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Showing 1 to 15 of 41 results Save | Export
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Salido, Aaron Gálvez; Navajas-Pérez, Rafael – American Biology Teacher, 2022
Idiograms are graphical representations in which chromosomes appear ordered by their relative size, homology groups, and the presence of cytogenetic landmarks such as centromeres, secondary constrictions, and banding patterns. They have become crucial elements in cytogenetic research. Here, we describe a simple protocol for spreadsheet software to…
Descriptors: Genetics, Graphs, Visual Aids, Computer Software
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Mungan, Carl E. – Physics Teacher, 2021
An individual harmonic wave (i.e., having a single frequency and wavelength over all time and space) traveling in a loss-free medium has a single constant speed, which is equal to the magnitude of the phase velocity of the wave. However, when a set of different harmonic waves are traveling in the same direction, they interfere to form wave…
Descriptors: Computer Software, Teaching Methods, Graphs, Physics
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Gardner, Stephanie M.; Suazo-Flores, Elizabeth; Maruca, Susan; Abraham, Joel K.; Karippadath, Anupriya; Meir, Eli – Journal of Science Education and Technology, 2021
Graphing is an important practice for scientists and in K-16 science curricula. Graphs can be constructed using an array of software packages as well as by hand, with pen-and-paper. However, we have an incomplete understanding of how students' graphing practice vary by graphing environment; differences could affect how best to teach and assess…
Descriptors: Biology, Undergraduate Students, Graphs, Educational Technology
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Ramos, L. M.; Reis, C. R. N.; Calheiro, L. B.; Goncalves, A. M. B. – Physics Education, 2021
Using a joystick module, we followed the movement of a chaotic magnetic pendulum. The pendulum bar was attached to a joystick that served as a pivot point and biaxial angular motion sensor. Using an Arduino board, we could follow the position as a function of time along both the "x" and "y"-axis and draw a graph showing the…
Descriptors: Physics, Science Instruction, Computer Software, Motion
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Çoban, Atakan; Çoban, Niyazi – Physics Education, 2020
In this study, the spring constant was determined within the scope of Hooke's law. For this purpose, an Arduino MEGA, an HC-SR04 Ultrasonic Distance Sensor, and a 1 kg Load Cell Mass Sensor was used. Sensors and microprocessor are mounted on a plane. One end of the spring is mounted on the force sensor, and a wooden rod, perceived by the distance…
Descriptors: Physics, Science Instruction, Teaching Methods, Computer Software
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Munfaridah, Nuril; Avraamidou, Lucy; Goedhart, Martin – EURASIA Journal of Mathematics, Science and Technology Education, 2021
Using multiple representations (MR) such as graphs, symbols, diagrams, and text, is central to teaching and learning in physics classrooms. While different studies have provided evidence of the positive impact of the use of MR on physics learning, a comprehensive overview of existing literature on the use of MR in physics education, especially at…
Descriptors: Undergraduate Students, Physics, Science Instruction, Teaching Methods
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Dean, Kevin – European Journal of Physics Education, 2017
This paper represents a continuation of the theoretical and computational work from an earlier publication, with the present calculations using exactly the same physical values for the lengths L (0.435 m - 2.130 m) for the conical pendulum, mass m = 0.1111 kg, and with the local value of the acceleration due to gravity g = 9.789 ms[superscript…
Descriptors: Physics, Science Instruction, Graphs, Equations (Mathematics)
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Anastasiya S. Kadtsyna; Alexey S. Chubarov; Evgeniy D. Kadtsyn – Journal of Chemical Education, 2022
Cheminformatics is a widely used interdisciplinary field that is important for many chemistry areas. Cheminformatics skills are necessary for dealing with a large amount of chemical information and are considered essential for various tasks such as data analysis, visualization, storage, etc. This paper presents the basic cheminformatics chemistry…
Descriptors: Chemistry, Undergraduate Students, Science Instruction, Course Descriptions
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Kim, Kyung; Clariana, Roy B. – Educational Technology Research and Development, 2019
Previous research has shown that the knowledge structure (KS) complexity of a first language (L1) under certain conditions can strongly influence the KS complexity established in a second language (L2), and then this more complex L2 KS reciprocally influences L2 text comprehension. This present experimental investigation seeks to identify the…
Descriptors: Native Language, Second Language Learning, Second Language Instruction, English (Second Language)
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Tellinghuisen, Joel – Journal of Chemical Education, 2016
The method of least squares (LS) yields exact solutions for the adjustable parameters when the number of data values n equals the number of parameters "p". This holds also when the fit model consists of "m" different equations and "m = p", which means that LS algorithms can be used to obtain solutions to systems of…
Descriptors: Least Squares Statistics, Computer Software, Graphs, Chemistry
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Beeken, Paul – Physics Teacher, 2014
Graphing is an essential skill that forms the foundation of any physical science. Understanding the relationships between measurements ultimately determines which modeling equations are successful in predicting observations. Over the years, science and math teachers have approached teaching this skill with a variety of techniques. For secondary…
Descriptors: Graphs, Science Instruction, Measurement, Equations (Mathematics)
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Christian, Wolfgang; Belloni, Mario – Physics Teacher, 2013
We have recently developed a Graphs and Tracks model based on an earlier program by David Trowbridge, as shown in Fig. 1. Our model can show position, velocity, acceleration, and energy graphs and can be used for motion-to-graphs exercises. Users set the heights of the track segments, and the model displays the motion of the ball on the track…
Descriptors: Science Instruction, Physics, Computer Assisted Instruction, Graphs
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Hazzard, Edmund – Science Teacher, 2014
The written lab report--a concise and accurate accounting of an experiment, including a summary of the procedure, presentation of the results, reasoned analysis, and thoughtful explanation--is essential to the scientific endeavor and a key expression and product of inquiry. Generally, however, students and teachers dislike these reports, the…
Descriptors: Science Instruction, Laboratory Experiments, Pilot Projects, Computer Software
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Nagaoka, Shin-ichi; Teramae, Hiroyuki; Nagashima, Umpei – Journal of Chemical Education, 2013
At an early stage of learning quantum chemistry, undergraduate students usually encounter the concepts of the particle in a box, the harmonic oscillator, and then the particle on a sphere. Rotational levels of a diatomic molecule can be well approximated by the energy levels of the particle on a sphere. Wave functions for the particle in a…
Descriptors: Science Instruction, Chemistry, College Science, Molecular Structure
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Zucker, Andrew; Kay, Rachel; Staudt, Carolyn – Journal of Science Education and Technology, 2014
Graphs are commonly used in science, mathematics, and social sciences to convey important concepts; yet students at all ages demonstrate difficulties interpreting graphs. This paper reports on an experimental study of free, Web-based software called SmartGraphs that is specifically designed to help students overcome their misconceptions regarding…
Descriptors: Graphs, Computer Software, Teaching Methods, Visual Aids
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