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Showing 76 to 90 of 430 results Save | Export
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Boyd-Kimball, Debra; Miller, Keith R. – Journal of Chemical Education, 2018
Laboratory courses are often designed using step-by-step protocols which encourage students to conduct experiments without thinking about what they are doing or why they are doing it. Such course design limits the growth of our students as scientists and can make it more difficult for a student to transition to the expectations of a research…
Descriptors: Science Laboratories, Science Instruction, College Science, Undergraduate Study
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Schroeder, Lianne; Bierdz, Joshua; Wink, Donald J.; King, Maripat; Daubenmire, Patrick L.; Clark, Ginevra A. – Journal of Chemical Education, 2018
We implemented a laboratory curriculum reform to teach foundational concepts in chemistry, particularly those concepts related to healthcare, in a chemistry course for prenursing students. Here, we discuss the reform, exploring how students built upon understandings gained in lab and correlating lab learning to course outcomes. We further discuss…
Descriptors: Science Instruction, Chemistry, Undergraduate Study, College Science
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Triboni, Eduardo; Weber, Gabriel – Journal of Chemical Education, 2018
Recently there has been a renewed interest in the development and use of pedagogical games, as they provide an interesting approach to the appropriation of knowledge in the context of active learning. However, most didactic games fail to completely implement a cycle of reflection and action, thereby fostering mostly lower-order thinking skills and…
Descriptors: Organic Chemistry, Educational Games, Teaching Methods, Active Learning
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Hensen, Cory; Clare, Tami Lasseter; Barbera, Jack – Journal of Chemical Education, 2018
Fluorescence spectroscopy experiments are a frequently taught as part of upper-division teaching laboratories. To expose undergraduate students to an applied fluorescence technique, a corrosion detection method, using quenching, was adapted from authentic research for an instrumental analysis laboratory. In the experiment, students acquire…
Descriptors: Spectroscopy, Metal Working, Metallurgy, Undergraduate Students
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Yin, Dezhong; Chen, Jinhua; Gu, Bin; Geng, Wangchang – Journal of Chemical Education, 2018
A new experiment based on phase inversion of Pickering emulsions was carried out in a physical chemistry course. The emulsions were stabilized by surfactant-modified SiO[subscript 2] particles. As the concentration of surfactant increased, the emulsions changed from oil-in-water type (O/W) to water-in-oil type (W/O) type, and then reverted to be…
Descriptors: Chemistry, Scientific Concepts, Scientific Principles, Laboratory Experiments
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Kurushkin, Mikhail; Kurushkin, Dmitry – Journal of Chemical Education, 2018
A novel educational chart that represents the acid--base behavior of 100 s-, p-, d-, and f-element oxides depending on the element's electronegativity and oxidation state was designed. An updated periodic table of said oxides was developed. A mathematical criterion based on the chart was derived which allows prediction of the behavior of…
Descriptors: Science Instruction, Secondary School Science, High Schools, Chemistry
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Mercier, Philippe H. – Journal of Chemical Education, 2018
Le Châtelier's principle is used as a basis to derive an expression to calculate solution pH during titrations that involve only strong acids and strong bases. Central to this model are the reaction quotient and a re-equilibration term that represents the extent of neutralization during a titration. Unlike the method traditionally taught to…
Descriptors: Science Instruction, Scientific Principles, College Science, Undergraduate Study
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Heider, Emily C.; Valenti, Domenic; Long, Ruth L.; Garbou, Amel; Rex, Matthew; Harper, James K. – Journal of Chemical Education, 2018
Service-learning (SL) is an active learning approach that connects the knowledge a student acquires in the classroom to an application that benefits the community. Increasingly popular in the chemistry curriculum, service-learning is reported to provide student benefits including improved cognitive goals; increased academic, interpersonal, and…
Descriptors: Chemistry, Laboratory Experiments, Service Learning, Natural Resources
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Abell, Timothy N.; Bretz, Stacey Lowery – Journal of Chemical Education, 2018
This study investigates how students account for a macroscopic temperature change during the dissolution of ionic salts through particulate level explanations. Semi-structured interviews were conducted with general chemistry, physical chemistry, and biophysical chemistry students. During the interviews, students conducted hands-on tasks that…
Descriptors: Semi Structured Interviews, Chemistry, Hands on Science, College Freshmen
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Cherrette, Vivien L.; Hutcherson, Connor J.; Barnett, Jeremy L.; So, Monica C. – Journal of Chemical Education, 2018
Perovskite solar cells have garnered exponential research interest due to their facile fabrication, solution processability, and low cost. However, there have been limited efforts to integrate this class of materials into the undergraduate laboratory curriculum. Therefore, we designed an integrated laboratory experiment in our upper-division…
Descriptors: Laboratory Experiments, Learning Experience, Integrated Activities, Undergraduate Students
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Kumasaki, Mieko; Shoji, Takuro; Wu, Tsung-Chih; Soontarapa, Khantong; Arai, Mitsuru; Mizutani, Takaaki; Okada, Ken; Shimizu, Yoshitada; Sugano, Yasuhiro – Journal of Chemical Education, 2018
"Manga" are graphic novels that are considered to have the potential to effectively convey concepts and engage readers. The efficacy of "manga" has been validated for chemical safety education to students in three universities in Japan, Taiwan, and Thailand. Students were asked to examine a photo to identify hazards and…
Descriptors: Foreign Countries, Science Instruction, Teaching Methods, College Science
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Mayes, Howard; Wong, Chung F. – Journal of Chemical Education, 2018
A new program, ECEP2D, for simulating the one-dimensional (1D) and two-dimensional (2D) patterns of the gel electrophoresis of a protein after it has been digested by one or more enzymes is introduced. With ECEP2D, students can gain deeper insights into gel electrophoresis by performing hands-on simulations. For example, students can visualize how…
Descriptors: Computer Software, Computer Simulation, Comparative Analysis, Biochemistry
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Joseph, Ariana; Budden, Katherine; Cisek, Richard; Tokarz, Danielle – Journal of Chemical Education, 2018
In a university third-year instrumental chemistry laboratory students build a laser based polarimeter for determining light scattering with commercially available optical components used in modern optics research laboratories. During this laboratory experiment, students learn that solutions containing molecules which scatter light also influence…
Descriptors: Chemistry, Science Instruction, Undergraduate Students, Error Patterns
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da Silva, José Nunes, Jr.; Lim, Mary Anne Sousa; Miranda, Fátima Nunes; Leite, Antonio José Melo, Jr.; Alexandre, Francisco Serra Oliveira; Assis, Djheyson Carlos de Oliveira; Nobre, Davi Janô – Journal of Chemical Education, 2018
This report provides information about an interactive computer-based game named Nomenclature Bets and its utilization in the form of a tournament as a didactic strategy to enhance the students' interest in their studies of nomenclature of organic compounds. The game allows high school and first-year undergraduate students to review, in pairs, the…
Descriptors: Computer Games, Teaching Methods, Competition, Science Instruction
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Latimer, Devin R.; Ata, Athar; Forfar, Christopher P.; Kadhim, Mustafa; McElrea, April; Sales, Ramon – Journal of Chemical Education, 2018
This guided-inquiry, upper-division undergraduate organic lab experiment, a hybrid of problem-based learning (PBL); process-oriented, guided-inquiry learning (POGIL); and peer-led team learning (PLTL) has been developed to ease the transition from the undergraduate lab to a research lab environment. The characterization of a mixture of camphor and…
Descriptors: Science Instruction, Undergraduate Students, Organic Chemistry, Problem Based Learning
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