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Krusberg, Zosia; Coalson, Elam; Feldman, Andrew – Physics Teacher, 2023
One of the objectives of the undergraduate physics curriculum is for students to become aware of the connections between formal physical principles and personal experience. However, research has shown that awareness of connections between the abstract and the experiential tends to deteriorate, sometimes significantly, after instruction in…
Descriptors: Magnets, Undergraduate Students, Physics, Science Education
Berger, Roland; Lensing, Philipp – Physics Teacher, 2023
In physics education, the topic of electromagnetic induction is an important but also challenging topic for many students. The early introduction of formulae, e.g., Faraday's law of induction, seems to hinder rather than to foster the understanding of the topic's underlying principles. In this paper, we present the basic idea for a teaching…
Descriptors: Teaching Methods, Magnets, Physics, Computer Simulation
Riccardi, P.; Prete, G.; Chiappetta, F.; Meringolo, C. – Physics Education, 2023
This work discusses a didactic path aimed at revisiting the first experiments on the transmission and detection of electromagnetic waves, performed by Guglielmo Marconi at the end of the 19th century. With very simple materials it is possible to set-up apparatus that allow to illustrate practically the simple physical picture of wireless…
Descriptors: Telecommunications, Energy, Magnets, Laboratory Equipment
Morris, Steven L. – Physics Teacher, 2022
It is difficult for an instructor to just make up valid numbers for B[subscript x], B[subscript y], B[subscript z], E[subscript x], E[subscript y], and E[subscript z] in the creation of homework problems and test questions calculating the Poynting vector. In this paper, 25 examples are given of the electric and magnetic fields of electromagnetic…
Descriptors: Science Instruction, Physics, Energy, Magnets
Kyla Adams; Anastasia Lonshakova; David Blair; David Treagust; Tejinder Kaur – Teaching Science, 2024
Quantum science is in the news daily and engages students' interest and curiosity. A fundamental quantum science concept that underpins medical imaging, quantum computing and many future technologies is quantum spin. Quantum spin can explain many physical phenomena that are in the lower secondary school curriculum, such as magnetism and light,…
Descriptors: Quantum Mechanics, Science Instruction, Physics, Science Activities
Proctor, John E.; Gould, Harvey Thomas – Physics Teacher, 2023
The mathematical form of the magnetic field due to a current loop, and the fact that it is identical to the electric field due to an electric dipole in the far field, are fundamental to our understanding of electromagnetism. While undergraduate level electromagnetism textbooks usually derive the electric field from an electric dipole, few derive…
Descriptors: Science Instruction, Energy, Magnets, College Science
Nalence, Eugene Edward – Physics Teacher, 2022
The measurement of the charge-to-mass ratio, e/m, of the electron is a fundamental part of any study of electricity and magnetism. It is possible to use an apparatus designed to measure e/m for other things, including investigations of electron flow through a near vacuum, measuring a work function, and even exploring some quantum mechanics…
Descriptors: Science Instruction, Science Experiments, Energy, Magnets
Fontes, Daniel T. M.; Rodrigues, André Machado – Physics Teacher, 2021
Electromagnetism is a complex topic for students at different educational levels. Perhaps one of the reasons for this is that students are unable to visualize the forces, fields, currents, and other electromagnetism key concepts that are related to the topic. Most teachers address this difficulty by including the use of some technological…
Descriptors: Scientific Principles, Magnets, Science Experiments, Scientific Concepts
Saslow, Wayne Mark – Physics Teacher, 2022
This work provides a missing manual needed to understand permanent magnets (also known as "hard" magnets), the only source of "magnetic induction field B" (units of teslas), often called the magnetic field, that students are familiar with when they confront magnetic force acting on moving charges. Students see this magnetic…
Descriptors: Science Instruction, Magnets, Scientific Concepts, Electronic Equipment
Ha, Hyejin; Jang, Taehun; Sohn, Sang Ho; Kim, Junghwa – Physics Teacher, 2022
A solenoid is a coil wound many times on a cylinder of length greater than its diameter. Solenoids are mainly used as electromagnets, because a magnetic field is formed when current flows through a solenoid. The solenoid described in secondary school and university textbooks is a single-layered solenoid. Further, textbooks and papers focusing on…
Descriptors: Magnets, Secondary School Science, College Science, Textbooks
Lincoln, James – Physics Teacher, 2020
It has now been over 100 years since Heinrich Barkhausen published his description of a crackling sound heard when a piece of iron is magnetized inside of a coil wired to a set of headphones, and this phenomenon provided evidence for the theory of magnetic domains. Traditionally, this effect is performed as a demonstration by connecting the coil…
Descriptors: Physics, Acoustics, Magnets, Audio Equipment
Behroozi. F. – Physics Teacher, 2021
The stately fall of magnets through conducting pipes is a favorite classroom and laboratory activity used in teaching electromagnetic induction, Lenz's law, eddy currents, electromagnetic braking, and even Newton's third law. When a neodymium magnet is used, the terminal velocity is reached in just a few milliseconds as the induced eddy currents…
Descriptors: Magnets, Science Activities, Motion, Equations (Mathematics)
Poverty & Race Research Action Council, 2024
Magnet schools employ a variety of methods in order to enroll a diverse student body, such as targeted outreach, free and accessible transportation, encouraging choice across school districts, intentional school siting, and employing equitable lottery-based admissions policies. Many magnets also offer innovative programs around an attractive and…
Descriptors: Magnet Schools, Institutional Cooperation, Housing, Transportation
Sun, Xiaohua; Liu, Haochen; Liang, Peng – IEEE Transactions on Education, 2023
Contribution: This research designs an experimental education project of an automatic material magnetism properties measurement system. It explores how the do-it-yourself (DIY), hands-on establishment, and hardware-software integration experiment system could be leveraged to enhance the understanding of the electromagnetism theory and…
Descriptors: Magnets, Hands on Science, Technology Uses in Education, Automation
Haertel, Hermann – Physics Teacher, 2022
The question of how the processes around the Faraday generator with its rotating magnet should be interpreted has been controversial since its discovery by Faraday. Does the magnetic field rotate together with the rotating magnet or does it remain stationary? Furthermore, does one only need Faraday's flux law to interpret inductive processes, or…
Descriptors: Science Instruction, Physics, Laboratory Equipment, Magnets