsion are discussed. (Author/SA)
Descriptors: Chemistry, College Science, Energy, Higher Education

Campbell, Thomas C. – Physics Teacher, 1977
Discusses the laboratory portion of a beginning noncalculus physics course that uses concrete examples of abstract concepts. Describes the use of coffee cans to explain oscillations and plastic darts to illustrate collisions. (MLH)
Descriptors: College Science, Concept Teaching, Equipment, Higher Education

Uslabar, Ken – Science Teacher, 1989
Describes an experiment relating to fossil populations and using snails. Presented are the procedures and questions for the experiment. Provides four topics for additional study. (YP)
Descriptors: Laboratory Experiments, Laboratory Procedures, Mortality Rate, Paleontology