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Figuring Physics.
Peer reviewed Peer reviewed
Physics Teacher, 1988
Asks the relationship between mass and skidding distance. Provides a problem with illustrations and an answer. (YP)
Descriptors: Mechanics (Physics), Motion, Physics, Science Tests
Physics and Size in Biological Systems.
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Barnes, George – Physics Teacher, 1989
Described is the subject of biological scaling for physics teachers including examples and in-depth reading. Topics are elements of scaling, terminal velocities, Lilliputian and Brobdingnagian, brain evolution, dolphin echolocation, surface tension, gravity change, food and oxygen, and seeing. Ten references on physics and size, and ten questions…
Descriptors: Biology, Measurement, Physics, Problem Sets
Figuring Physics.
Peer reviewed Peer reviewed
Physics Teacher, 1988
Discusses the average speed differences between hydrogen and oxygen molecules contained in a jar. (YP)
Descriptors: Kinetic Molecular Theory, Physics, Science Education, Science Tests
Questions Students Ask: Beta Decay.
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Koss, Jordan; Hartt, Kenneth – Physics Teacher, 1988
Answers a student's question about the emission of a positron from a nucleus. Discusses the problem from the aspects of the uncertainty principle, beta decay, the Fermi Theory, and modern physics. (YP)
Descriptors: Atomic Structure, Nuclear Physics, Physics, Problem Solving
An Engine that Runs on Light.
Peer reviewed Peer reviewed
Crane, 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