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Showing 1 to 15 of 238 results Save | Export
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McArdle, Patrick – Journal of Chemical Education, 2019
This article contrasts the normal method for drawing Lewis structures with a two-step systematic approach. The latter approach uses a known molecular connectivity and a knowledge of the number of valence electrons that each atom possesses to visualize bonds that are formed by pairing electrons, one from each atom. This process is repeated until at…
Descriptors: Chemistry, Science Instruction, Computer Assisted Instruction, Freehand Drawing
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Rodrigues, H.; dos Santos, A. C.; Soares, A. – Physics Education, 2020
In this article, physical quantities related to the motion of a parachute system in the framework of Newton's law of mechanics guide an informal approach to the mathematical concept of function. Furthermore, a graphical simulator that enables visualization of the fall of object-parachutes system is presented. The article is aimed at students and…
Descriptors: Science Instruction, Physics, Equipment, Scientific Principles
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Agcali, Rahime Yagmur; Atik, Bahar; Bilgen, Ecenaz; Karli, Berfu; Danisman, Mehmet Fatih – Journal of Chemical Education, 2019
Understanding the concepts of quantum mechanics has always been a challenge for undergraduate students. This is especially so because many of the introductory (analytically solvable) systems and problems discussed in textbooks are seemingly abstract. Using approximate experimental demonstrations of such systems and problems have been shown to be…
Descriptors: Science Instruction, Undergraduate Students, College Science, Quantum Mechanics
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Singh, Sushil Kumar; Kashyap, Jaya Shivangani; Rajwani, Priyanka; Kaur, Savinda – Physics Education, 2019
Understanding reflection and refraction are an integral part of school and college learning. In nature even birds and fish (Archer fish) very skillfully use refraction to strike down prey present above or below the water surface. Fermat's principle allows one to look beyond the reasons behind the laws governing the reflection and refraction. A…
Descriptors: Scientific Concepts, Scientific Principles, Computer Assisted Instruction, Science Experiments
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Brom, Joseph M. – Journal of Chemical Education, 2017
The concept of wave-particle duality in quantum theory is difficult to grasp because it attributes particle-like properties to classical waves and wave-like properties to classical particles. There seems to be an inconsistency involved with the notion that particle-like or wave-like attributes depend on how you look at an entity. The concept comes…
Descriptors: Chemistry, Science Instruction, Measurement Techniques, Scientific Concepts
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Khairurrijal; Eko Widiatmoko; Srigutomo, Wahyu; Kurniasih, Neny – Physics Education, 2012
A method has been developed to measure the swing period of a simple pendulum automatically. The pendulum position is converted into a signal frequency by employing a simple electronic circuit that detects the intensity of infrared light reflected by the pendulum. The signal produced by the electronic circuit is sent to the microphone port and…
Descriptors: Electronic Equipment, Laboratory Equipment, Science Instruction, Physics
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Kraftmakher, Yaakov – Physics Education, 2013
Electron-atom collisions in gases are an aspect of atomic physics. Three experiments in this field employing a thyratron are described: (i) the Ramsauer-Townsend effect, (ii) the excitation and ionization potentials of xenon and (iii) the ion-electron recombination after interrupting the electric discharge.
Descriptors: Science Instruction, Physics, Molecular Structure, Science Experiments
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Stewart, Brianna; Hylton, Derrick J.; Ravi, Natarajan – Journal of Chemical Education, 2013
A systematic way to understand the intricacies of quantum mechanical computations done by a software package known as "Gaussian" is undertaken via an undergraduate research project. These computations involve the evaluation of key parameters in a fitting procedure to express a Slater-type orbital (STO) function in terms of the linear…
Descriptors: Science Instruction, College Science, Chemistry, Computer Assisted Instruction
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Pellegrini, Marco – Journal of Computers in Mathematics and Science Teaching, 2014
Phase changes in water are experienced in everyday life but students often struggle to understand mechanisms that regulate them. Human thermal comfort is closely related to humidity, evaporative heat loss and heat transfer. The purpose of the present study is to assist students in the evaluation of human thermal comfort. Such a goal is achievable…
Descriptors: Computer Assisted Instruction, Heat, Teaching Methods, Pretests Posttests
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Anderson, Bruce D. – Journal of Chemical Education, 2012
Many quantum mechanical models are discussed as part of the undergraduate physical chemistry course to help students understand the connection between eigenvalue expressions and spectroscopy. Typical examples covered include the particle in a box, the harmonic oscillator, the rigid rotor, and the hydrogen atom. This article demonstrates that…
Descriptors: Chemistry, Science Instruction, Quantum Mechanics, Mechanics (Physics)
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Sánchez, Inmaculada Arnedillo, Ed.; Isaias, Pedro, Ed.; Ravesteijn, Pascal, Ed.; Ongena, Guido, Ed. – International Association for Development of the Information Society, 2019
These proceedings contain the papers and posters of the 15th International Conference on Mobile Learning 2019, which was organised by the International Association for Development of the Information Society and co-organised by the University of Applied Sciences, in Utrecht, The Netherlands, April 11-13, 2019. The Mobile Learning 2019 Conference…
Descriptors: Electronic Learning, Educational Research, Learning Analytics, Internet
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Grober, S.; Vetter, M.; Eckert, B.; Jodl, H. -J. – European Journal of Physics, 2010
The Rutherford scattering experiment plays a central role in working out atomic models in physics and chemistry. Nevertheless, the experiment is rarely performed at school or in introductory physics courses at university. Therefore, we realized this experiment as a remotely controlled laboratory (RCL), i.e. the experiment is set up in reality and…
Descriptors: Physics, Science Instruction, Science Experiments, Energy
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Singh, Gurmukh – Journal of Educational Technology Systems, 2012
The present article is primarily targeted for the advanced college/university undergraduate students of chemistry/physics education, computational physics/chemistry, and computer science. The most recent software system such as MS Visual Studio .NET version 2010 is employed to perform computer simulations for modeling Bohr's quantum theory of…
Descriptors: Undergraduate Students, Quantum Mechanics, Physics, Chemistry
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Formica, Sarah P.; Easley, Jessica L.; Spraker, Mark C. – Physical Review Special Topics - Physics Education Research, 2010
To determine whether teaching an introductory physics course with a traditional lecture style or with Just-in-Time teaching (a student-centered, interactive-engagement style) will help students to better understand Newtonian concepts, such as Newton's Third Law, 222 students in introductory physics courses taught by traditional lecture styles and…
Descriptors: Physics, Lecture Method, Introductory Courses, Computer Assisted Instruction
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Singh, Chandralekha; Haileselassie, Daniel – Journal of College Science Teaching, 2010
Science teaching and learning can be made both engaging and student-centered using pedagogical, computer-based learning tools. We have developed self-paced interactive problem-solving tutorials for introductory physics. These tutorials can provide guidance and support for a variety of problem-solving techniques, as well as opportunities for…
Descriptors: Computer Assisted Instruction, Physics, Problem Solving, Science Instruction
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