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Direct linkPolito, Victoria; Hamann, Christian S.; Rhile, Ian J. – Journal of Chemical Education, 2010
In this discovery laboratory, students performed electrophilic aromatic substitution reactions between 1,4-dimethoxybenzene and either 2-methyl-2-butanol or 3-methyl-2-butanol with sulfuric acid as a catalyst. The carbocation from 3-methyl-2-butanol undergoes a hydride shift, and hence, both reactions afford…
Descriptors: Organic Chemistry, Laboratory Experiments, Science Experiments, Spectroscopy
Canesin, Carlos A.; Goncalves, Flavio A. S.; Sampaio, Leonardo P. – IEEE Transactions on Education, 2010
This paper presents interactive power electronics educational tools. These interactive tools make use of the benefits of Java language to provide a dynamic and interactive approach to simulating steady-state ideal rectifiers (uncontrolled and controlled; single-phase and three-phase). Additionally, this paper discusses the development and use of…
Descriptors: Electronics, Laboratory Experiments, Simulation, Power Technology
Wolbeck, John – Physics Teacher, 2010
Photogate timers are commonly used in physics laboratories to determine the velocity of a passing object. In this application a card attached to a moving object breaks the beam of the photogate timer providing the time for the card to pass. The length L of the passing card can then be divided by this time to yield the average velocity (or speed)…
Descriptors: Physics, Motion, Science Instruction, Laboratory Equipment
Burtraw, Dallas; Goeree, Jacob; Holt, Charles A.; Myers, Erica; Palmer, Karen; Shobe, William – Journal of Policy Analysis and Management, 2009
Environmental markets have several institutional features that provide a new context for the use of auctions and that have not been studied previously. This paper reports on laboratory experiments testing three auction forms--uniform and discriminatory price sealed-bid auctions and an ascending clock auction. We test the ability of subjects to…
Descriptors: Microeconomics, Governance, Pollution, Game Theory
Landis, Arthur M.; Davies, Malonne I.; Landis, Linda – Journal of Chemical Education, 2009
Cleaning erasers are used to support methanol-fueled flame tests. This safe demonstration technique requires only small quantities of materials, provides clean colors for up to 45 seconds, and can be used in the classroom or the auditorium. (Contains 1 note.)
Descriptors: Chemistry, Science Education, Laboratory Experiments, Laboratory Procedures
Torres, Tarcilo; Milicic, Beatriz; Soto, Carlos; Sanjose, Vicente – EURASIA Journal of Mathematics, Science & Technology Education, 2013
Physics teachers use experimental devices to show students how scientific concepts, principles, and laws are applied to understand the real world. This paper studies question generation of secondary and under-graduate university students when they are confronted with experimental devices in different but usual teaching situations: reading about…
Descriptors: Physics, Science Instruction, Inquiry, Questioning Techniques
Bartocci, Ezio; Singh, Rupinder; von Stein, Frederick B.; Amedome, Avessie; Caceres, Alan Joseph J.; Castillo, Juan; Closser, Evan; Deards, Gabriel; Goltsev, Andriy; Ines, Roumwelle Sta.; Isbilir, Cem; Marc, Joan K.; Moore, Diquan; Pardi, Dana; Sadhu, Sandeep; Sanchez, Samuel; Sharma, Pooja; Singh, Anoopa; Rogers, Joshua; Wolinetz, Aron; Grosso-Applewhite, Terri; Zhao, Kai; Filipski, Andrew B.; Gilmour, Robert F., Jr.; Grosu, Radu; Glimm, James; Smolka, Scott A.; Cherry, Elizabeth M.; Clarke, Edmund M.; Griffeth, Nancy; Fenton, Flavio H. – Advances in Physiology Education, 2011
As part of a 3-wk intersession workshop funded by a National Science Foundation Expeditions in Computing award, 15 undergraduate students from the City University of New York collaborated on a study aimed at characterizing the voltage dynamics and arrhythmogenic behavior of cardiac cells for a broad range of physiologically relevant conditions…
Descriptors: Undergraduate Students, Mathematical Models, Student Interests, Laboratories
Sattar, Simeen – Journal of Chemical Education, 2011
Tris(1,10-phenanthroline)iron(II) is the basis of a suite of four experiments spanning 5 weeks. Students determine the rate law, activation energy, and equilibrium constant for the dissociation of the complex ion in acid solution and base dissociation constant for phenanthroline. The focus on one chemical system simplifies a daunting set of…
Descriptors: College Freshmen, College Science, Chemistry, Physics
Liao, Wayne C.; Lien, Ching-Yi – Journal of Chemical Education, 2011
This experiment is designed to teach entry-level, nonchemistry-major students some basic organic chemistry through the procedure for making cosmetics. The experiment combines facial toner preparation with distillation techniques to create a stimulating learning environment. During the experiment, students perform a distillation to collect some…
Descriptors: College Students, Chemistry, Nonmajors, Laboratory Experiments
Precup, R.-E.; Preitl, S.; Radac, M.-B.; Petriu, E. M.; Dragos, C.-A.; Tar, J. K. – IEEE Transactions on Education, 2011
This paper discusses an experiment-based approach to teaching an advanced control engineering syllabus involving controlled plant analysis and modeling, control structures and algorithms, real-time laboratory experiments, and their assessment. These experiments are structured around the representative case of the longitudinal slip control of an…
Descriptors: Foreign Countries, Engineering, Laboratory Experiments, Teaching Methods
Bennett, Jacqueline; Pence, Harry E. – Journal of Chemical Education, 2011
One of the most significant difficulties encountered when directing undergraduate research and developing new laboratory experiments is how to efficiently manage the data generated by a number of students. Cloud computing, where both software and computer files reside online, offers a solution to this data-management problem and allows researchers…
Descriptors: Laboratory Experiments, Student Research, Educational Technology, Computer Uses in Education
Bonanno, A.; Bozzo, G.; Camarca, M.; Sapia, P. – Physics Education, 2011
In this article we describe an experimental learning path about electromagnetic induction which uses an Atwood machine where one of the two hanging bodies is a cylindrical magnet falling through a plexiglass guide, surrounded either by a coil or by a copper pipe. The first configuration (magnet falling across a coil) allows students to…
Descriptors: Energy, Magnets, Science Instruction, Science Experiments
Drummond, Gordon B.; Vowler, Sarah L. – Advances in Physiology Education, 2011
Current standards of data presentation and analysis in biological journals often fall short of ideal. This is the first of a planned series of short articles, to be published in a number of journals, aiming to highlight the principles of clear data presentation and appropriate statistical analysis. This article considers the methods used to show…
Descriptors: Intervals, Statistical Analysis, Journal Articles, Periodicals
Cloonan, Carrie A.; Andrew, Julie A.; Nichol, Carolyn A.; Hutchinson, John S. – Journal of Chemical Education, 2011
This article describes an activity that can be used as an inquiry-based laboratory or demonstration for either high school or undergraduate chemistry students to provide a basis for understanding both vapor pressure and the concept of dynamic phase equilibrium. The activity includes a simple setup to create a closed system of only water liquid and…
Descriptors: Chemistry, Inquiry, Active Learning, Science Experiments
Ling, Chris D.; Bridgeman, Adam J. – Journal of Chemical Education, 2011
Titration experiments are ideal for generating large data sets for use in quantitative-analysis activities that are meaningful and transparent to general chemistry students. We report the successful implementation of a sophisticated quantitative exercise in which the students identify a series of unknown acids by determining their molar masses…
Descriptors: Chemistry, Statistical Analysis, Science Experiments, Laboratory Experiments
