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Showing 1 to 15 of 158 results Save | Export
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Ernesto Lucatero; Robabeh Bashiri; Monica C. So – Journal of Chemical Education, 2024
Herein, we present an integrated upper division chemistry laboratory experiment involving the synthesis, characterization, and evaluation of catalytic metal--organic frameworks (MOFs). Experiments are designed to facilitate the solvothermal synthesis and characterize MOFs, including UiO-66, UiO-66-NH[subscript 2], and UiO-66-NO[subscript 2]. The…
Descriptors: Organic Chemistry, Scientific Concepts, College Science, Undergraduate Students
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Mary Jane Brundage; David E. Meltzer; Chandralekha Singh – Physical Review Physics Education Research, 2025
We use a validated conceptual multiple-choice survey instrument focusing on thermodynamic processes and the first and second laws of thermodynamics at the level of introductory physics to investigate the problem-property dependence of introductory and advanced student responses to introductory thermodynamics problems after traditional…
Descriptors: Problem Solving, Science Process Skills, Introductory Courses, Scientific Concepts
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Carmen Velez; Kristie Cheng; Sabrina Woodward; Noor Nazeer; Gabriela Nicole Hislop Gomez; Cody O. Crosby – Journal of Chemical Education, 2024
Many undergraduate chemistry and biochemistry students pursue careers in healthcare. Biomaterials, designed to harmonize with the complexity of the human body, have become increasingly significant in medicine as implants, drug delivery vehicles and tissue scaffolds. We believe it is essential that undergraduates are exposed to biomaterial…
Descriptors: Chemistry, Scientific Concepts, Medicine, College Science
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Marina S. Robescu; Daniela Ubiali; Riccardo Semproli; Teodora Bavaro – Journal of Chemical Education, 2024
A laboratory experiment was designed to introduce the practical application of biocatalysis in Bachelor and Master courses in biotechnology and medicinal chemistry, respectively. To this aim, the lipase from "Candida rugosa" was characterized (protein concentration and activity), immobilized on a carrier (by hydrophobic adsorption), and…
Descriptors: Science Laboratories, Laboratory Experiments, Science Experiments, College Science
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Ayça K. Fackler; Daniel K. Capps – International Journal of Science Education, 2024
The literature on scientific modelling practices in science education has provided a fruitful discussion on how learners tend to view models vs. how and what they should think about them. One approach is to teach students that models are abstractions so that they do not view them as a copy of phenomena they represent. Although teaching students…
Descriptors: Science Education, Scientific Concepts, Models, Science Instruction
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Paul J. Emigh; Corinne A. Manogue – Physical Review Physics Education Research, 2024
Physics experts and students commonly use a variety of representations when working with partial derivatives, including symbols, graphs, and words. One especially powerful representation is the contour graph. In open-ended problem-solving interviews with nine upper-division physics students, we asked students to determine derivatives from contour…
Descriptors: Physics, Scientific Concepts, Concept Formation, Geometric Concepts
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Crandell, Olivia M.; Pazicni, Samuel – Chemistry Education Research and Practice, 2023
This study investigates students' cognitive resources for identifying symmetry elements using survey data collected from 39 inorganic chemistry students from twelve undergraduate inorganic classes at universities across the United States. We propose a framework that leverages students' knowledge of symmetry elements as a manifold of cognitive…
Descriptors: Science Process Skills, Cognitive Processes, Scientific Concepts, Inorganic Chemistry
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Anoshia Khan; Cristina Altamirano; Yousuf Khan; Haroon Saeed; Tyler Moreira; Troy T. Handlovic; Mohammed R. Elshaer; Justin A. Bogart – Journal of Chemical Education, 2023
Many of the current synthetic methodologies utilized within academic and industrial laboratories require knowledge of how to safely handle air- and moisture-sensitive reagents and work under inert atmospheres. As a result, the ACS Committee on Professional Training recommends incorporating synthetic methods that make use of these inert atmospheres…
Descriptors: Undergraduate Students, College Science, Chemistry, Science Process Skills
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Yan Yang – Interchange: A Quarterly Review of Education, 2024
Written as a letter to Galileo, an education graduate student narrates from course experiences that deepened her understandings of Galileo and natural and intellectual properties underlying his works. Having taken the Galileo-themed course with Elizabeth Cavicchi at MIT's Edgerton Center in three prior terms, on taking it a fourth time, this…
Descriptors: College Science, Graduate Students, Student Attitudes, Scientific Attitudes
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Christof Keebaugh; Emily Marshman; Chandralekha Singh – Physical Review Physics Education Research, 2024
We examine students' challenges in determining the number of distinct many-particle stationary states for a system of noninteracting identical particles, focusing on how these insights guided the design, validation, and evaluation of a quantum interactive learning tutorial (QuILT) to aid students' understanding. Specifically, we focus on systems…
Descriptors: Physics, Scientific Concepts, Science Education, Quantum Mechanics
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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
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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
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Cedric Loretan; Andreas Mu¨ller – Journal of Chemical Education, 2023
The activity presented here is about an approximate or order-of-magnitude approach to information technology on the nano level, dealing in particular with the genetic code. Based on "There's Plenty of Room at the Bottom", the famous and visionary paper by Richard Feynman, the activity provides insight into a core concept of nanoscience…
Descriptors: Chemistry, Secondary School Science, High School Students, Science Activities
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Robert D. Milligan; Donald J. Wink – Journal of Chemical Education, 2024
A key part of the practice of chemistry is the analysis of chemical composition, including through gravimetric analysis and spectrophotometry. However, the complexity of doing multiple calculations to obtain analytical evidence, such as that required to determine an empirical formula, presents a challenge if such analytical methods are to be…
Descriptors: Student Attitudes, Scientific Attitudes, Science Process Skills, Spectroscopy
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Isabella Guerrero; Charles A. Smith – International Society for Technology, Education, and Science, 2023
In case-based learning, students develop and apply course knowledge to solve tangible and "real life" problems. This practice can enhance student motivation and engagement in the analytical laboratory. In this application of case-based learning students analyze commercially available oils for CBD content. In the state of Texas anyone can…
Descriptors: Case Method (Teaching Technique), College Science, Science Laboratories, Laboratory Procedures
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