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Almorza, D.; Prada, A.; Kandús, M. V.; Salerno, J. C. – Journal of Biological Education, 2023
Graduates in biology or genetics learn Mendel's laws and Hardy-Weinberg equilibrium as students, and they know, use, and sometimes teach these concepts. However, it is unusual to learn about stochastic processes during the graduate studies of these topics, although the applications of Markov chains in the fields of genetics or biology are…
Descriptors: Graduate Students, College Science, Biology, Genetics
Yousef, Abraham L.; Smith, Alexis G. – Journal of Chemical Education, 2022
A multistep synthesis of a novel arylidene 3(2"H")-furanone has been designed and optimized for the second-year organic laboratory. The three-step sequence consists of a nucleophilic substitution, intramolecular cyclization, and acid-catalyzed aldol condensation, and can be carried out within two 3 h laboratory periods. The final…
Descriptors: Organic Chemistry, Laboratory Experiments, Science Experiments, Hands on Science
McCaughin, Patrick; Ford, Lyle – Physics Teacher, 2021
Since its debut in Elihu Thomson's 1886 article "Novel Phenomena of Alternating Currents," the Thomson jumping ring apparatus has been a popular and captivating demonstration of magnetic induction. The components are quite simple. There is a solenoid, an iron core, and a ring. The demonstration usually begins with the professor saying…
Descriptors: Physics, Magnets, Scientific Concepts, Demonstrations (Educational)
Hull, Michael M.; Nakayama, Shizuka; Tosa, Sachiko – Physics Teacher, 2023
Newton's laws are a ubiquitous topic in introductory physics instruction. One common problem involves asking what will happen if you stick your finger into a cup of water sitting on a scale. A way to solve the problem would be to first recognize that the water exerts a buoyant force upward on the finger, which students can recognize as being the…
Descriptors: Science Instruction, Physics, Scientific Principles, Concept Formation
Wei-Zhao Shi; Chunying Zuo; Jingying Wang – Physical Review Physics Education Research, 2025
Previous research has shown that in prehigher education stages, inquiry-based teaching is not sufficient for forming a mature understanding of the nature of science (NOS). However, there is relatively little research conducted on colleges. Inquiry-based teaching should not overlook cognitive frameworks, as students' limited scientific reasoning…
Descriptors: Teaching Methods, Inquiry, Active Learning, College Science
Wang, Fei – Physics Teacher, 2022
The ideal gas law, "PV = nRT," is one of the simplest physical laws in nature that is introduced to students as early as in high school and first year in college. In this equation, "P" stands for pressure, "V" is the volume, "n" is the amount expressed in mole, "T" is the temperature in Kelvin…
Descriptors: Physics, Scientific Principles, Fuels, Graphs
González-Flores, Diego; Fernández, Gabriela; Urcuyo, Roberto – Journal of Chemical Education, 2021
Electrochemical and spectroelectrochemical techniques are very important for characterizing energy materials. In the search for new sources of renewable energy, water splitting for hydrogen production and CO[subscript 2] reduction is attracting significant attention. These applications require efficient and durable catalysts and a detailed…
Descriptors: Chemistry, Science Instruction, College Science, Spectroscopy
Barceló-Oliver, Miquel; Cabello, Carlos P.; Torrens-Serra, Joan; Miró, Manuel; Cabot, Catalina; Bosch, Rafael; Delgado, Montserrat R. – Journal of Chemical Education, 2021
Although residues and resource shortages are major problems of modern living, these topics are not usually properly covered in university curricula. To tackle this situation, we have guided undergraduate students through the design of a group of active learning activities, to demonstrate the science behind separation and recycling: trash…
Descriptors: College Science, Undergraduate Students, Science Instruction, Recycling
Joshua W. Reid; Michael L. Rutledge – Bioscene: Journal of College Biology Teaching, 2022
We developed and field-tested an active learning exercise designed to provide biology students with the opportunity to consider key aspects of the nature of science as a method of inquiry, particularly the roles of observation and inference in the development of scientific explanations and how scientists deal with uncertainty. In the activity…
Descriptors: Active Learning, Biology, Science Instruction, Scientific Principles
Dhabih V. Chulhai – Journal of Chemical Education, 2024
We present a tool, one that is both a stand-alone web-based video game and a Python package, designed for students to explore a particle's wave function on one-dimensional potential surfaces. The tool relies on a basis set formalism and can, therefore, explore any one-dimensional potential surface imaginable. This tool also lets students interact…
Descriptors: Science Instruction, Teaching Methods, Technology Uses in Education, Educational Games
Schäfle, Claudia; Kautz, Christian – Physical Review Physics Education Research, 2021
We report on an investigation of student thinking about steady-state pipe flow of an incompressible fluid. About 250 undergraduate engineering students were given a test consisting of two hydrodynamics questions, combining multiple-choice format with subsequent open-ended explanations. There is substantial evidence that students have difficulty…
Descriptors: Science Instruction, College Science, Undergraduate Students, Scientific Principles
Archila, Pablo Antonio; Molina, Jorge; de Mejía, Anne-Marie Truscott – Research in Science Education, 2020
Contrary to the situation at primary, middle, and secondary school levels, university science courses provide students with very few opportunities to reflect upon the nature of science (NOS). The first goal of this study was to provide evidence that the co-construction of evolutionary trees, an important component of university biology education,…
Descriptors: Undergraduate Students, College Science, Science Instruction, Scientific Principles
Acero, Jesus; Carretero, Claudio – IEEE Transactions on Education, 2021
Contribution: This article proposes a comprehensive graduate course on magnetic design that addresses existing gaps in current power electronics (PEs) education, provides theoretical foundations and hands-on skills, and matches syllabi coverage with current societal needs for electronic energy conversion. Background: A growing worldwide interest…
Descriptors: Graduate Study, College Science, Magnets, Power Technology
Shetranjiwalla, Shegufa; Leach, Nicole; Van Belle, Lori; Kingdon, Kassidy – Journal of Chemical Education, 2021
Is the reductionist approach to teaching chemical principles in the laboratory adequate for students to make effective evaluations? In this work, using the example of sunscreens, students first assessed the analytical chemistry parameters of the active ingredients, later comparing and contrasting them with organic chemistry information for…
Descriptors: Science Instruction, Scientific Principles, Science Laboratories, Organic Chemistry
Tyler A. Shaffer; Carlos U. Herrada; Avery M. Walker; Laura D. Casto-Boggess; Lisa A. Holland; Timothy R. Johnson; Megan E. Jones; Yousef S. Elshamy – Journal of Chemical Education, 2023
Electrophoresis is integral to analytical and biochemistry experiences in undergraduate education; however, fundamental principles of the method are often taught in upper-level laboratories through hands-on experiences. A laboratory activity is reported that teaches the concepts of electrophoretic mobility and electroosmotic flow. A single…
Descriptors: Chemistry, Science Instruction, Teaching Methods, Cost Effectiveness