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Showing 1 to 15 of 4,012 results Save | Export
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Lopac, Vjera; Hrupec, Dario – Physics Teacher, 2020
On November 16, 2018, at the 26th meeting of the General Conference on Weights and Measures (CGPM), a resolution was adopted that introduced historical changes into the International System of Units (SI). This decision, effective from May 20, 2019, established that the SI units of measurement will be defined by means of a set of seven fixed…
Descriptors: Physics, Measurement, Scientific Concepts, Conferences (Gatherings)
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Priyanto, Aan; Yusmantoro; Aji, Mahardika Prasetya – Physics Teacher, 2020
When we travel in a train moving at a certain velocity, we observe the stationary objects outside are moving backwards. These stationary objects seem to move due to a relative velocity. Consider that the stationary object outside the train is a man standing on the stationary floor watching a woman moving on a train. The woman on a train will see…
Descriptors: Telecommunications, Handheld Devices, Motion, Physics
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Lincoln, James – Physics Teacher, 2020
A new device for teaching the physics of sound, specifically demonstrating the wavelengths of standing sound waves, is here described. I define a "Lincoln's Tube" as any hollow tube that uses lights (LEDs typically) to demonstrate the presence of sound standing waves. The name is chosen intentionally to recall a Ruben's Tube or a Kundt's…
Descriptors: Physics, Science Instruction, Acoustics, Scientific Concepts
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Ekkens, Tom – Physics Teacher, 2020
Semiconductor devices, usually made from silicon wafers, are present in the electronic gadgets that we use on a daily basis. In an introductory physics class, the textbook usually devotes a few pages to these devices and moves on. As a result, students may readily forget the material or fail to see how it relates to their lives. A solution is to…
Descriptors: Physics, Science Instruction, Introductory Courses, Electronics
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Gearhart, Bradley; MacIsaac, Dan – Physics Teacher, 2020
Light rays refract when passing through pockets of transparent fluids with different indices of refraction such as ordinary air pockets of varying temperature. This phenomenon makes night stars twinkle, distorts views above hot asphalt roads and hot barbeque grills, and provides an opportunity for visualizing the normally invisible movement of…
Descriptors: Light, Physics, Science Instruction, Visualization
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Goldman, Jesse; McNichols, Andrew; Pipes, Robert – Physics Teacher, 2020
In this paper, we describe a study of cosmic ray muon rates and energies at various elevations on Mauna Kea on the island of Hawaii. The study was originally conceived as an extension to the upper-division modern physics laboratory at the University of Hawaii at Hilo and used the TeachSpin Muon Physics apparatus (abbreviated TSMP below) from that…
Descriptors: Astronomy, Physics, Science Instruction, Energy
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Fotou, Nikolaos; Abrahams, Ian – Physics Teacher, 2020
Research in physics teaching has supported the use of analogies as an effective instructional tool that can be used to facilitate students' understanding of physics concepts. The effectiveness of analogies lies in that they allow students to form cognitive links between what they already know and what they are learning, harmoniously integrating,…
Descriptors: Physics, Science Instruction, Teaching Methods, Logical Thinking
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Phan-Budd, Sarah – Physics Teacher, 2020
It can be a challenge to come up with simple demonstrations of circular motion and conservation of energy. One such demonstration consists of a large exercise ball, off of which a small solid ball is rolled. The small ball is coated in finger paint so, after an initial push, it rolls nearly without slipping and creates a visible track.
Descriptors: Physics, Science Instruction, Motion, Energy
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Bozzo, G. – Physics Teacher, 2020
As soon as children can see, they observe that objects fall freely. From a young age, we spontaneously construct interpretative models to understand this everyday phenomenon. Over the last three decades, numerous experiments have been developed to help students understand physics concepts regarding free fall. Although there are many…
Descriptors: Secondary School Science, Science Instruction, Physics, Teaching Methods
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Ball, Doug; Tofel-Grehl, Colby – Physics Teacher, 2020
Electric potential is one of the most challenging concepts taught in high school physics classes due to the abstract nature of the concept. When taught, electric potential is often taught using a poorly triangulated set of instructional analogies, each possessing different strengths and limitations. Within this paper we share our learning from a…
Descriptors: High School Students, Physics, Science Instruction, Energy
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Xiong-Skiba, P.; Buckner, S.; Little, C.; Kovalskiy, A. – Physics Teacher, 2020
This paper reports our work on replacing lab report grading by post-online lab quizzes using Desire2Learn (D2L, an online course management software), specifically, how we circumvent some of the limitations imposed by D2L and the outcomes.
Descriptors: Grading, Physics, Science Tests, Computer Assisted Testing
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Brízová, Leontýna; Šlégr, Jan; Vánová, Kamila – Physics Teacher, 2020
In this paper, we discuss the theory of the operation and some practical considerations for the construction of an air ionization chamber, which can be used as a very simple detector of alpha particles. These detectors have several benefits compared to spinthariscopes and spark detectors. Classical experiments with ionization chamber detectors are…
Descriptors: Science Instruction, Laboratory Equipment, Science Laboratories, Measurement Equipment
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Pasachoff, Jay M.; Mativi, Jason W. – Physics Teacher, 2020
To span the great distance from the solar system to the farthest clusters of galaxies in the universe, astronomers break down the distance indicators into steps. The nearest ones are measured geometrically, with what is known as parallax. Among the objects whose distances are thus directly measured are a rare type of star known as a Cepheid…
Descriptors: Science Instruction, Astronomy, Measurement Techniques, Science Laboratories
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Greenslade, Thomas B., Jr. – Physics Teacher, 2020
One of the memories of my freshman year at Amherst was a lecture in the required physics/calculus course in which Arnold Arons quoted Isaac Newton on standing on the shoulders of giants. Now that I have spent my physics career, I still use the same quote, but now apply it to the eponymous apparatus that has been designed by the giants in our field.
Descriptors: College Science, Science Education, Required Courses, Physics
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Williams, Jennifer A. – Physics Teacher, 2020
I am a parent first and foremost, but I am also an educator. What does one role have to do with the other? I realized that the different identities that make me who I am are not independent of each other during the process of formulating my teaching philosophy. Realizing the link between the different identities in my life influenced my teaching…
Descriptors: Parenting Styles, Parent Attitudes, Teacher Role, Parent Role
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