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Showing 1,621 to 1,635 of 1,739 results Save | Export
Duit, Reinders; Kesidou, Sofia – 1990
The focus of this study was to portray the ideas that students with four years experience in learning physics developed in regard to the second law of thermodynamics. Data were obtained through 34 clinical interviews with grade 10 students. An analysis of student arguments revealed deeply rooted difficulties in using concepts that were learned in…
Descriptors: Cognitive Development, Cognitive Structures, Foreign Countries, Misconceptions
Linn, Marcia C. – 1988
Research offers important suggestions concerning science curriculum design, and real-time data collection technology offers great opportunities. This paper discusses how recent increases in understanding the nature of the learner and the process of instruction combined with recent advances in technology might lead to improved science instruction.…
Descriptors: Computer Assisted Instruction, Curriculum Design, Epistemology, Instructional Design
Peer reviewed Peer reviewed
Lombardo, Anthony; Bieber, Theodore I. – Journal of Chemical Education, 1983
Describes a series of experiments (intended to approximate the research experience) investigating the reaction of ferrocenylmethylation with aniline. Students carry out reactions in nitrogen atmosphere, identify products by nuclear magnetic resonance spectroscopy and propose mechanisms and structures for reactions. Gives procedures for each…
Descriptors: Chemical Analysis, Chemical Reactions, Chemistry, Chromatography
Peer reviewed Peer reviewed
Jones, Hugh G. – Physics Education, 1984
Provides a simplified, synoptic overview of the area of thermodynamics, enumerating and explaining the four basic laws, and introducing the mathematics involved in a stepwise fashion. Discusses such basic tools of thermodynamics as enthalpy, entropy, Helmholtz free energy, and Gibbs free energy, and their uses in problem solving. (JM)
Descriptors: Calculus, College Science, Energy, Heat
Peer reviewed Peer reviewed
Romer, Robert H. – Physics Teacher, 1982
Traces the history and development of temperature scales which began with the 17th-century invention of the liquid-in-glass thermometer. Focuses on the work of Olaf Romer, Daniel Fahrenheit, Rene-Antoine de Reamur, Anders Celsius, and William Thomson (Lord Kelvin). Includes experimental work and consideration of high/low fixed points on the…
Descriptors: College Science, High Schools, Higher Education, Measurement Equipment
Peer reviewed Peer reviewed
Moore, John W., Ed. – Journal of Chemical Education, 1982
Nine computer programs (available from the authors) are described including graphic display of molecular structures from crystallographic data, computer assisted instruction (CAI) with MATH subroutine, CAI preparation-for-chemistry course, calculation of statistical thermodynamic properties, qualitative analysis program, automated conductimetric…
Descriptors: Calculators, Chemical Reactions, Chemistry, College Science
Peer reviewed Peer reviewed
Chou, Yu-Ping – Science Activities, 2002
Presents activities that integrate physics, earth science, and health. Students explore their own sensible temperature focusing on the physical processes of heat transfer. (DDR)
Descriptors: Earth Science, Elementary Secondary Education, Experiential Learning, Hands on Science
Peer reviewed Peer reviewed
Glasser, L. – Journal of Chemical Education, 1989
The evolution of ideas about the concept of chaos is surveyed. Discussed are chaos in deterministic, dynamic systems; order in dissipative systems; and thermodynamics and irreversibility. Included are logistic and bifurcation maps to illustrate points made in the discussion. (CW)
Descriptors: Atomic Structure, Chaos Theory, Chemical Equilibrium, Chemistry
Peer reviewed Peer reviewed
Hauserman, W. B. – Journal of Chemical Education, 1988
Evaluates the overall economic efficiency of a closed resource cycle. Uses elementary thermodynamic definitions of overall thermal efficiency for determining an economically quantifiable basis. Selects aluminum for investigation and includes a value-entropy diagram for a closed aluminum cycle. (MVL)
Descriptors: Chemical Analysis, Chemistry, College Science, Conservation (Environment)
Peer reviewed Peer reviewed
Raines, Ronald T.; Hansen, David E. – Journal of Chemical Education, 1988
Attempts to provide an intuitive understanding of steady state kinetics. Discusses the meaning of steady state and uses free energy profiles to illustrate and follow complex kinetic and thermodynamic relationships. Provides examples with explanations. (MVL)
Descriptors: Chemical Reactions, Chemistry, College Science, Creative Thinking
Peer reviewed Peer reviewed
Lin, King-Chuen – Journal of Chemical Education, 1988
Discusses the concept of kinetic versus thermodynamic control of reactions. Explains on the undergraduate level (1) the role of kinetic and thermodynamic control in kinetic equations, (2) the influence of concentration and temperature upon the reaction, and (3) the application of factors one and two to synthetic chemistry. (MVL)
Descriptors: Chemical Equilibrium, Chemical Reactions, Chemistry, College Science
Peer reviewed Peer reviewed
Sperandeo-Mineo, R. M.; Tripi, G. – Physics Education, 1988
Studies the pressure and energy of particles interacting through a Lennard-Jones potential and correlates thermodynamical properties with system structural characteristics. Analyzes the relationships between computer simulated data and the van der Waals equation. (YP)
Descriptors: College Science, Computer Assisted Instruction, Computer Simulation, Computer Uses in Education
Peer reviewed Peer reviewed
Da Silva, Francisco A.; And Others – Chemical Engineering Education, 1991
Described is a computer software package suitable for teaching and research in the area of multicomponent vapor-liquid equilibrium. This program, which has a complete database, can accomplish phase-equilibrium calculations using various models and graph the results. (KR)
Descriptors: Chemical Engineering, Chemical Equilibrium, Chemistry, College Science
Peer reviewed Peer reviewed
Odum, Eugene P. – Bioscience, 1992
Presents an annotated list of 20 basic concepts from ecology that might be considered for inclusion in courses of study designed to improve environmental literacy among undergraduates. Supplies references for each concept. (64 references) (JJK)
Descriptors: College Science, Curriculum Development, Ecology, Economic Factors
Peer reviewed Peer reviewed
Gilbert, George L. – Journal of Chemical Education, 1990
Included are three demonstrations that include the phase change of ice when under pressure, viscoelasticity and colloid systems, and flame tests for metal ions. The materials, procedures, probable results, and applications to real life situations are included. (KR)
Descriptors: Chemistry, College Science, Demonstrations (Educational), Educational Experiments
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