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Showing 1 to 15 of 1,196 results Save | Export
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Kitson, Trevor M. – Journal of Chemical Education, 2003
Presents an experiment that is quick and easy to prepare, visually striking, and amusing to students. Relates to several key chemical concepts including polarity, intermolecular forces, solubility, and spectrophotometry. (Author/NB)
Descriptors: Chemical Reactions, Chemistry, Demonstrations (Science), Higher Education
Peer reviewed Peer reviewed
Laroche, Lyubov Hoffman; Wulfsberg, Gary; Young, Barbara – Journal of Chemical Education, 2003
Recommends using educational technology to present images of chemical reactions to students instead of doing time-consuming live demonstrations. Uses a VCR to show hazardous chemical reactions, give instructions to organize students into groups, think about data, draw conclusions, and design an experiment. Reports that the quality of learning from…
Descriptors: Chemical Reactions, Chemistry, Classroom Techniques, College Freshmen
Peer reviewed Peer reviewed
Waddell, Thomas G.; Rybolt, Thomas R. – Journal of Chemical Education, 2003
Presents a mystery based on the well-known characters, Sherlock Holmes and Dr. Watson. Emphasizes qualitative inorganic analysis, laboratory observations, and oxidation-reduction processes. (Author/YDS)
Descriptors: Chemical Reactions, Chemistry, Higher Education, Laboratory Experiments
Peer reviewed Peer reviewed
Sanger, Michael J. – Journal of Chemical Education, 2003
Presents an inquiry-based science activity in which students collect data to determine whether flipping pennies and burning candles follow zero- or first-order rate laws. (KHR)
Descriptors: Chemical Reactions, Chemistry, Inquiry, Kinetics
Peer reviewed Peer reviewed
Martinez-Jimenez, P.; Pontes-Pedrajas, A.; Polo, J.; Climent-Bellido, M. S. – Journal of Chemical Education, 2003
Describes a project involving the development, application, and evaluation of a virtual chemistry laboratory (VCL) that involves basic step-by-step laboratory procedures and simulates real laboratory activities. Presents the program in terms of tutorial, VCL, and evaluation, and a section that allows instructors to create their own tests. (KHR)
Descriptors: Chemical Reactions, Chemistry, Computer Simulation, Computer Uses in Education
Peer reviewed Peer reviewed
Noble, Mark, E. – Journal of Chemical Education, 2003
Presents an activity on chemical changes and experimentation with testing the roles of various reactants in accomplishing the changes. (Author/KHR)
Descriptors: Acids, Chemical Reactions, Chemistry, Curriculum Design
Peer reviewed Peer reviewed
Wellman, Whitney E.; Noble, Mark E. – Journal of Chemical Education, 2003
Compares the revised Blue Bottle formulation to the classical Blue Bottle. Indicates that the revised formulation gives a somewhat bluer solution, but initially slower reduction when compared to the classical formulation. (Author/KHR)
Descriptors: Chemical Reactions, Chemistry, Higher Education, Science Activities
Peer reviewed Peer reviewed
Journal of Chemical Education, 2002
Describes a chemistry demonstration on freezing point depression wherein students investigate the effects of adding various substances to ice water. Includes instructor information and a student activity sheet. (YDS)
Descriptors: Chemical Reactions, Chemistry, Demonstrations (Science), Higher Education
Peer reviewed Peer reviewed
Neeland, Edward G. – Journal of Chemical Education, 2002
Explains how to use magnets to demonstrate the electron flow mechanism of a chemical reaction. (YDS)
Descriptors: Chemical Reactions, Chemistry, Demonstrations (Science), Magnets
Peer reviewed Peer reviewed
Wright, Stephen W. – Journal of Chemical Education, 2002
Presents an activity that uses supermarket chemicals to perform a clock reaction in which the endpoint is signaled by an abrupt change in the appearance from colorless to blue-black. This activity can be used to explore reaction kinetics and the effect of reactant concentrations on the apparent rate of reaction. (DDR)
Descriptors: Chemical Reactions, Chemistry, Demonstrations (Science), Hands on Science
Peer reviewed Peer reviewed
Wright, Stephen W. – Journal of Chemical Education, 2002
Describes a dramatic chemical demonstration in which chemicals that are black and white combine to produce a colorless liquid. Reactants include tincture of iodine, bleach, white vinegar, Epsom salt, vitamin C tablets, and liquid laundry starch. (DDR)
Descriptors: Chemical Reactions, Chemistry, Demonstrations (Science), Hands on Science
Peer reviewed Peer reviewed
Comet, M.; Schreyeck, L.; Fuzellier, H. – Journal of Chemical Education, 2002
Reports the discovery of an efficient base composition for making bengal lights that is obtained with potassium chlorate and thiourea. Combining this mixture with appropriate flame coloring can produce several impressive bengal lights. (DDR)
Descriptors: Chemical Reactions, Chemistry, Demonstrations (Science), Hands on Science
Peer reviewed Peer reviewed
Cortes-Figueroa, Jose E.; Moore, Deborah A. – Journal of Chemical Education, 2002
Describes the use of calculator based laboratory (CBL) technology in monitoring the process of chemical reactions. Explains the estimation of infinity readings and criteria to choose t values. (YDS)
Descriptors: Chemical Reactions, Chemistry, Educational Technology, Graphing Calculators
Peer reviewed Peer reviewed
Choi, Martin M. F. – Journal of Chemical Education, 2002
Demonstrates some of the chemistry of chlorine on a microscale about the size of a water droplet. Chlorine gas was prepared from an acidified bleach solution in a plastic petri dish. Provides suitable hands-on experience for students at the secondary-school level. (MM)
Descriptors: Chemical Reactions, Chemistry, Science Activities, Science Experiments
Peer reviewed Peer reviewed
Chen, Yueh-Huey; Yaung, Jing-Fun – Journal of Chemical Education, 2002
Presents a general chemistry stoichiometry experiment using materials involved in everyday life. From this activity, students learn that a chemical reaction occurs when an Alka-Seltzer tablet is dropped into water. Students also practice plotting experimental data through the use of a graphing program. Interpretation of the graph helps them…
Descriptors: Academic Achievement, Chemical Reactions, Chemistry, Cooperation
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