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Härtel, Hermann – European Journal of Physics Education, 2020
Based on a publication of Assis, where the most straightforward and oldest motor is described, first constructed by Ampère, a simple experiment is added to demonstrate once again, why published explanations about its principle of operation and especial the kind how Newton's 3rd principle is used has to be rejected. Ampère's description of his…
Descriptors: Science Experiments, Scientific Principles, Physics, Magnets
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Faletic, Sergej – Physics Education, 2020
The magnetic switch is part of common low-cost devices such as window alarms. Its operation is based on magnetic properties of ferromagnetic material. The paper describes our experience with using window alarm device in a course called 'How things work', which is elective course for first year physics majors. Specifically, we report on the…
Descriptors: Magnets, Science Activities, College Freshmen, Physics
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Morán, Paloma – Biochemistry and Molecular Biology Education, 2020
Distance learning requires the combined use of techniques because it is more complicated to keep the students' attention. This exercise is designed to explain the inactivation of the x-chromosome in humans and is intended to complement the theoretical explanations. It is estimated that it lasts two hours and makes use of different web resources.…
Descriptors: Distance Education, Educational Technology, Electronic Learning, Science Instruction
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Tan, Michael – Cultural Studies of Science Education, 2020
This forum paper responds to the article summarising the similarities between science, technology, societies, and the environment; socio-scientific inquiry; and socially acute questions. Collectively called science in context (SinC), the authors propose that philosophers, borrowing Marx, should also change the world, and not merely interpret it.…
Descriptors: Science Education, Role of Education, Science and Society, Context Effect
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Andersen, W. L. – Physics Teacher, 2020
It often falls to a physicist to teach a conceptual astronomy course. It is easy to justify a treatment of general relativity in the context of massive stars, black holes, and cosmology. There are a number of good books available to serve as texts or references, including Thorne's "Black Holes and Time Warps: Einstein's Outrageous…
Descriptors: Physics, Science Instruction, Science Laboratories, Astronomy
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Kraus, Simon F. – Physics Education, 2020
Throughout the long history of astronomy, scientists have repeatedly written fictional stories, which often lend themselves to use in the classroom thanks to the authors' in-depth knowledge and an appealing storyline. This article uses the novel 'The Black Cloud', written by the well-known astronomer Fred Hoyle, to show which physical-astronomical…
Descriptors: Astronomy, Novels, Science Fiction, Thermodynamics
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Önder, Fatih; Önder, Esra Bilal; Ogur, Mehmet – Physics Teacher, 2020
Transistors are semiconductor devices that form the basis of today's electronic technology. Following the first step of developing a point-contact transistor developed by Walter Brattain and John Bardeen in 1947, the development of the junction transistor by William Shockley in early 1948 opened the way for rapid progress in electronic technology.…
Descriptors: Physics, Science Instruction, Electronics, Technological Advancement
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Kucukozer, Huseyin; Yurumezoglu, Kemal; Kucukozer, H. Asuman; Isildak, R. Suat – Physics Education, 2020
In this study, the tilt of the Earth's axis was measured during a lunar eclipse using a telescope based on the angle between the lunar orbit and ecliptic planes being considered as approximately zero. The presented method not only offers a practical and reliable way of measuring the axial tilt of the Earth during a lunar eclipse but also helps in…
Descriptors: Physics, Science Instruction, Teaching Methods, Astronomy
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Cohen, Ariel – Journal of Astronomy & Earth Sciences Education, 2020
The connections between astronomy and timekeeping are longstanding. One approach to the teaching of Astronomy is it can serve as a unique platform to illustrate the advancement of science from ancient times along with the strong interrelation between science and religion. Here we chose to describe the influence of astronomical measurements that…
Descriptors: Astronomy, Time, Islam, Science History
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Vasconcelos, Lucas; Kim, ChanMin – Educational Technology Research and Development, 2020
Learning standards for K-12 science education emphasize the importance of engaging students in practices that scientists perform in their profession. K-12 teachers are expected to engage students in scientific modeling, which entails constructing, testing, evaluating, and revising their own models of science phenomena while pursuing an epistemic…
Descriptors: Coding, Science Education, Science Instruction, Models
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Elen, Ken; Hardy, An; Van Bael, Marlies K. – Journal of Chemical Education, 2020
The redox reaction between dioxovanadium(V) and oxalate is proposed as a suitable system to analyze the kinetics of a twostep reaction mechanism using UV-vis spectroscopy. First, the spectra of dioxovanadium(V) and its reduced counterpart oxovanadium(IV) are compared and explained using the crystal field theory. The change in absorbance can be…
Descriptors: College Science, Chemistry, Undergraduate Students, Laboratory Experiments
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Bowen, G. Michael; Stelmach, Bonnie – Canadian Journal of Science, Mathematics and Technology Education, 2020
Considering the number of students who participate in them each year, science fairs are an under-researched area of science education. As part of a broader research agenda examining and conceptualizing science fairs, in this study we interviewed parents who had children who had participated in science fairs and were now in university. Parents…
Descriptors: Science Fairs, Student Projects, Parent Role, Science Education
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Haverkamp, Nils; Holz, Christoph; Ubben, Malte; Pusch, Alexander – Physics Teacher, 2020
The Michelson interferometer is one of the key experiments in modern physics when it comes to the topic of interference (Box 1). Experiments using interferometry have a high historic relevance as well as uses in current areas of research (quantum erasers, gravitational wave detection) and are used in higher education. Because of the high cost of…
Descriptors: Measurement Equipment, Toys, Physics, Science Experiments
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Ali, Numan; Ullah, Sehat – Journal of Chemical Education, 2020
Different virtual chemistry laboratories (VCLs) have been developed with which students can perform and practice their practical and experimental work, thus increasing their learning before performing the same work in a real chemistry laboratory. In this paper, we present an analysis of the existing virtual chemistry laboratories by identifying…
Descriptors: Computer Simulation, Electronic Learning, Hands on Science, Chemistry
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Jackson, Benjamin A.; Harshman, Jordan; Miliordos, Evangelos – Journal of Chemical Education, 2020
The concept of an atom with an expanded octet, known as hypervalency, has persisted in the general chemistry curriculum, despite abundant theoretical work disputing its veracity. Here, the electronic structure of traditionally hypervalent molecules (H[subscript 2]SO[subscript 3], H[subscript 2]SO[subscript 4], PF[subscript 5], and SF[subscript 6])…
Descriptors: Chemistry, Molecular Structure, Science Instruction, Scientific Concepts
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