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Direct linkHuck-Iriart, Cristia´n; De-Candia, Ariel; Rodriguez, Javier; Rinaldi, Carlos – Journal of Chemical Education, 2016
In this work, we described an image processing procedure for the measurement of surface tension of the air-liquid interface using isothermal capillary action. The experiment, designed for an undergraduate course, is based on the analysis of a series of solutions with diverse surfactant concentrations at different ionic strengths. The objective of…
Descriptors: Undergraduate Students, Laboratory Experiments, Measurement Techniques, Scientific Concepts
Peer reviewedLegg, Kenneth D. – Journal of Chemical Education, 1973
Descriptors: Chemistry, College Science, Demonstrations (Educational), Energy
Peer reviewedGarmendia, Angel A.; And Others – Journal of Chemical Education, 1973
Descriptors: Chemistry, College Science, Instructional Materials, Laboratory Experiments
Peer reviewedPatel, K. C.; Goldberg, David E. – Journal of Chemical Education, 1973
Descriptors: Chemistry, College Science, Instructional Materials, Laboratory Experiments
Peer reviewedEdge, R. D. – Physics Teacher, 1989
Introduces a method for two-dimensional kinematics measurements by hanging marbles with long strings. Describes experimental procedures for conservation of momentum and obtaining the coefficient of restitution. Provides diagrams and mathematical expressions for the activities. (YP)
Descriptors: College Science, Laboratory Experiments, Laboratory Procedures, Mechanics (Physics)
Peer reviewedSouthworth, Tom – Physics Teacher, 1990
Presents an experiment to show the energy conservation principle using a bow. Describes how to measure the force and work of the bow and the initial velocity of an arrow. (YP)
Descriptors: Energy, Force, Laboratory Equipment, Laboratory Experiments
Peer reviewedCrane, H. Richard – Physics Teacher, 1989
Discusses the making of a light engine powered by sunlight or a lamp. Describes the materials and construction method with detailed specifications and diagrams. (YP)
Descriptors: College Science, Higher Education, Laboratory Equipment, Laboratory Procedures
Peer reviewedCosby, Ronald M.; Petry, Douglas E. – Physics Teacher, 1989
Discusses the use of saline solutions for demonstrations of buoyancy showing oscillations of the Cartesian diver. Describes the physical principles, preparation, and instructional uses for the demonstration. (YP)
Descriptors: College Science, Demonstrations (Educational), Higher Education, Laboratory Equipment
