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Showing 121 to 135 of 3,986 results Save | Export
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Nicoll, Gayle – Journal of Chemical Education, 2003
Reports research that investigates the encoding that students use to develop molecular models at the undergraduate level. Focuses on the translation between symbolic and subatomic representations of molecules. (Contains 31 references.) (DDR)
Descriptors: Atomic Structure, Chemistry, College Curriculum, Concept Formation
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Goss, Lisa M. – Journal of Chemical Education, 2003
Introduces a science demonstration on the dissolution of sulfuric oxide emphasizing the concept of acid rain which is an environmental problem. Demonstrates the acidification from acid rain on two lake environments, limestone and granite. Includes safety information. (YDS)
Descriptors: Acid Rain, Chemistry, Environmental Education, Higher Education
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Journal of Chemical Education, 2003
Demonstrates acid rain falling into lakes using vinegar and explores the effects on different types of solids such as chalk, sand, and lime. Includes instructor information and student worksheets. (YDS)
Descriptors: Acid Rain, Chemistry, Higher Education, Science Activities
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Li, Edwin; Barnett, Stanley M.; Ray, Barbara – Journal of Chemical Education, 2003
Explains how to manage waste after a classroom laboratory experiment which generally has the potential to generate large amounts of waste. Focuses on pollution prevention and the selection processes to eliminate or minimize waste. (YDS)
Descriptors: Chemistry, Higher Education, Laboratory Safety, Pollution
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Selco, Jodye I.; Roberts, Julian L., Jr.; Wacks, Daniel B. – Journal of Chemical Education, 2003
Describes a sea-water analysis project that introduces qualitative and quantitative analysis methods and laboratory methods such as gravimetric analysis, potentiometric titration, ion-selective electrodes, and the use of calibration curves. Uses a problem-based cooperative teaching approach. (Contains 24 references.) (YDS)
Descriptors: Chemical Analysis, Chemistry, Cooperative Learning, Course Descriptions
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McCalla, Joanne – Journal of Chemical Education, 2003
Presents a problem solving approach which follows a pathway allowing students to visualize patterns, have an overview of the problem, and clarify the connections. Investigates the quality of student constructed pathways and reports greater success with the approach on difficult problems rather than easy ones. (Contains 13 references.) (YDS)
Descriptors: Chemistry, Higher Education, Physics, Problem Solving
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Smith, Bradley D.; Jacobs, Dennis C. – Journal of Chemical Education, 2003
Points out the important use of textbooks and their ancillary resources in lower-division chemistry courses and the scientific misconceptions found in them. Introduces the TextRev Project which is a new resource for data collection and analysis. Investigates how first and second year chemistry students use and value their textbooks and their study…
Descriptors: Chemistry, Evaluation Methods, Higher Education, Misconceptions
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Gorin, George – Journal of Chemical Education, 2003
Defines the terms "mole", "mole per liter", and "molar" in chemistry contexts and discusses these measurement units, SI units, and their importance in chemistry. (YDS)
Descriptors: Chemical Nomenclature, Chemistry, Higher Education, Measurement
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Mabrouk, Suzanne T. – Journal of Chemical Education, 2003
Presents an interactive method for using the periodic table as an effective mnemonic for writing electronic configurations. Discusses the intrinsic relevance of configurations to chemistry by building upon past analogies. Addresses pertinent background information, describes the hands-on method, and demonstrates its use. Transforms the traditional…
Descriptors: Chemistry, Demonstrations (Science), Higher Education, Mnemonics
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Cronyn, Marshall W. – Journal of Chemical Education, 2003
Discusses the proper place for hydrogen in the periodic table. (NB)
Descriptors: Chemistry, Higher Education, Scientific Concepts, Secondary Education
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Jensen, William B. – Journal of Chemical Education, 2003
Investigates the origins of the universal gas constant R and presents an historical perspective. (SOE)
Descriptors: Chemistry, Higher Education, Science History, Science Instruction
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Jensen, William P.; Palenik, Gus J.; Suh, Il-Hwan – Journal of Chemical Education, 2003
Discusses the importance of complex molecular structures. Emphasizes their individual significance through examination of the Nobel Prizes of the 20th century. Highlights prizes awarded to Conrad Rontgen, Francis H.C. Crick, James D. Watson, Maurice H.F. Wilkins, and others. (SOE)
Descriptors: Awards, Higher Education, Molecular Structure, Professional Recognition
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Hodges, Linda C.; Harvey, Lilia C. – Journal of Chemical Education, 2003
Describes the use of a standardized instrument, the Structure of Observed Learning Outcomes (SOLO) taxonomy, in an organic chemistry course at a small liberal arts college for women. Concludes that the method is a powerful tool for analyzing points of difficulty in student learning and following student progress in the understanding of particular…
Descriptors: Evaluation Methods, Higher Education, Organic Chemistry, Science Education
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Jensen, William B. – Journal of Chemical Education, 2003
Traces electronegativity in four fundamental areas of chemistry during the period 1870-1910: (1) the relationship between electronegativity and classical valence; (2) the relationship between electronegativity and periodic law; (3) the relationship between electronegativity thermochemistry; and (4) the relationship between electronegativity and…
Descriptors: Chemistry, Electrochemistry, Higher Education, Science History
Peer reviewed Peer reviewed
Welsh, Michael J. – Journal of Chemical Education, 2003
Describes an organic functional group card deck developed to help students visualize the structures of 13 common organic functional groups. (YDS)
Descriptors: Chemical Nomenclature, Educational Games, Educational Strategies, Higher Education
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