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Showing 121 to 135 of 3,895 results Save | Export
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Thomas, Frederick J.; Chaney, Robert A.; Gruesbeck, Marta – Physics Teacher, 2018
Probeware (sensors combined with data-analysis software) is a well-established part of physics education. In engineering and technology, sensors are frequently paired with actuators--motors, heaters, buzzers, valves, color displays, medical dosing systems, and other devices that are activated by electrical signals to produce intentional physical…
Descriptors: Physics, Science Instruction, Mathematics, STEM Education
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Bednarek, Stanislaw – Physics Teacher, 2018
The most common type of homopolar motor comprises a cylindrical neodymium magnet, a battery, and a non-ferromagnetic frame rotating around the battery. Here, the author substituted a coiled spring for the frame. Due to this change, a new and intriguing effect emerges, the axial buzzing of the spring during its rotation. This paper describes the…
Descriptors: Magnets, Physics, Science Instruction, Scientific Concepts
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Ribeiro, Jair Lúcio Prados – Physics Teacher, 2018
We only became aware of the existence of bed prism spectacles when a student brought them to the classroom and asked us about how they work. The device proved to be a fertile source of curiosity among the students, and, to be properly understood, it required us to develop a comparison between reflection in a typical mirror and total internal…
Descriptors: Physics, Scientific Concepts, Comparative Analysis, Science Education
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Pantaleone, J.; Smith, R. – Physics Teacher, 2018
It is common in science for two phenomena to appear to be very different, but in fact follow from the same basic principles. Here we consider such a case, the connection between the chain fountain and a bullet-block collision experiment. When an upward moving bullet strikes a wooden block resting on a horizontal table, the block will rise to a…
Descriptors: Physics, Science Experiments, Science Instruction, Teaching Methods
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Ayars, Eric; Goff, Tori; Williams, Kirk – Physics Teacher, 2018
Quadcopters (also known as "drones") do not fly in vacuum. This is obvious enough that experimenting on one in a vacuum chamber would seem rather uninteresting, but there is one question that may be usefully addressed by such an experiment: the mechanism for yaw control. Quadcopters control yaw (rotation about the vertical axis) by…
Descriptors: Physics, Science Instruction, Teaching Methods, Science Experiments
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Frodyma, Marc; Le, My Phuong – Physics Teacher, 2018
The transformations of electric and magnetic fields are usually introduced by viewing systems such as a long, straight current-carrying wire and a parallel plate capacitor in two different reference frames. These well-known examples show that magnetism is a necessary consequence of augmenting electrostatics with relativity. Because they require…
Descriptors: Science Instruction, Physics, Scientific Concepts, Magnets
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Adler, Charles L. – Physics Teacher, 2018
The electromotive force (EMF) is the work per unit charge around a wire loop caused by a time-varying magnetic flux threading the loop. It is due to a force moving the charges around the loop. This is true whether the change in flux is due to the wire loop being stationary and the field changing in time, or the loop moving through a spatially…
Descriptors: Physics, Science Instruction, Scientific Concepts, Energy
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Bonham, Scott W. – Physics Teacher, 2018
An important aspect of science education involves helping students learn to read and communicate scientific information and arguments. In this note, I would like to share a resource that I have come across which I have found to be a useful tool for helping students improve those skills, learn content material, and acquaint them with a great…
Descriptors: Science Education, Physics, Scientific and Technical Information, Science Process Skills
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Wheeler, Sam – Physics Teacher, 2018
In 2013, I was an Einstein Fellow with the U.S. Department of Energy and I was asked by a colleague, working in a senator's office, if I would join him in a meeting with a physicist to "translate" the science into something more understandable. That meeting turned out to be a wonderful opportunity I would never have otherwise had. During…
Descriptors: Scientists, Scientific Research, International Organizations, Nuclear Physics
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Greenslade, Thomas B., Jr. – Physics Teacher, 2018
Some of you may remember the 1979 television series "Connections" that was written and narrated by James Burke, a British science writer. Burke's technique was to choose a number of seemingly unrelated ideas and show how they led to developments in science and technology. This is an enjoyable business, even if some of the connections…
Descriptors: Science History, Physics, Scientific Concepts, Energy
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Strunk, Amber; Gazdovich, Jennifer; Redouté, Oriane; Reverte, Juan Manuel; Shelley, Samantha; Todorova, Vesela – Physics Teacher, 2018
This paper provides a brief introduction to antimatter and how it, along with other modern physics topics, is utilized in positron emission tomography (PET) scans. It further describes a hands-on activity for students to help them gain an understanding of how PET scans assist in detecting cancer. Modern physics topics provide an exciting way to…
Descriptors: Physics, Scientific Concepts, Science Activities, Brain
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Wagoner, Kasey; Flanagan, Daniel – Physics Teacher, 2018
The game of baseball provides an interesting laboratory for experimenting with mechanical phenomena (there are many good examples in "The Physics Teacher," available on Professor Alan Nathan's website, and discussed in "Physics of Baseball & Softball"). We have developed a lab, for an introductory-level physics course, that…
Descriptors: Physics, Science Instruction, Scientific Principles, Teaching Methods
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Fahsl, Christoph; Vogt, Patrik – Physics Teacher, 2018
While it has been demonstrated how air resistance could be analyzed by using mobile devices, this paper demonstrates a method of how to determine the drag resistance coefficient "c" of a commercial automobile by using the acceleration sensor of a smartphone or tablet. In an academic context, the drag resistance is often mentioned, but…
Descriptors: Physics, Science Instruction, Teaching Methods, Measurement
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Lincoln, James – Physics Teacher, 2018
I am writing this article to raise awareness of burst mode photography as a fun and engaging way for teachers and students to experience physics demonstration activities. In the context of digital photography, "burst mode" means taking multiple photographs per second, and this is a feature that now comes standard on most digital…
Descriptors: Physics, Demonstrations (Educational), Science Instruction, Photography
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Parra, Alfredo; Ordenes, Jorge; de la Fuente, Milton – Physics Teacher, 2018
Science learning for undergraduate students requires grasping a great number of theoretical concepts in a rather short time. In our experience, this is especially difficult when students are required to simultaneously use abstract concepts, mathematical reasoning, and graphical analysis, such as occurs when learning about RC circuits. We present a…
Descriptors: Science Instruction, Undergraduate Students, Mathematical Models, Scientific Concepts
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