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Alho, J.; Silva, H.; Teodoro, V.; Bonfait, G. – Physics Education, 2019
In the field of physics teaching, the simple pendulum provides a very simple way to study the harmonic oscillator, the source of some fundamental concepts such as periodicity, relaxation time and anharmonicity. As such, its experimental study is frequently integrated into high school or first year university programs. With this in mind, in this…
Descriptors: Physics, Science Instruction, Motion, High Schools
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Rosi, Tommaso; Gratton, Luigi M.; Onorato, Pasquale; Oss, Stefano – Physics Education, 2019
We propose to reconsider the well-known experiment about the interference of white light from a thin soap film by adopting as an illuminating source the RGB triad produced by a LED projector. The interference pattern shows up in a particularly fascinating way and it contains direct, essential information about both the wave nature of light and of…
Descriptors: Science Instruction, Science Experiments, Light, Scientific Concepts
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de Jesus, V. L. B.; Pérez, C. A. C.; de Oliveira, A. L.; Sasaki, D. G. G. – Physics Education, 2019
Currently, the number of smartphones with an embedded gyroscope sensor has been increasing due games whose performance relies on 3D augmented reality. In general, teaching papers on the gyroscope sensor address very simple spatial configuration, where the fixed rotation axis coincides to the z-axis of the smartphone. This work presents five…
Descriptors: Science Instruction, Scientific Concepts, Motion, Teaching Methods
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Ait Tahar, M.; Schadschneider, A.; Stollenwerk, J. – Physics Education, 2019
This article is about the development of an Internet-based remotely-controlled physical experiment, this is a part of the Remotely Controlled Laboratory at the University of Applied Sciences of Cologne known as TH Köln. The main experimental set-up is based on Pohl's Torsion Pendulum which was enhanced by a PXI measurement system and a webcam. In…
Descriptors: Educational Technology, Technology Uses in Education, Science Experiments, Science Laboratories
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Bonato, Jacopo; Gratton, Luigi M.; Onorato, Pasquale; Oss, Stefano – Physics Education, 2017
We propose the use of smartphone-based slow-motion video analysis techniques as a valuable tool for investigating physics concepts ruling mechanical wave propagation. The simple experimental activities presented here, suitable for both high school and undergraduate students, allows one to measure, in a simple yet rigorous way, the speed of pulses…
Descriptors: Physics, Science Instruction, Mechanics (Physics), College Science
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Cunha, Ricardo F. F.; Tort, A. C. – Physics Education, 2017
Newton's law of universal gravitation underpins our understanding of the dynamics of the Solar System and of a good portion of the observable universe. Generally, in the classroom or in textbooks, the law is presented initially in a qualitative way and at some point during the exposition its mathematical formulation is written on the blackboard…
Descriptors: Physics, Science Instruction, Scientific Principles, Astronomy
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Paulins, Paulis; Krauze, Armands; Ozolinsh, Maris; Muiznieks, Andris – Physics Education, 2016
The article focuses on the process of water warming from 0 °C in a glass. An experiment is performed that analyzes the temperature in the top and bottom layers of water during warming. The experimental equipment is very simple and can be easily set up using devices available in schools. The temperature curves obtained from the experiment help us…
Descriptors: Science Instruction, Water, Physics, Scientific Concepts
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Ladino, L. A.; Rondón, S. H. – Physics Education, 2015
In this paper, we present a low-cost method to study the Gay-Lussac's law. We use a heating wire wrapped around the test tube to heat the air inside and make use of a solid state pressure sensor which requires a previous calibration to measure the pressure in the test tube.
Descriptors: Science Instruction, Science Experiments, Scientific Concepts, Heat
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Cross, Rod – Physics Education, 2015
The act of swinging an object such as a hammer or a tennis racket involves the application of forces and torques in a manner that is intuitively obvious to the person performing the task, but is probably much less obvious to the average physics student. This article describes the basic mechanics of the problem.
Descriptors: Science Instruction, Motion, Scientific Principles, Mechanics (Physics)
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Ladino, L. A.; Rondón, S. H. – Physics Education, 2015
A method to determine the temperature dependence of copper wire resistance is described in this paper.
Descriptors: Science Instruction, Physics, Metallurgy, Thermodynamics
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Christensen, Rasmus S.; Teiwes, Ricky; Petersen, Steffen V.; Uggerhøj, Ulrik I.; Jacoby, Bo – Physics Education, 2014
There is a popular myth that Galileo dropped two objects of the same shape but different mass, noted their equal fall time, and concluded that gravitational motion is independent of the mass of the object. This paper demonstrates that this experiment--if actually performed--most likely would have yielded a different result and thus with modern…
Descriptors: Science Instruction, Science Experiments, Physics, College Science
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Cowley, Michael; Hughes, Stephen – Physics Education, 2014
This paper describes a simple activity for plotting and characterizing the light curve from an exoplanet transit event by way of differential photometry analysis. Using free digital imaging software, participants analyse a series of telescope images with the goal of calculating various exoplanet parameters, including size, orbital radius and…
Descriptors: Light, Science Activities, Physics, High Schools
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Oliveira, V. – Physics Education, 2014
We compare the period of oscillation of an ideal simple pendulum with the period of a more "real" pendulum constituted of a rigid sphere and a rigid slender rod. We determine the relative error in the calculation of the local acceleration of gravity if the period of the ideal pendulum is used instead of the period of this real pendulum.
Descriptors: Science Instruction, Physics, Scientific Principles, Motion
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Carroll, Joshua; Hughes, Stephen – Physics Education, 2013
A simple but accurate method for measuring the Earth's radius using a video camera is described. A video camera was used to capture a shadow rising up the wall of a tall building at sunset. A free program called ImageJ was used to measure the time it took the shadow to rise a known distance up the building. The time, distance and length of…
Descriptors: Video Technology, Photography, Measurement Techniques, Physics
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Miller, Jon S.; Windelborn, Augden F. – Physics Education, 2013
The activities described here allow students to explore the concept of diffusion with the use of common equipment such as computers, webcams and analysis software. The procedure includes taking a series of digital pictures of a container of water with a webcam as a dye slowly diffuses. At known time points, measurements of the pixel densities…
Descriptors: Science Instruction, Scientific Concepts, Educational Technology, Physics