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A Simple Method to Measure the Local Geomagnetic Field Accurately in a First-Year Physics Laboratory
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Wang, Si; Huang, Shiqi; Liu, Chenchen; Tang, Ziqian; Shi, Qingfan; Schulte, Jurgen – Physics Teacher, 2021
The directional feature of Earth's geomagnetic field has been contributing to the technological development and prosperity of humankind since the invention of the magnetic compass navigation centuries ago. Today, for instance, magnetoresistance sensors are commonly used in nanosatellites and unmanned aerial vehicles for high accuracy geomagnetic…
Descriptors: Measurement Techniques, Magnets, Accuracy, Geophysics
Geothermal Energy--The Furnace in the Basement.
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Smith, Morton C. – Physics Teacher, 1978
Discusses the potential and feasibility of future widespread exploitation of the vast geothermal energy resources, that could greatly reduce the need for other forms of energy resources. (GA)
Descriptors: Energy, Energy Conservation, Geophysics, Heat
Radioactivity and Nuclear Clocks
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Kowalski, Ludwik – Physics Teacher, 1976
Reviews the basic principles and methods of nuclear chronalogy or radiometric dating. Includes rubidium-strontium dating, radiocarbon dating, and an outline of recent findings. (MLH)
Descriptors: College Science, Geophysics, Higher Education, Instructional Materials
The Physics of Petroleum Exploration
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Levin, Franklyn K. – Physics Teacher, 1976
Describes petroleum exploration techniques, particularly the interpretation of seismograms. (CP)
Descriptors: Fuels, Geology, Geophysics, Instructional Materials
The Atmosphere as a Science Classroom Resource
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Norton, Thomas W. – Physics Teacher, 1971
Descriptors: Demonstrations (Educational), Earth Science, Geophysics, Instruction
Ionospheric Method of Detecting Tsunami-Generating Earthquakes.
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Najita, Kazutoshi; Yuen, Paul C. – Physics Teacher, 1978
Reviews the earthquake phenomenon and its possible relation to ionospheric disturbances. Discusses the basic physical principles involved and the methods upon which instrumentation is being developed for possible use in a tsunami disaster warning system. (GA)
Descriptors: Acoustics, Earth Science, Earthquakes, Electronic Equipment
A New Look for Coriolis.
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Levi, F. A. – Physics Teacher, 1988
Describes a demonstration of Coriolis acceleration. Discusses two different meanings of "Coriolis" and two causes of Coriolis acceleration. Gives a set-up method of the demonstration apparatus by using a rotary disk with rubber tubing for tap water, switches, lamps, battery, and counterweight. Provides two pictures with operating method.…
Descriptors: College Science, Geophysics, Higher Education, Mechanics (Physics)
Student Participation in a P- and S-wave Demonstration.
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Mylroie, John E. – Physics Teacher, 1978
Describes a demonstration of P and S (longitudinal and transverse waves), using students' bodies as media, to explain seismic waves in a geology course. (GA)
Descriptors: College Science, Demonstrations (Educational), Earth Science, Geology
Leeuwenhoek's "Proof" of the Earth's Rotation.
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Kruglak, Haym; Johnson, Rand H. – Physics Teacher, 1995
Leeuwenhoek's demonstration proving the Earth's rotation, which leads to some significant errors in reasoning, can be reproduced from this article and used to provide an interesting discussion in undergraduate astronomy and physics courses or clubs. (LZ)
Descriptors: Astronomy, Demonstrations (Science), Earth Science, Geophysics
Cosmic Rays and Eclipses
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Korff, Serge A. – Physics Teacher, 1975
Considers cosmic rays and relationship to fields of geophysics and astrophysics. Reveals importance of solar eclipses in the study of cosmic radiation. (CP)
Descriptors: Astronomy, College Science, Earth Science, Geophysics
Why Do Tides Exist?
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Whithers, Mitchell M. – Physics Teacher, 1993
Presents a mathematical explanation for the development of tidal activity. (MVL)
Descriptors: Earth Science, Geophysics, Higher Education, Mathematical Applications