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Coelho, Ricardo Lopes – Physics Education, 2022
The pendulum was an important scientific instrument in the 17th century. It became a typical textbook problem in the 18th century. After the introduction of vectors in physics in the 1890s, the pendulum problem started to be progressively solved in the manner we know nowadays from introductory mechanics courses. Starting from "F = ma"…
Descriptors: Science Instruction, Physics, Motion, Scientific Concepts
Theilmann, Florian – Physics Education, 2022
Ever since Newton's groundbreaking work on the composed nature of light, additive colour mixing (and its laws) are subject to the interest of physicists as well as other sciences. In this paper, we present a setup for simple lab or home experiments on additive colour mixing and the laws of colour mixing. Students use the screen of a laptop or…
Descriptors: Science Instruction, Science Experiments, Hands on Science, Physics
Jason M. May – Physical Review Physics Education Research, 2023
[This paper is part of the Focused Collection on Instructional labs: Improving traditions and new directions.] Physics instructional labs have long been an area of pedagogical innovation and educational research. While current stakeholders in instructional labs are undoubtedly aware of the day's concerns, reform efforts, and empirical research…
Descriptors: Physics, Science Instruction, Science Laboratories, Educational History
Jesús Erubiel Miguel-Gómez; Dennise Salazar; Miguel Reina – Journal of Chemical Education, 2023
Ludic-didactic material has systematically been proven to be a useful tool that enhances teaching and learning processes, at practically any educational level by reducing the stress level of students and creating a feeling of team spirit and trust. In chemistry courses, significant efforts have been made to improve the learning of intermolecular…
Descriptors: Chemistry, Science Education, Science Instruction, Teaching Methods
Gerard G. Dumancas; Noemi Carreto; Oliver Generalao; Guoyi Ke; Ghalib Bello; Arnold Lubguban; Roberto Malaluan – Journal of Chemical Education, 2023
Chemometric techniques such as partial least-squares (PLS) regression have been applied with huge success to a wide array of chemical problems including multicomponent analysis of analytes in complex mixtures. Despite this, there are few examples of laboratory pedagogical exercises that involve students in the acquisition of chemical data from…
Descriptors: Undergraduate Students, College Science, Chemistry, Science Laboratories
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
Xiang Wan; Dian Wang; Yuqing He; Jiafei Wang; Qin Xu; Donglin Zhao; Fazhi Xie; Qishu Qu – Journal of Chemical Education, 2023
High-performance liquid chromatography (HPLC) experiments are an important part of the undergraduate analytical instrumentation laboratory courses and usually use commercial C18 silica-packed reversed-phase columns. In this experiment, a simple method of preparing SiO[subscript 2] core-shell packed columns was developed to enable students to…
Descriptors: Undergraduate Study, Chemistry, Science Instruction, Science Experiments
Grebenev, Igor V.; Kazarin, Petr V.; Lebedeva, Olga V. – Physics Education, 2022
The article describes a new version of a demonstration experiment for the Maxwell distribution. In the first part students analyse the applicability of the Gaussian distribution to the projection of the particle velocities in the suggested experiment. Further, students observe two-dimensional distribution of particles by the modulus of velocity in…
Descriptors: Science Instruction, Science Experiments, Scientific Concepts, Mathematical Formulas
Wang, Aili; Ma, Sihui; Zhu, Yeyuan; Zou, Liang; Zhao, Gang – Journal of Chemical Education, 2022
Photo-oxidation is one of the main causes of oxidative deterioration in food. Understanding of the mechanisms of photo-oxidation is essential for food science students when pursuing careers in food safety and quality assurance. However, few food chemistry laboratories emphasize photo-oxidation. Thus, we develop a laboratory activity that trains…
Descriptors: Science Instruction, Science Laboratories, Chemistry, Food
Li, Yunhua; Chen, Cuixue; Ye, Meiling; Imbault, Alexander Luis – Journal of Chemical Education, 2022
Organizing undergraduates in chemistry, energy engineering, and chemical engineering specialties to participate in an energy transformation experiment can encourage them to think about the impact of human activities on nature and stimulate them to learn more about the topic. This laboratory experiment demonstrates a general approach to the…
Descriptors: Hands on Science, Fuels, Energy, Chemical Engineering
Thomas D. Varberg – Journal of Chemical Education, 2022
An experiment for the undergraduate physical chemistry laboratory is described in which the Raman spectrum of liquid "para"-difluorobenzene is recorded and assigned. A density functional theory (DFT) calculation of the 30 normal modes of the molecule is undertaken using computational chemistry software. Students use group theory to…
Descriptors: Undergraduate Students, Science Instruction, College Science, Science Laboratories
Bang Lin Li; Liyu Peng; Cheng-Bin Gong; Jing Rong Chen; Hao Lin Zou; Hong Qun Luo; Nian Bing Li – Journal of Chemical Education, 2022
Recently, two-dimensional (2D) nanostructures, such as graphene and few-layer MoS[subscript 2], have been applied to wide fields based on their intriguing performances, and they contribute to developments of clean energy, biomedicine, and environmental protection. The synthesis of 2D nanostructures involves chemistry, materials, and…
Descriptors: Chemistry, Science Instruction, Science Experiments, Undergraduate Study
Miguel Ángel Medina; Ángel Luis Garci´a-Ponce; Ángel Blanco-Lo´pez; Ana R. Quesada; José Luis Urdiales; Ignacio Fajardo; Fernanda Sua´rez; Francisco José Alonso-Carrio´n – Journal of Chemical Education, 2022
Metabolism is a challenging subject for bioscience students due to the intrinsic complexity of the metabolic network, as well as that of the overlapping mechanisms of metabolic regulation. Collaborative learning based on a problem-based learning approach can help students to successfully learn and understand metabolism. In the present article, we…
Descriptors: Cooperative Learning, Metabolism, Biological Sciences, Science Education
Riccardi, Pierfrancesco; Romano, Vittorio; Pellegrino, Francesco – Physics Education, 2022
This work documents the collaboration between the Physics department of the University of Calabria and some schools of the region in a project devoted to recovering disused instrumentation in school laboratories. The project has been conceived as a workplace experience for the students, i.e. a learning experience in a real work place. In Italy,…
Descriptors: Physics, College Science, College School Cooperation, Science Laboratories
Park, Wonyong; Song, Jinwoong – Cultural Studies of Science Education, 2022
Despite the long-standing interest among science educators in using history of science in science teaching, little has been discussed around whether and how non-Western histories of science could be incorporated into science education. This study considers some opportunities and challenges of addressing East Asian history of science (EAHOS) in the…
Descriptors: Foreign Countries, Preservice Teachers, Science Teachers, Science History