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A Century of Light-Bending Measurements: Bringing Solar Eclipses into the Classroom
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Goldoni, Emanuele; Stefanini, Ledo – Physics Education, 2020
In 1919, Eddington and Dyson led two famous expeditions to measure the bending of light during a total solar eclipse. The results of this effort led to the first experimental confirmation of Einstein's General Relativity and contributed to create its unique and enduring fame. Since then, similar experiments have been carried out all around the…
Descriptors: Science Instruction, Light, Physics, Scientific Concepts
The Parallel Globe: A Powerful Instrument to Perform Investigations of Earth's Illumination
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Rossi, Sabrina; Giordano, Enrica; Lanciano, Nicoletta – Physics Education, 2015
Many researchers have documented the difficulties for learners of different ages and preparations in understanding basic astronomical concepts. Traditional instructional strategies and communication media do not seem to be effective in producing meaningful understanding, or even induce misconceptions and misinterpretations. In line with recent…
Descriptors: Physics, Science Education, Earth Science, Astronomy
Skateboard/Longboard Speedometer Project
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Hare, Jonathan – Physics Education, 2012
A simple, low-cost infrared LED speedometer is described that can be fitted to a skateboard, longboard or even a bicycle to measure speed. Notes on building, setting up and calibration are given. When used with a low-cost data logger, continuous measurements of speed can be made while out and about. The device forms an interesting science club…
Descriptors: Science Activities, Measurement Equipment, Science Instruction, Physics
Conceptual and Laboratory Exercise to Apply Newton's Second Law to a System of Many Forces
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Mungan, Carl E. – Physics Education, 2012
A pair of objects on an inclined plane are connected together by a string. The upper object is then connected to a fixed post via a spring. The situation is first analysed as a classroom exercise in using free-body diagrams to solve Newton's second law for a system of objects upon which many different kinds of force are acting (string tension,…
Descriptors: Physics, Science Instruction, Science Laboratories, Motion
One-Dimensional Collision Carts Computer Model and Its Design Ideas for Productive Experiential Learning
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Wee, Loo Kang – Physics Education, 2012
We develop an Easy Java Simulation (EJS) model for students to experience the physics of idealized one-dimensional collision carts. The physics model is described and simulated by both continuous dynamics and discrete transition during collision. In designing the simulations, we discuss briefly three pedagogical considerations namely (1) a…
Descriptors: Physics, College Science, Experiential Learning, Feedback (Response)
A Direct Reading Thermometer Based on a Silicon Diode.
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Kirkup, L.; Tonthat, C. – Physics Education, 1998
Describes a simple circuit based on an inexpensive quad operational amplifier that permits a direct-reading temperature instrument to be constructed using silicon diodes. Encourages the use of this equipment in introductory thermal experiments. (DDR)
Descriptors: Computer Interfaces, Data Collection, Foreign Countries, Higher Education
A National Survey of Background Alpha-particle Radioactivity.
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Camplin, Geoffrey C.; And Others – Physics Education, 1988
Reports the results of a radioactivity survey in England. Discusses the aim of the survey, experimental procedures, analysis, and results. Shows several diagrams, graphs, and tables. (YP)
Descriptors: College Science, Data Collection, Foreign Countries, Higher Education