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Showing 1 to 15 of 143 results Save | Export
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Chiara Theresa Vey; Viola Kaygusuz; Josefa Sophia Kayser; Andreas Beyer – Biochemistry and Molecular Biology Education, 2024
As a rule, an experiment carried out at school or in undergraduate study courses is rather simple and not very informative. However, when the experiments are to be performed using modern methods, they are often abstract and difficult to understand. Here, we describe a quick and simple experiment, namely the enzymatic characterization of ptyalin…
Descriptors: Science Experiments, Human Body, Metabolism, Undergraduate Study
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Huifa Han; Yali Qin; Fan Wang; Ning Ding; Fang Fang; Lihong Hu; Hongming Jin; Yinan Zhang – Journal of Chemical Education, 2024
Electrophilic aromatic substitution (S[subscript E]Ar) and nucleophilic aromatic substitution (S[subscript N]Ar) reactions are among the most valuable reactions in the conversion of aromatic rings. While these reactions are typically covered in separate experiments in undergraduate organic courses, a continuous experimental setup elucidating both…
Descriptors: Science Instruction, Undergraduate Students, Science Experiments, Science Laboratories
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Mahaveer Genwa; Jyoti Singh; Alka Rani; Kushagra Yadav; Chetna Angrish – Journal of Chemical Education, 2024
Photochemical reactions are initiated by the absorption of light, triggering the chemical reactions and resulting in the formation of products. These reactions are generally performed using a freely available renewable source of energy-solar energy. Solar simulators mimic both the ultraviolet and visible regions of sunlight and hence can serve as…
Descriptors: Chemistry, Science Instruction, Undergraduate Study, Science Laboratories
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Anne de Poulpiquet; Neso Sojic; Laurent Bouffier; Alexander Kuhn; Dodzi Zigah – Journal of Chemical Education, 2023
Electrochemistry is taught in most undergraduate chemistry programs. Although this topic is important for students due to its broad interest in industry (energy, diagnostics, car industry, etc.), they often find it difficult, because it is based on a combination of various physical concepts such as electric fields, interfacial processes or charge…
Descriptors: Chemistry, Science Instruction, Undergraduate Study, College Science
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Victoria Borish; H.?J. Lewandowski – Physical Review Physics Education Research, 2024
Instruction in quantum mechanics is becoming increasingly important as the field is not only a key part of modern physics research but is also important for emerging technologies. However, many students regard quantum mechanics as a particularly challenging subject, in part because it is considered very mathematical and abstract. One potential way…
Descriptors: Science Instruction, Science Experiments, Quantum Mechanics, Mechanics (Physics)
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Jiraporn Poonyawatpornkul; Supranee Pitsamai; Onuma Methakesorn; Kotchakorn Mangmee – Journal of Learning for Development, 2025
This case study investigated the conceptual understanding of the Simple Pendulum topic amongst physics student-teachers using online experiments. A pre-experimental design was utilised, employing a one-group pretest-posttest approach with 20 student-teachers. The research instruments included a highspeed video activity conducted within Online…
Descriptors: Scientific Concepts, Motion, Physics, Preservice Teachers
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Vera, Francisco; Rivera, Rodrigo; Ortiz, Manuel; Horta-Rangel, Francisco Antonio – Physics Teacher, 2022
Electrification by rubbing different materials is a well-known phenomenon with a history that began more than five centuries B.C. ago. However, simple experiments can lead to contradictory or inconsistent results, and the history of this phenomena is plagued with non-intuitive results. For example, triboelectric charging by rubbing identical…
Descriptors: Science Instruction, Physics, Scientific Concepts, Concept Formation
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Mahsa Parvizian; Julia Bechter; Jan Huber; Noura Chettata; Jonathan De Roo – Journal of Chemical Education, 2023
Quantum dots are colloidal semiconductor nanocrystals that display size-dependent electronic and optical properties. These materials are a visual demonstration of a quantum-mechanical effect. Here we present a laboratory exercise for undergraduate/Bachelor students as an introduction to colloidal nanocrystals and quantum dots. The students…
Descriptors: Science Instruction, Quantum Mechanics, Science Laboratories, Undergraduate Students
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Giancaspro, Joseph; Scollan, Patrick; Rosario, Juan; Miller, Elizabeth; Braziel, Samuel; Lee, Sunghee – Biochemistry and Molecular Biology Education, 2022
In an upper-division interdisciplinary laboratory experiment, students use Raman spectroscopy to highlight how the overall structure and conformational order of lipid bilayers can be influenced by their individual phospholipid composition. Students prepare a supported lipid bilayer, as a model cell membrane, by spreading liposomes made of various…
Descriptors: Science Experiments, Laboratory Experiments, Interdisciplinary Approach, Spectroscopy
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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
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Jiayu Liu; Rong Li; Wenyu Yang; Hui Lei; Lijiao Wang; Yuanyuan Zhang; Yanjun Wang; Wenyi Liu; Jianlin Deng; Lei Hu; Yingying Jiang; Zhouyu Wang; Jie Tang; Lingling Yang – Journal of Chemical Education, 2023
Pharmaceutical Integrated Experiment (PIE) is a systematic and comprehensive compulsory course for undergraduates majoring in pharmacy and pharmaceutical engineering. This course mainly focuses on integrating the theoretical knowledge of various disciplines into practice, enabling students to master the key processes of drug research and…
Descriptors: Pharmacy, Pharmaceutical Education, Undergraduate Students, College Science
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Will Jimy Quintero; Mo´nica Constanza A´vila; Cristian Ochoa-Puentes – Journal of Chemical Education, 2023
Cycloadditions in combination with multicomponent reactions are among the most valuable synthetic tools used by organic chemists to construct cyclic and heterocyclic compounds in a straightforward way. Although cycloadditions, such as the Diels--Alder reaction, are mainly covered in basic and advanced organic courses for undergraduate students,…
Descriptors: Science Instruction, Organic Chemistry, College Science, Undergraduate Students
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Paul R. Destefano; Ralf Widenhorn – Physical Review Physics Education Research, 2024
[This paper is part of the Focused Collection on Instructional labs: Improving traditions and new directions.] This manuscript presents a case study of an introductory physics student who, during the remote learning conditions imposed during the COVID-19 pandemic, found inspiration within a new, open-inquiry, project-based, laboratory curriculum…
Descriptors: Science Experiments, Optics, Physics, Distance Education
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Gina Passante; Antje Kohnle – Physical Review Physics Education Research, 2024
When thinking about measurement uncertainty in a laboratory experiment that features quantum mechanical effects, it is important to consider both the physical principles of underlying quantum theory (e.g., the uncertainty due to quantum mechanical superposition states) as well as the limitations of the measurement (e.g., the spread in outcomes due…
Descriptors: Quantum Mechanics, Homework, Measurement, Science Laboratories
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Kekule, Tomáš – Physics Teacher, 2022
Newton's laws are essential for understanding causes and description of mechanical motion. Great attention is paid to them during physics education. Unfortunately, many students, not only in high school, but also undergraduates, can recite them but do not understand their essence. Therefore, it is useful to demonstrate different experiments in the…
Descriptors: Physics, Science Instruction, Scientific Principles, Motion
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