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Showing 1 to 15 of 911 results Save | Export
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Houben, Sofie; Quintens, Greg; Pitet, Louis M. – Journal of Chemical Education, 2020
Polymer materials are indispensable in our daily lives. This makes polymer technology of critical importance in higher education. In particular, hands-on experiment-based practicals/laboratories with a focus on polymer science are of tremendous value in the undergraduate curriculum. Along these lines, hydrogels are highly cross-linked polymer…
Descriptors: Plastics, Science Laboratories, Science Instruction, Chemistry
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Harwood, Cynthia J.; Hewett, Sarah; Towns, Marcy H. – Journal of Chemical Education, 2020
This communicaton shares with the chemistry education community the rubrics used to evaluate student videos associated with using a pipet, using a buret, and making a solution in a volumetric flask that were part of a digital badging project. The rubrics were used across multiple general chemistry courses, hundreds of teaching assistants, and…
Descriptors: Chemistry, Science Education, Science Process Skills, Student Evaluation
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Zhang, Kai – Journal of Chemical Education, 2020
In this article, we use a simple lattice model to illustrate the concepts of entropy, free energy, and thermodynamic equilibrium from a microscopic perspective. These physical concepts are based on elementary knowledge of discrete probability distribution and weighted average. Calculations about this model involve basic algebra and counting, which…
Descriptors: Chemistry, Science Instruction, Teaching Methods, Scientific Concepts
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Atkinson, Molly B.; Popova, Maia; Croisant, Michael; Reed, Daniel J.; Bretz, Stacey Lowery – Journal of Chemical Education, 2020
The Reaction Coordinate Diagram Inventory (RCDI) has been developed to measure student thinking and confidence with reaction coordinate diagrams (RCDs) and their correspondence to reaction mechanisms. The RCDI was designed using a sequential mixed-methods protocol, such that the questions and distractors in the instrument were generated based on…
Descriptors: Thinking Skills, Self Esteem, Chemistry, Science Instruction
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Emrani, Jahangir; Ahmed, Maryam; Newman, Robert H.; Thomas, Misty D.; Mowa, Chishimba Nathan; Teleha, John – Journal of Chemical Education, 2020
Genome editing has widespread influence in many fields, including medicine, biotechnology, and agriculture. Despite their origins in chemistry laboratories, these techniques are currently under utilized in chemistry curricula. Introducing future generations of chemists to these emerging technologies is essential in chemistry classrooms. The…
Descriptors: College Science, Technological Advancement, Genetics, Ethics
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Mutambuki, Jacinta M.; Mwavita, Mwarumba; Muteti, Caroline Z.; Jacob, Brooke I.; Mohanty, Smita – Journal of Chemical Education, 2020
Benefits of metacognition and active learning on student performance are well understood; however, little is known about the effect of the "explicit teaching of metacognition" combined with active learning on student performance in chemistry courses. Using a quasi-experimental study design, we investigated: (1) differences in performance…
Descriptors: Metacognition, Active Learning, Grade Point Average, Comparative Analysis
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Barzykina, Irina – Journal of Chemical Education, 2020
Chemical reactions far from equilibrium can exhibit oscillatory behavior. Full understanding of this phenomenon is outside of the school curriculum. However, the importance of such processes in life sciences and peculiar spatial and temporal patterns accompanying the reactions can attract the attention of IB Diploma science students. They will…
Descriptors: Science Instruction, Chemistry, College Science, Undergraduate Study
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Chandler, Morgan; Shevchenko, Oleg; Vivero-Escoto, Juan L.; Striplin, Caryn D.; Afonin, Kirill A. – Journal of Chemical Education, 2020
Communicating the flow of genetic information (DNA ? RNA ? protein) is not only a basis of biochemical education, but also is the essential foundation for understanding the complexity of biological processes. The described laboratory exercise demonstrates that the information encoded into different DNA sequences can be transformed into various…
Descriptors: Science Instruction, Biochemistry, Science Laboratories, Hands on Science
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Finkenstaedt-Quinn, Solaire A.; Watts, Field M.; Petterson, Michael N.; Archer, Sabrina R.; Snyder-White, Emma P.; Shultz, Ginger V. – Journal of Chemical Education, 2020
Organic chemistry is a required course sequence for many STEM students. However, research indicates that organic chemistry reaction mechanisms are especially challenging for students due to a mixture of underlying conceptual difficulties, the process-oriented thinking inherent to the discipline, and the representations commonly used to depict…
Descriptors: Thinking Skills, College Students, Organic Chemistry, College Science
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Gruber, Corbin; James, Alec; Berchtold, Jeremy T.; Wood, Zoe J.; Scott, Gregory E.; Alghoul, Zahra – Journal of Chemical Education, 2020
A set of visualizations developed for the purpose of explaining solid state lattice structures is presented in this paper. The visualizations provide students with the option to view stacking patterns, extended structures, and individual unit cells for simple, body-centered and face-centered cubic, and hexagonal close-packed structures.…
Descriptors: Science Instruction, College Science, Computer Assisted Instruction, Visual Aids
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Allred, Ashley; Holland, Joseph S.; Shupert, Avery G.; Konzelman, Jim; Huddleston, N. Eric – Journal of Chemical Education, 2020
A laboratory exercise for the synthesis of a sulfonated styrene-"co"-maleic anhydride polymer and its application as a stain blocker on nylon-6,10, is described. The effectiveness of the sulfonated polymer to prevent the conjugate base of an acid dye from staining the polyamide is demonstrated. This experiment is designed for…
Descriptors: College Science, Science Instruction, Undergraduate Study, Organic Chemistry
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Isaac-Lam, Meden F. – Journal of Chemical Education, 2020
Nuclear magnetic resonance (NMR) spectroscopy is an indispensable technique in the organic chemistry laboratory for elucidation of molecular structure. Miniaturization of NMR technology has attracted attention and acceptance due to a considerable reduction in the cost to acquire and maintain the instrument. The advent of low-field, low-cost, and…
Descriptors: Spectroscopy, Organic Chemistry, Science Instruction, Science Laboratories
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Ragno, Rino; Esposito, Valeria; Di Mario, Martina; Masiello, Stefano; Viscovo, Marco; Cramer, Richard D. – Journal of Chemical Education, 2020
The increasing use of information technology in the discovery of new molecular entities encourages the use of modern molecular-modeling tools to help teach important concepts of drug design to chemistry and pharmacy undergraduate students. In particular, statistical models such as quantitative structure--activity relationships (QSAR)--often as its…
Descriptors: Chemistry, Computer Uses in Education, Pharmaceutical Education, Graduate Students
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Lees, Matthew; Wentzel, Michael T.; Clark, James H.; Hurst, Glenn A. – Journal of Chemical Education, 2020
Green Tycoon is a free-of-charge game-based mobile application that embraces a systems thinking approach to introducing students to a biorefining process model within green chemistry. Players adopt the role of a manager in a chemical factory, synthesizing the fictional compound, Yorkanone. Through upgrading the system and engaging with the…
Descriptors: Educational Games, Game Based Learning, Science Instruction, Chemistry
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Adams, Christopher J. – Journal of Chemical Education, 2020
The first-year undergraduate laboratory course in chemistry at the University of Bristol has been changed in an attempt to have students focus on learning practical skills, rather than on their experimental results. Analysis revealed a misalignment between the stated aims of the course--developing basic practical skills and developing laboratory…
Descriptors: Undergraduate Students, Chemistry, Science Instruction, Universities
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