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Deschaine, J. S.; Suits, B. H. – European Journal of Physics, 2008
Normal mode solutions for the perfectly flexible hanging cord problem have been known for over 200 years. More recently, theoretical results for a hanging cord with a point mass attached were presented. Here the theoretical results are tested experimentally using high-precision techniques which are accessible for use in an introductory laboratory.…
Descriptors: Physics, Item Response Theory, Science Instruction, College Science
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Curtin, Maria A.; Ingalls, Laura R.; Campbell, Andrew; James-Pederson, Magdalena – Journal of Chemical Education, 2008
This article describes a novel experiment focused on metal ion hydrolysis and the equilibria related to metal ions in aqueous systems. Using [superscript 27]Al NMR, the students become familiar with NMR spectroscopy as a quantitative analytical tool for the determination of aluminum by preparing a standard calibration curve using standard aluminum…
Descriptors: Inorganic Chemistry, Science Instruction, Spectroscopy, Science Experiments
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Chang, Chi-Cheng; Chen, Cheng-Chuan; Chen, Yi-Hui – Computers & Education, 2012
This research attempted to categorize reflection in a Web-based portfolio assessment using the Chinese Word Segmenting System (CWSS). Another aim of this research was to explore reflective performance in which individual differences were further examined. Participants were 45 eight-grade students from a junior high school taking a computer course.…
Descriptors: Junior High School Students, Grade 8, Computer Science Education, Reflection
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Bannier, Betsy J. – Journal of Science Education and Technology, 2010
While comprehensive texts, articles, and literature reviews presenting research in the singular arenas of motivation, help-seeking, and online science learning are relatively easy to find, syntheses and interactions between these constructs are lacking. Part I of this review addresses this knowledge gap by drawing together key research from the…
Descriptors: Help Seeking, Self Efficacy, Educational Psychology, Student Motivation
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Schuttlefield, Jennifer D.; Larsen, Sarah C.; Grassian, Vicki H. – Journal of Chemical Education, 2008
Attenuated total reflectance-Fourier transform infrared (ATR-FTIR) spectroscopy is a useful technique for measuring the infrared spectra of solids and liquids as well as probing adsorption on particle surfaces. The use of FTIR-ATR spectroscopy in organic and inorganic chemistry laboratory courses as well as in undergraduate research was presented…
Descriptors: Spectroscopy, Chemistry, Laboratory Experiments, Science Instruction
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Kelly, Resa M.; Jones, Loretta L. – Journal of Chemical Education, 2008
Animations of the particulate level of matter are widely available for use in chemistry classes and are often the primary means of representing molecular behavior. These animations may also be viewed by individual students using textbook Web sites, although without reinforcement or feedback. It is not known to what extent the material in these…
Descriptors: Chemistry, Animation, Science Instruction, Teaching Methods
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Sianoudis, I. A.; Drakaki, E. – European Journal of Physics, 2008
The continuous growth of computer and sensor technology allows many researchers to develop simple modifications and/or refinements to standard educational experiments, making them more attractive and comprehensible to students and thus increasing their educational impact. In the framework of this approach, the present study proposes an alternative…
Descriptors: Science Activities, Computer Software, Laboratory Experiments, Science Experiments
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Lopez-Ramos, A.; Menendez, J. R.; Pique, C. – European Journal of Physics, 2008
This paper, as its main didactic objective, shows the conditions needed for the validity of Faraday's law of induction. Inadequate comprehension of these conditions has given rise to several paradoxes about the issue; some are analysed and solved in this paper in the light of the theoretical deduction of the induction law. Furthermore, an…
Descriptors: Validity, Physics, Logical Thinking, Science Experiments
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Sise, Omer; Manura, David J.; Dogan, Mevlut – European Journal of Physics, 2008
The interactive nature of computer simulation allows students to develop a deeper understanding of the laws of charged particle optics. Here, the use of commercially available optical design programs is described as a tool to aid in solving charged particle optics problems. We describe simple and practical demonstrations of basic electrostatic…
Descriptors: Computer Simulation, Optics, Science Instruction, Molecular Structure
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Edgcomb, Michelle; Britner, Shari L.; McConnaughay, Kelly; Wolffe, Robert – Journal of College Science Teaching, 2008
Science 101 was designed by a multidisciplinary, multi-institutional team, with leadership from the Departments of Biology and Teacher Education, and participation by faculty in the Departments of Chemistry, Physics, and Mathematics, the College of Engineering, and master teachers from school districts in the state of Illinois. Their goal was to…
Descriptors: Preservice Teacher Education, Education Majors, Preservice Teachers, Academic Achievement
Science Service, 2008
Research is a process by which people discover or create new knowledge about the world in which they live. The International Science and Engineering Fair (ISEF) and Affiliated Fairs are research (data) driven. Students design research projects that provide quantitative data through experimentation followed by analysis and application of that data.…
Descriptors: Research Papers (Students), Student Projects, Science Fairs, Science Education
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Capelli, R.; Pozzi, G. – European Journal of Physics, 2008
It is shown how the same physically appealing method can be applied to find analytic solutions for two difficult and apparently unrelated problems in optics and electrostatics. They are: (i) the diffraction of a plane wave at a perfectly conducting thin half-plane and (ii) the electrostatic field associated with a parallel array of stripes held at…
Descriptors: Undergraduate Students, Optics, Calculus, Science Instruction
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Pursell, David P. – Journal of Chemical Education, 2009
Students of organic chemistry traditionally make 3 x 5 in. flash cards to assist learning nomenclature, structures, and reactions. Advances in educational technology have enabled flash cards to be viewed on computers, offering an endless array of drilling and feedback for students. The current generation of students is less inclined to use…
Descriptors: Feedback (Response), Student Attitudes, Organic Chemistry, Educational Technology
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Tolentino, Lisa; Birchfield, David; Megowan-Romanowicz, Colleen; Johnson-Glenberg, Mina C.; Kelliher, Aisling; Martinez, Christopher – Journal of Science Education and Technology, 2009
As emerging technologies become increasingly inexpensive and robust, there is an exciting opportunity to move beyond general purpose computing platforms to realize a new generation of K-12 technology-based learning environments. Mixed-reality technologies integrate real world components with interactive digital media to offer new potential to…
Descriptors: Elementary Secondary Education, Chemistry, Learning Laboratories, Statistical Analysis
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Blanco, Francesco; La Rocca, Paola; Petta, Catia; Riggi, Francesco – European Journal of Physics, 2009
An educational model simulation of the sound produced by lightning in the sky has been employed to demonstrate realistic signatures of thunder and its connection to the particular structure of the lightning channel. Algorithms used in the past have been revisited and implemented, making use of current computer techniques. The basic properties of…
Descriptors: Computer Uses in Education, Simulation, Science Instruction, Introductory Courses
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