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Kaufman, Richard – European Journal of Physics Education, 2019
The first law of thermodynamics does not forbid heat engines with 100% thermodynamic efficiency; it is the second law of thermodynamics which states that heat engines cannot obtain 100% efficiency. Can the first law ever show this second law result? Yes. We show that the first law alone can show that some heat engines cannot achieve efficiencies…
Descriptors: Thermodynamics, Scientific Principles, Heat, Efficiency
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Härtel, Hermann – European Journal of Physics Education, 2018
The well-known historical development of Electromagnetism, strongly influenced by the work of Faraday and Maxwell, has led to the introduction of the magnetic field as an important component to explain the diverse phenomena of electromagnetic induction. This historical development is compared in the form of a thought experiment with a possible…
Descriptors: Physics, Science Instruction, Scientific Concepts, Electronics
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Härtel, Hermann – European Journal of Physics Education, 2018
The classical physics treatment of "Electromagnetic Induction" is based on Faraday's Law and Lorentz Force. This paper presents an alternative approach, based on Wilhelm Weber´s Fundamental Force Law of Electrodynamics. It covers mutual induction, self-induction, parallel and anti-parallel currents, and currents in the same and opposite…
Descriptors: Energy, Scientific Concepts, Scientific Principles, Physics
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Kianian, Kiarash; Bozorgmehr, Aria – European Journal of Physics Education, 2017
In this paper, we indicate the difference between energy equation and the center of mass equation by an especially example. According to our opinion, in teaching mechanics, we should more clearly an integral of Newton's second law and the energy equation. Maybe this leads to greater clarity in the notions of system, work and energy.
Descriptors: Mechanics (Physics), Energy, Equations (Mathematics), Kinetics
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Ünlü Yavas, Pervin; Kizilcik, Hasan Sahin – European Journal of Physics Education, 2016
The aim of this study is to identify the reasons why pre-service physics teachers have difficulties related to special relativity topics. In this study conducted with 25 pre-service physics teachers, the case study method, which is a qualitative research method, was used. Interviews were held with the participants about their reasons for…
Descriptors: Preservice Teachers, Physics, Scientific Principles, Science Education
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Dean, Kevin; Mathew, Jyothi – European Journal of Physics Education, 2016
A theoretical analysis is presented, showing the derivations of seven different linearization equations for the conical pendulum period "T", as a function of radial and angular parameters. Experimental data obtained over a large range of fixed conical pendulum lengths (0.435 m-2.130 m) are plotted with the theoretical lines and…
Descriptors: Equations (Mathematics), Motion, Science Experiments, Physics
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Damli, Seher; Ünlü Yavas, Pervin – European Journal of Physics Education, 2015
The aim of this study is to introduce an activity on magnetic fields prepared in order to improve high school students' views on the nature of science. The activity was prepared according to explicit-reflective approach, which is one of the nature of science teaching methods. The nature of science elements intended to obtain with the activity are…
Descriptors: Scientific Principles, Science Instruction, Science Activities, Magnets
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Carchon, Roland; Segers, Danny – European Journal of Physics Education, 2015
We repeated the historical infra-red radiation experiments performed by Melloni, to investigate why, at the end of his life, he came to the conclusion that radiation from light and heat rely on the same basic principle, what has been translated as the so called unitary formalism. In doing so, we profited from a Master thesis on heat radiation and…
Descriptors: Physics, Science Instruction, Radiation, Teaching Methods
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Ince, Elif; Acar, Yavuz; Temur, Senem – European Journal of Physics Education, 2015
Physics education through physics toys is quite a popular method in foreign countries yet it is still not applied in our country. The aim of this study is to investigation of physics toys' effectiveness of students' physics principles explanation and their attitude towards physics toys. Selected physics toys include subjects of mechanic,…
Descriptors: Toys, Physics, Science Instruction, Undergraduate Students
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Singh, Satya Pal – European Journal of Physics Education, 2014
This paper presents a brief review of Ising's work done in 1925 for one dimensional spin chain with periodic boundary condition. Ising observed that no phase transition occurred at finite temperature in one dimension. He erroneously generalized his views in higher dimensions but that was not true. In 1941 Kramer and Wannier obtained…
Descriptors: Physics, Scientific Principles, Magnets, Motion
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Shivalingaswamy, T.; Rashmi, P. E. – European Journal of Physics Education, 2014
The accurate measurement of speed of light is of great importance in understanding various concepts in Physics in particular and science in general. In Physics we come across various concepts and applications in which high degree of accuracy of speed of light becomes important. In this article we discuss the various attempts made to determine the…
Descriptors: Measurement, Measurement Techniques, Light, Physics
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Montecinos, Alicia M. – European Journal of Physics Education, 2014
A partially unusual behaviour was found among 14 sophomore students of civil engineering who took a pre test for a free fall laboratory session, in the context of a general mechanics course. An analysis contemplating mathematics models and physics models consistency was made. In all cases, the students presented evidence favoring a correct free…
Descriptors: Misconceptions, Civil Engineering, Graphs, Pretesting
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Forjan, Matej; Sliško, Josip – European Journal of Physics Education, 2014
This article presents the results of an analysis of three Slovenian textbooks for high school physics, from the point of view of simplifications and idealizations in the field of mechanics. In modeling of physical systems, making simplifications and idealizations is important, since one ignores minor effects and focuses on the most important…
Descriptors: Mechanics (Physics), High Schools, Curriculum, Curriculum Research
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MacLeod, Katarin – European Journal of Physics Education, 2014
Science, Technology, Society and Environment (STSE) education has received attention in educational research, policy, and science curricula development, yet less advancement has been made in moving theory into practice. There are many examples of STSE-based teaching in science at the elementary and secondary levels, yet little has focused…
Descriptors: Preservice Teachers, Student Teacher Attitudes, High Schools, Secondary School Science
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Matehkolaee, M. Jafari; Asrami, A. Naderi – European Journal of Physics Education, 2013
In this paper we have a full review on the surface charge density at disordered conductor surfaces. Basically, reading text books does not resolve ambiguities in this field. As far as is possible, we have tried to the concepts easier to turn. In fact we will answer two questions. One of them is that why do charges tend to go where the curvature is…
Descriptors: Scientific Concepts, Physics, Science Instruction, Energy
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