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Showing 1 to 15 of 210 results Save | Export
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Yuting Wu; Yuxin Chen; Yi Cheng – Journal of Chemical Education, 2024
Microfluidics has attracted widespread interest in the fields of chemicals, materials, pharmaceuticals, biology, etc. Integrating low-cost automation based on open-source hardware/software to improve lab security and reduce time consumption is demanded in microchemical processing. In this work, we developed a "do it yourself"…
Descriptors: Chemistry, Mechanics (Physics), Scientific Concepts, Hands on Science
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Haskel-Ittah, Michal – Journal of Research in Science Teaching, 2023
Many studies have characterized students' difficulties in understanding and reasoning about scientific mechanisms. Some of those studies have drawn implications on teaching mechanisms and how to guide students while reasoning mechanistically. In this theoretical article, I claim that one component that has not garnered much attention in the…
Descriptors: Abstract Reasoning, Science Process Skills, Scientific Concepts, Science Instruction
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Milsom, John A. – Physics Teacher, 2021
The classic brachistrochrone problem is standard material in intermediate mechanics. Many variations exist including some accessible to introductory students. While a quantitative solution isn't feasible in introductory classes, qualitative discussions can be very beneficial since kinematics, Newton's laws, energy conservation, and motion along…
Descriptors: Mechanics (Physics), Introductory Courses, College Students, Motion
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Alberto A. Ferna´ndez; Margarita Lo´pez-Torres; Jesu´s J. Ferna´ndez; Digna Va´zquez-Garci´a – Journal of Chemical Education, 2023
Students were tasked with the creation of videos of ordinary reactions to promote significant learning of complex concepts underlying chemical transformations. Interactive infographics were used to deliver instructions. Afterward, students planned the experimental setup for the reaction execution and video recording using their mobile phones. The…
Descriptors: Chemistry, Video Technology, Technology Uses in Education, Scientific Concepts
Tyler A. Shaffer; Carlos U. Herrada; Avery M. Walker; Laura D. Casto-Boggess; Lisa A. Holland; Timothy R. Johnson; Megan E. Jones; Yousef S. Elshamy – Journal of Chemical Education, 2023
Electrophoresis is integral to analytical and biochemistry experiences in undergraduate education; however, fundamental principles of the method are often taught in upper-level laboratories through hands-on experiences. A laboratory activity is reported that teaches the concepts of electrophoretic mobility and electroosmotic flow. A single…
Descriptors: Chemistry, Science Instruction, Teaching Methods, Cost Effectiveness
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Kallepalli, Samaya; Johnson, Lydia; Mattson, Bruce – Journal of Chemical Education, 2021
Thomas Graham discovered the law that bears his name while studying gas diffusion into air and other gases. He also found that the same relationship held with gas effusion, the movement of gases through a pinhole into a vacuum. Modern understanding of diffusion and effusion is based on kinetic-molecular theory, and it is generally accepted that…
Descriptors: Chemistry, Scientific Concepts, Scientific Principles, Kinetics
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Ben-Abu, Yuval; Wolfson, Ira; Yizhaq, Hezi – Physics Education, 2018
We suggest an activity for measuring the speed of a bicycle going in circular motion by measuring the bicycle's lean angle. In this activity students will be able to feel the strength that is being activated on their bodies while they are moving in circular motion. They will also understand that it is impossible to ride in a circle without the…
Descriptors: Motion, Physics, Scientific Concepts, Science Instruction
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Park, Wonyong; Song, Jinwoong – Science & Education, 2018
There has been growing criticism over the aims, methods, and contents of practical work in school science, particularly concerning their tendency to oversimplify the scientific practice with focus on the hypothesis-testing function of experiments. In this article, we offer a reading of Johann Wolfgang von Goethe's scientific writings--particularly…
Descriptors: Science Experiments, Scientific Methodology, Experimenter Characteristics, Color
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Rocha Fernandes, Geraldo W.; Rodrigues, António M.; Ferreira, Carlos Alberto – Research in Science Education, 2018
This study investigated some of the aspects that characterise the understanding of the Nature of Science (NOS) and "Nature of Technology" (NOT) of 20 children and youths from different countries who perform scientific and technological activities in a non-formal teaching and learning setting. Data were collected using a questionnaire and…
Descriptors: Scientific Principles, Children, Youth, Technology Education
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Mesci, Günkut; Erdas-Kartal, Eda – Educational Policy Analysis and Strategic Research, 2021
The aim of the study is to improve students' nature of science understandings while integrating nature of science aspects into appropriate science-technology-engineering-mathematics (STEM) activities. In this study, four STEM-based contextualized nature of science activities are developed during the 4 weeks study. The sample of this study consists…
Descriptors: STEM Education, Scientific Principles, Scientific Literacy, Scientific Concepts
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Brízová, Leontýna; Gerbec, Kelsey; Šauer, Jirí; Šlégr, Jan – Physics Education, 2018
In this paper we present a critical analysis of some of the arguments of flat Earth theory, and we also try to show that this analysis and refutation of these false claims can be a useful exercise in critical thinking that is so much needed today. This article can also make it easier for teachers who are exposed to some of the arguments of flat…
Descriptors: Critical Thinking, Earth Science, Science Activities, Scientific Concepts
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Lutz, Joe; Sylvester, Kevin; Oliver, Keith; Herrington, Deborah – Physics Teacher, 2017
"For every action there is an equal and opposite reaction." "Except when a bug hits your car window, the car must exert more force on the bug because Newton's laws only apply in the physics classroom, right?" Students in our classrooms were able to pick out definitions as well as examples of Newton's three laws; they could…
Descriptors: Scientific Concepts, Scientific Principles, Physics, Concept Teaching
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Jiménez-Liso, Maria Rut; López-Banet, Luisa; Dillon, Justin – Science & Education, 2020
We propose explicit and implicit approaches for the teaching of acid-base chemistry based on research into the history and nature of science (NoS). To support these instructional proposals, we identify four rationales for students to understand acid-base processes: daily life, socio-scientific, curriculum, and history of science. The extensive…
Descriptors: Chemistry, Science Instruction, Teaching Methods, Scientific Concepts
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Kaltcheva, N. T.; Pritzl, B. J. – Physics Education, 2018
Stars are point-source emitters that are the closest to the definition of a blackbody in comparison to all other similar sources of radiation found in nature. Existing libraries on stellar spectra are thus a valuable resource that can be used to introduce the laws of thermal radiation in a classroom setting. In this article we briefly describe…
Descriptors: Radiation, Scientific Concepts, Scientific Principles, Spectroscopy
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Robertson, Bill – Science and Children, 2016
This column contains exercises to challenge content knowledge. This month's issue discusses ways to remove CO[subscript 2] from the atmosphere.
Descriptors: Earth Science, Pollution, Climate, Scientific Concepts
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