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Showing 1 to 15 of 3,986 results Save | Export
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Porter, Lon A., Jr.; Chapman, Cole A.; Alaniz, Jacob A. – Journal of Chemical Education, 2017
In this work, a versatile and user-friendly selection of stereolithography (STL) files and computer-aided design (CAD) models are shared to assist educators and students in the production of simple and inexpensive 3D printed filter fluorometer instruments. These devices are effective resources for supporting active learners in the exploration of…
Descriptors: Outreach Programs, Science Activities, Science Equipment, Computer Assisted Design
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Kimberlin, Stephanie; Yezierski, Ellen – Journal of Chemical Education, 2016
Students' inaccurate ideas about what is represented by chemical equations and concepts underlying stoichiometry are well documented; however, there are few classroom-ready instructional solutions to help students build scientifically accurate ideas about these topics central to learning chemistry. An intervention (two inquiry-based activities)…
Descriptors: Stoichiometry, High School Students, Chemistry, Intervention
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Lafarge, David L.; Morge, Ludovic M.; Méheut, Martine M. – Journal of Chemical Education, 2014
Organic chemistry is often considered to be a difficult subject to teach and to learn, particularly as students prefer to resort to memorization alone rather than reasoning using models from chemical reactivity. Existing studies have led us to suggest principles for redefining the curriculum, ranging from its overall structure to the tasks given…
Descriptors: Organic Chemistry, Higher Education, College Science, College Curriculum
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Selco, Jodye; Bruno, Mary; Chan, Sue – Journal of Chemical Education, 2013
Understanding how the periodic table of elements is organized and how to read information from it is fundamental for understanding chemistry. Introductory chemistry courses usually include discussions detailing what elemental information can be determined by virtue of its position on the periodic table. Although many people have been exposed to…
Descriptors: Chemistry, Hands on Science, Tables (Data), Science Instruction
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McRae, Christopher; Karuso, Peter; Liu, Fei – Journal of Chemical Education, 2012
The Web is now a standard tool for information access and dissemination in higher education. The prospect of Web-based, simulated learning platforms and technologies, however, remains underexplored. We have developed a Web-based tutorial program (ChemVoyage) for a third-year organic chemistry class on the topic of pericyclic reactions to…
Descriptors: Internet, Feedback (Response), Organic Chemistry, Web Based Instruction
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Macrakis, Kristie; Bell, Elizabeth K.; Perry, Dale L.; Sweeder, Ryan D. – Journal of Chemical Education, 2012
By modifying secret writing formulas uncovered from the archives of the East German Ministry of State Security (MfS or Stasi), a novel general chemistry secret writing laboratory was developed. The laboratory combines science and history that highlights several fundamental chemical principles related to the writing. These include catalysis, redox…
Descriptors: Foreign Countries, Higher Education, Interdisciplinary Approach, History
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Williamson, Vickie M.; Lane, Sarah M.; Gilbreath, Travis; Tasker, Roy; Ashkenazi, Guy; Williamson, Kenneth C.; Macfarlane, Ronald D. – Journal of Chemical Education, 2012
A prior study showed that students best make predictions about the outcome of opening a valve between two flasks containing a fluid or vacuum when they view both a demonstration video and a particulate animation, but the study showed no influence from the order in which these visualizations were used. The purpose of this current research was to…
Descriptors: Academic Ability, Chemistry, Animation, Video Technology
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Saitta, Erin K. H.; Gittings, Michael J.; Geiger, Cherie – Journal of Chemical Education, 2011
Dimensional analysis is traditionally one of the first topics covered in a general chemistry course. Chemists use dimensional analysis as a tool to keep track of units and guide them through calculations. Although unit conversions are taught in a variety of subjects over several grade levels, many students have not mastered this topic by the time…
Descriptors: Chemistry, Evaluation Methods, Science Education, Active Learning
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Duis, Jennifer M. – Journal of Chemical Education, 2011
An exploratory study was conducted with 23 organic chemistry educators to discover what general chemistry concepts they typically review, the concepts they believe are fundamental to introductory organic chemistry, the topics students find most difficult in the subject, and the misconceptions they observe in undergraduate organic chemistry…
Descriptors: Fundamental Concepts, Organic Chemistry, Misconceptions, Higher Education
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Martin, Christopher B.; Schmidt, Monica; Soniat, Michael – Journal of Chemical Education, 2011
A survey was conducted of four-year institutions that teach undergraduate organic chemistry laboratories in the United States. The data include results from over 130 schools, describes the current practices at these institutions, and discusses the statistical results such as the scale of the laboratories performed, the chemical techniques applied,…
Descriptors: Organic Chemistry, Laboratory Equipment, Undergraduate Students, Science Education
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Lindmark, Alan F. – Journal of Chemical Education, 2010
Teaching the VSEPR (valence shell electron-pair repulsion) model can be a tedious process. Traditionally, Lewis structures are drawn and the number of "electron clouds" (groups) around the central atom are counted and related to the standard VSEPR table of possible geometries. A simpler method to deduce the VSEPR structure without first drawing…
Descriptors: Majors (Students), Inorganic Chemistry, Lecture Method, Science Education
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Kimbrough, Doris Renate; Jensen, Anna Chick – Journal of Chemical Education, 2010
An introduction to the chemistry of the triazine compound, melamine, is presented as well as a brief discussion of the health impacts on humans and pets when melamine contaminates milk products and pet food. Melamine has repeatedly been in the news, and its topical nature provides an excellent springboard for applications of a variety of chemical…
Descriptors: Organic Chemistry, Scientific Concepts, Science Education, High Schools
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Bindel, Thomas H. – Journal of Chemical Education, 2010
Entropy analyses as a function of the extent of reaction are presented for a number of physicochemical processes, including vaporization of a liquid, dimerization of nitrogen dioxide, and the autoionization of water. Graphs of the total entropy change versus the extent of reaction give a visual representation of chemical equilibrium and the second…
Descriptors: Chemistry, Scientific Concepts, Data Analysis, Graphs
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Loyson, Peter – Journal of Chemical Education, 2010
This article describes the use of Latin-derived words and terms used in chemistry, and explores the meaning of these words, so as to lead to a better understanding of these words, so commonly used in the teaching of chemistry. As the article shows, there are many such words, and with some elementary knowledge, a greater meaning is given to these…
Descriptors: Organic Chemistry, Science Education, Vocabulary Development, Latin
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McGrath, Nicholas A.; Brichacek, Matthew; Njardarson, Jon T. – Journal of Chemical Education, 2010
A new free graphical teaching tool that highlights the beautiful organic architectures of the top selling pharmaceuticals is detailed on two posters. In addition to the multitude of teaching and data-mining opportunities these posters offer, they were also created to emphasize the central role organic chemists play in the development of new…
Descriptors: Visual Stimuli, Teaching Methods, Educational Opportunities, Organic Chemistry
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