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Andrews, David L.; Bradshaw, David S. – European Journal of Physics, 2009
Nonlinear optics is generally first presented as an extension of conventional optics. Typically the subject is introduced with reference to a classical oscillatory electric polarization, accommodating correction terms that become significant at high intensities. The material parameters that quantify the extent of the nonlinear response are cast as…
Descriptors: Optics, Scientific Principles, Mathematical Formulas, Science Instruction
Hacker, Douglas J., Ed.; Dunlosky, John, Ed.; Graesser, Arthur C., Ed. – Routledge, Taylor & Francis Group, 2009
Providing comprehensive coverage of the theoretical bases of metacognition and its applications to educational practice, this compendium of focused and in-depth discussions from leading scholars in the field: (1) represents an intersection of education, cognitive science, and technology; (2) serves as a gateway to the literature for researchers…
Descriptors: Metacognition, Educational Practices, Theories, Cognitive Science
Johnson, Carla; Fargo, Jamison; Kahle, Jane Butler – School Science and Mathematics, 2010
This longitudinal, five-year study of teachers and students who had participated in a systemic reform program in science explored if (1) teacher change in practice realized during a three-year program is sustained one, two, and three years following the program, (2) student performance on state science assessments two years following studying with…
Descriptors: Program Effectiveness, Educational Change, Longitudinal Studies, Achievement Gains
Ellis, Paul D. – Cambridge University Press, 2010
This succinct and jargon-free introduction to effect sizes gives students and researchers the tools they need to interpret the practical significance of their results. Using a class-tested approach that includes numerous examples and step-by-step exercises, it introduces and explains three of the most important issues relating to the practical…
Descriptors: Effect Size, Statistical Analysis, Meta Analysis, Research
Fitzgerald, S.; McCauley, R.; Hanks, B.; Murphy, L.; Simon, B.; Zander, C. – IEEE Transactions on Education, 2010
Learning to debug is a difficult, yet essential, aspect of learning to program. Students in this multi-institutional study report that finding bugs is harder than fixing them. They use a wide variety of debugging strategies, some of them unexpected. Time spent on understanding the problem can be effective. Pattern matching, particularly at the…
Descriptors: Undergraduate Study, Computer Science Education, Introductory Courses, Programming
Knaus, Karen J.; Murphy, Kristen L.; Holme, Thomas A. – Journal of Chemical Education, 2009
The design and use of a chemistry practice exam instrument that includes a measure for student mental effort is described in this paper. Use of such an instrument can beneficial to chemistry students and chemistry educators as well as chemical education researchers from both a content and cognitive science perspective. The method for calculating…
Descriptors: Chemistry, Cognitive Psychology, Tests, College Students
Donnelly, Lisa A.; Kazempour, Mahsa; Amirshokoohi, Aidin – Research in Science Education, 2009
Evolution is an important and sometimes controversial component of high school biology. In this study, we used a mixed methods approach to explore students' evolution acceptance and views of evolution teaching and learning. Students explained their acceptance and rejection of evolution in terms of evidence and conflicts with religion and…
Descriptors: Evolution, Student Attitudes, Biology, Learning Experience
Cenadelli, D.; Zeni, M.; Bernagozzi, A.; Calcidese, P.; Ferreira, L.; Hoang, C.; Rijsdijk, C. – European Journal of Physics, 2009
Trigonometric parallax is a powerful method to work out the distance of celestial bodies, and it was used in the past to measure the distance of the Moon, Venus, Mars and nearby stars. We set up an observation campaign for high school and undergraduate students with the purpose to measure both the Moon's and Mars' parallax. To have a large enough…
Descriptors: Undergraduate Students, Astronomy, Foreign Countries, Measurement Techniques
Zhang, Xiaorong – Biochemistry and Molecular Biology Education, 2009
This article describes a new approach to teaching bioinformatics using "Arabidopsis" genetic sequences. Several open-ended and inquiry-based laboratory exercises have been designed to help students grasp key concepts and gain practical skills in bioinformatics, using "Arabidopsis" leucine-rich repeat receptor-like kinase (LRR…
Descriptors: Genetics, Biology, Teaching Methods, Laboratory Experiments
Ozerov, Oleg V.; Fafard, Claudia M.; Hoffman, Norris W. – Journal of Chemical Education, 2007
This manuscript describes a set of three experiments that investigates the thermodynamic and kinetic aspects of phosphine substitution at a Ru center. In the first experiment, the students synthesize a Ru organometallic complex containing a phosphine ligand. In the second, equilibria for phosphine substitution involving several different…
Descriptors: Thermodynamics, Kinetics, Chemistry, Science Instruction
Lekner, John – European Journal of Physics, 2008
Any free-particle wavepacket solution of Schrodinger's equation can be converted by differentiations to wavepackets rotating about the original direction of motion. The angular momentum component along the motion associated with this rotation is an integral multiple of [h-bar]. It is an "intrinsic" angular momentum: independent of origin and…
Descriptors: Quantum Mechanics, Motion, Physics, Science Instruction
Howland, Joyce, Comp. – Library of Congress, 2007
Selected sources in this bibliography provide guidance to students, parents, and teachers throughout the process of planning, developing, implementing and competing in science fair activities. Sources range in suitability from elementary to high school levels. This guide updates "Library of Congress Science Tracer Bullet" 01-4. More specialized…
Descriptors: Science Projects, Space Sciences, Science Fairs, Guidance
Misic, Tatjana; Najdanovic-Lukic, Marina; Nesic, Ljubisa – European Journal of Physics, 2010
Dimensional analysis is a simple, clear and intuitive method for determining the functional dependence of physical quantities that are of importance to a certain process. However, in physics textbooks, very little space is usually given to this approach and it is often presented only as a diagnostic tool used to determine the validity of…
Descriptors: Textbooks, Physics, Science Instruction, Scientific Principles
Costu, Bayram – Chemistry Education Research and Practice, 2008
The aim of this study was to elicit students' conceptions about big bubbles in boiling liquids (water, ethanol and aqueous CuSO[subscript 4] solution). The study is based on twenty-four students at different ages and grades. The clinical interviews technique was conducted to solicit students' conceptions and the interviews were analyzed to…
Descriptors: Concept Formation, Misconceptions, Science Instruction, Scientific Concepts
MacDonald, Gina – Journal of Chemical Education, 2008
This report describes a biochemistry laboratory that is completely project-oriented. Upper-level biology and chemistry majors work in teams to purify a protein of their choice. After the student groups have completed literature searches, ordered reagents, and made buffers they continue to learn basic protein purification and biochemical techniques…
Descriptors: Biochemistry, Student Research, Student Projects, Group Activities