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Tyler G. Harvey; Delphine Dean – Biomedical Engineering Education, 2025
Challenge: While hands-on laboratory experiences are an important component of biomedical engineering curricula, many of the topics which would often benefit most from these experiences are often too time-, space-, and resource-intensive to incorporate into laboratory classes. One such topic is electrophysiology, where phenomena are hard to…
Descriptors: Discovery Learning, Computer Uses in Education, Computer Simulation, Hands on Science
Sabrina González; Ana Cristina S. M. Rocha – Paedagogica Historica: International Journal of the History of Education, 2025
In the first decades of the twentieth century, amidst the emergence of experimental psychology, Latin American educators became pedagogical innovators and advocates of school reforms. They used the classroom as a laboratory to study children's intelligence and collect data that could potentially improve their education. This paper traces…
Descriptors: Foreign Countries, Educational History, Women Scientists, Experimental Psychology
Esselman, Brian J.; Hill, Nicholas J.; Ellison, Aubrey J. – Journal of Chemical Education, 2021
The acid-catalyzed dehydration of regioisomeric methylcyclohexanols is a classic organic chemistry experiment featured in a variety of laboratory textbooks and literature. The mechanistic details of this reaction have received an inconsistent and occasionally inaccurate treatment, wherein the reaction has been described as a mix of E1, E2-like,…
Descriptors: Organic Chemistry, Laboratory Experiments, Models, Thermodynamics
Cross, Rod – Physics Education, 2021
If a smooth ball is dropped vertically without spin on a smooth horizontal surface then one might expect the ball to bounce vertically without spin. If it does not then the centre of mass of the ball does not coincide with its geometric centre. An experiment is described where a billiard ball and a superball are deliberately biassed by adding a…
Descriptors: Science Instruction, Scientific Principles, Physics, Motion
Lisensky, George; Dauzvardis, Fabian; Jacquez, Tess – Journal of Chemical Education, 2021
Chemical energy storage and use is a critical part of a sustainable world. In this laboratory experiment, students construct and use an inexpensive hydrogen fuel cell to power a calculator or a clock. The reusable cells are prepared from plastic syringes and a nickel mesh that is coated with a palladium metal catalyst by electroless deposition.…
Descriptors: Energy, Introductory Courses, Chemistry, Science Experiments
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)
Cross, Rod – Physics Education, 2021
A standard problem for physics students is to calculate or measure the acceleration of an object down an inclined plane. Additional information can be obtained by measuring the angular acceleration as well as the linear acceleration. An experiment is described where a billiard ball was filmed as it rolled down an inclined plane at different…
Descriptors: Physics, Science Instruction, Science Experiments, Teaching Methods
Liu, Shanshan; Ge, Xiuli; Zhang, Tao; Han, Yanyang; Cui, Wei; Guan, Rengui; Yang, Xin; He, Tao; Li, Qingzhong; Feng, Kai; Scheiner, Steve – Journal of Chemical Education, 2021
To deliver state-of-the-art battery knowledge to undergraduates, we designed a feasible experiment to prepare flexible packaging batteries, aiming to reproduce industrial flexible packaging batteries in general chemistry laboratories. In our procedure, the materials involved are inexpensive, safe, and easy to use. No organic solvents or toxic…
Descriptors: Equipment, Chemistry, Laboratory Procedures, Science Experiments
Lewis, Todd H.; Zacher, Brian – Journal of Chemical Education, 2021
A single latent fingerprint consists of ~50 µg of matter for which the anionic content often provides a differentiating characteristic between individuals. This forensic-themed, analytical chemistry experiment exploits this difference and has students employ ion-exchange chromatography to quantitatively analyze the anionic content of both…
Descriptors: Chemistry, Science Instruction, Crime, Science Experiments
Hermann Härtel – European Journal of Physics Education, 2021
The abstract definition of electric power as "ability of a voltage source to do work" or quantitatively as "energy per unit charge" is preceded by a qualitative description in terms of the existence of surface charges. These surface charges and the associated electric fields can be demonstrated experimentally and allow a causal…
Descriptors: Electronics, Energy, Science Experiments, Scientific Concepts
Leonie I. Johann; Fredrik K. H. Rusk; Michael J. Reiss; Jorge Groß – Journal of Biological Education, 2024
This study reports on the theoretical- and empirical-based design and evaluation of cell membrane biology learning activities within the Model of Educational Reconstruction and experiential realism. First, we designed analogy-based learning activities by considering students' and scientists' conceptions as described in the literature. Secondly, we…
Descriptors: Secondary School Students, Thinking Skills, Cytology, Molecular Biology
Igor Bascandziev – Cognitive Science, 2024
The ability to recognize and correct errors in one's explanatory understanding is critically important for learning. However, little is known about the mechanisms that determine when and under what circumstances errors are detected and how they are corrected. The present study investigated thought experiments as a potential tool that can reveal…
Descriptors: Cognitive Processes, Experiments, Schemata (Cognition), Cognitive Science
Musa Ndiaye; Chilala K. Bowa; Wezi N. Nyimbili; Kangwa A. Nkonde; Richard Onyancha; Mabvuto Mwanza; Musonda E. Kabaso; John Siame – European Journal of Engineering Education, 2024
COVID-19 has caused major disruptions in the way engineering education is conducted all over the world. The impact has been greater in developing countries that still lack the necessary tools for pandemic-based training. In this work, we carry out a survey on three public universities based in Zambia. The survey investigates the impact of COVID-19…
Descriptors: COVID-19, Pandemics, Engineering Education, State Universities
Bruno Bousquet; Martin Hachet; Vincent Casamayou; Erwan Normand; Jean-Paul Guillet; Lionel Canioni – Discover Education, 2024
HOBIT, which stands for "Hybrid Optical Bench for Innovative Teaching and learning" is an educational platform that leverages the combination of numerical simulation and physical manipulation to facilitate learning of complex phenomena and motivate users about wave optics in practical work. HOBIT operates in real time and is…
Descriptors: Physics, Scientific Concepts, Optics, Science Education
Daniel A. Mak; Sebastian Dunn; David Coombes; Carlo R. Carere; Jane R. Allison; Volker Nock; André O. Hudson; Renwick C. J. Dobson – Biochemistry and Molecular Biology Education, 2024
Enzymes are nature's catalysts, mediating chemical processes in living systems. The study of enzyme function and mechanism includes defining the maximum catalytic rate and affinity for substrate/s (among other factors), referred to as enzyme kinetics. Enzyme kinetics is a staple of biochemistry curricula and other disciplines, from molecular and…
Descriptors: Biochemistry, Kinetics, Science Instruction, Teaching Methods