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Biswas, Subhrajyoti – Physics Education, 2022
This article presents the study of Fourier series experimentally, using the "ExpEYES"-17 kit in a different way. This familiar undergraduate experiment has been performed for teaching online laboratory classes when face-to-face classes were not possible, due to the "COVID"-19 pandemic. We chose parabolic and sawtooth waveforms,…
Descriptors: Physics, Science Instruction, Teaching Methods, Science Experiments
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de Sousa, Gabriel L. A.; Cardoso, George C. – Physics Education, 2018
We use analogies to provide introductory laboratory students intuition into measurement uncertainties. Using a battery-resistor circuit we discuss uncertainty concepts and derive expressions for uncertainty of the mean and sums of uncertainties. Finally, we draw attention to the fact that the interpretation of standard deviation as uncertainty…
Descriptors: Physics, Science Instruction, Statistical Analysis, Introductory Courses
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Minkin, Leonid; Whiting, Percy – Physics Education, 2018
Problems of optimization in natural science, technology, economics, and management are of great interest. Students also usually find them intriguing. However, the selection of such problems in introductory undegraduate physics textbooks is very limited and should be broadened. To that end, a model of traffic flow optimization, simple enough for…
Descriptors: Undergraduate Students, Physics, Science Instruction, Motor Vehicles
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Mehta, Vedant; Lane, Charles D. – Physics Education, 2018
SenseCube is a multisensor capable of measuring many different real-time events and changes in environment. Most conventional sensors used in introductory-physics labs use their own software and have wires that must be attached to a computer or an alternate device to analyze the data. This makes the standard sensors time consuming, tedious, and…
Descriptors: Physics, Science Instruction, Teaching Methods, Laboratory Experiments
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Guo, Siming – Physics Education, 2020
This study compares synchronous versus asynchronous online teaching in an introductory calculus-based physics class. Like many schools, our institution transitioned to online teaching during the COVID-19 pandemic. We held optional synchronous online sessions during the original class time, and approximately half of our students were regular…
Descriptors: Physics, Distance Education, Science Instruction, COVID-19
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Mason, Andrew; Singh, Chandralekha – Physics Education, 2016
The ability to categorize problems based upon underlying principles, rather than contexts, is considered a hallmark of expertise in physics problem solving. With inspiration from a classic study by Chi, Feltovich, and Glaser, we compared the categorization of 25 introductory mechanics problems based upon similarity of solution by students in large…
Descriptors: Physics, Introductory Courses, Science Process Skills, Classification