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Showing 1 to 15 of 1,237 results Save | Export
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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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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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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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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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Alaimo, Peter J.; Langenhan, Joseph M.; Tanner, Martha J.; Ferrenberg, Scott M. – Journal of Chemical Education, 2010
We developed and implemented a yearlong safety program into our organic chemistry lab courses that aims to enhance student attitudes toward safety and to ensure students learn to recognize, demonstrate, and assess safe laboratory practices. This active, collaborative program involves the use of student "safety teams" and includes…
Descriptors: Student Attitudes, Laboratory Safety, Organic Chemistry, Science Laboratories
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Mundell, Donald W. – Journal of Chemical Education, 2009
Intermolecular forces and surface tension gradients in solutions lead to remarkable flows, known as Marangoni flows, where liquid flows from a region of low surface tension towards higher surface tension. Details of these flows, not visible to the naked eye, are made visible on an overhead projector owing to variation in the index of refraction.…
Descriptors: Projection Equipment, Chemistry, Human Body, Gardening
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Gerber, Ralph W.; Oliver-Hoyo, Maria T. – Journal of Chemical Education, 2008
This experiment is designed to expose undergraduate students to the process of selective etching by using soft lithography and the resulting electrical properties of multilayered films fabricated via self-assembly of gold nanoparticles. Students fabricate a conductive film of gold on glass, apply a patterned resist using a polydimethylsiloxane…
Descriptors: Undergraduate Students, Science Instruction, Experiments, Higher Education
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Ito, Takashi; Perera, D. M. Neluni T.; Nagasaka, Shinobu – Journal of Chemical Education, 2008
This article describes an undergraduate electrochemistry laboratory experiment in which the students measure the L-ascorbic acid content of a real sample. Gold electrodes modified with self-assembled monolayers (SAMs) of thioctic acid and cysteamine are prepared to study the effects of surface modification on the electrode reaction of L-ascorbic…
Descriptors: Chemistry, Laboratory Experiments, Higher Education, Undergraduate Students
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Bauer, Jurica; Tomisic, Vladislav; Vrkljan, Petar B. A. – Journal of Chemical Education, 2008
A simple method for studying the kinetics of a chemical reaction is described and the significance of reaction orders in deducing reaction mechanisms is demonstrated. In this student laboratory experiment, oxidation of iodide by iron(III) ions in an acidic medium is transformed into a clock reaction. By means of the initial rates method, it is…
Descriptors: Kinetics, Chemistry, Laboratory Experiments, Regression (Statistics)
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Clausen, Thomas P.; Green, Thomas K.; Steiner, Benjamin – Journal of Chemical Education, 2008
In teaching organic chemistry laboratory at this university, we eliminated the use of "canned" experiments from textbooks. Instead, we present students with literature studies that form the basis of developing new unpublished experiments to answer specific questions. In this research approach, students are better exposed to the chemical…
Descriptors: Research Design, Organic Chemistry, Higher Education, Teaching Methods
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Cuadros, Jordi; Yaron, David; Leinhardt, Gaea – Journal of Chemical Education, 2007
The learning opportunities that the students had in a general chemistry college course is analysed to build a model of science learning at the college level. The results suggest that authentic and contextualized home work can improve the learning in college classrooms.
Descriptors: Chemistry, College Instruction, Homework, Role
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McClusky, John V. – Journal of Chemical Education, 2007
A new tool known as the NMR Mosaic is developed which can be successfully used at universities and colleges to interpret proton NMR.
Descriptors: Science Instruction, Teaching Methods, Higher Education, Scientific Concepts
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Megehee, Elise G.; Hyslop, Alison G.; Rosso, Richard J. – Journal of Chemical Education, 2005
A novel approach to cross-disciplinary and group learning, known as interlaboratory collaborations, was developed. The method mimics an industrial or research setting, fosters teamwork, and emphasizes the importance of good communication skills in the sciences.
Descriptors: Communication Skills, Science Instruction, Higher Education, Teamwork
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