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Michael A. Rother – International Journal of Mathematical Education in Science and Technology, 2024
A straightforward experimental set-up, requiring a two-liter bottle, a ruler and a stopwatch, is used to provide data appropriate for modelling with Torricelli's Law in the simplest case, and a more sophisticated differential equation when losses are taken into account and a pipe extension is considered. With only an exit hole included in the…
Descriptors: Science Experiments, Science Education, Scientific Principles, Equations (Mathematics)
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Hull, Michael M.; Nakayama, Shizuka; Tosa, Sachiko – Physics Teacher, 2023
Newton's laws are a ubiquitous topic in introductory physics instruction. One common problem involves asking what will happen if you stick your finger into a cup of water sitting on a scale. A way to solve the problem would be to first recognize that the water exerts a buoyant force upward on the finger, which students can recognize as being the…
Descriptors: Science Instruction, Physics, Scientific Principles, Concept Formation
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Hughes, Stephen; Croxford, Tim – Physics Education, 2022
The first of the two postulates of relativity states that the laws of physics are the same in all inertial reference frames. Often it is assumed that the postulates are mainly concerned with objects moving at a significant fraction of the speed of light. However, the postulates are applicable at all speeds from a snail to a photon. To practically…
Descriptors: Physics, Science Instruction, Teaching Methods, Telecommunications
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González-Flores, Diego; Fernández, Gabriela; Urcuyo, Roberto – Journal of Chemical Education, 2021
Electrochemical and spectroelectrochemical techniques are very important for characterizing energy materials. In the search for new sources of renewable energy, water splitting for hydrogen production and CO[subscript 2] reduction is attracting significant attention. These applications require efficient and durable catalysts and a detailed…
Descriptors: Chemistry, Science Instruction, College Science, Spectroscopy
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Sarah Ritter; Liza Abraham – Journal of Chemical Education, 2022
This project introduces green chemistry to the undergraduate laboratory through two pedagogical techniques: undergraduate research and guided-inquiry. Through these two learning activities, an efficient synthetic procedure for the PRINS cyclization of citronellal into isopulegol, focused on minimizing negative environmental impact, was developed.…
Descriptors: Organic Chemistry, Science Laboratories, Undergraduate Students, Student Research
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Ferrarelli, Paola; Iocchi, Luca – Technology, Knowledge and Learning, 2021
Novel technology has been applied to improve students' learning abilities in different disciplines. The research in this field is still finding suitable methodologies, tools, and evaluation mechanisms to devise learning frameworks with high impact on students' performance. This article describes an instructional method to perform Newtonian physics…
Descriptors: Physics, Scientific Concepts, Programming, Robotics
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Hughes, Stephen – Physics Education, 2022
Archimedes' principle is one of the foundation subjects in physics. Normally the principle is exemplified by reference to floating boats. However, Archimedes' principle also applies to objects embedded in waterlogged ground, which can lead to the surprising result of an object weighing several tons being lifted. A practical example is presented of…
Descriptors: Physics, Science Instruction, Teaching Methods, Scientific Principles
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Vázquez-Bernal, Bartolomé; Jiménez-Pérez, Roque – Science & Education, 2023
The objective of this work was the theoretical modeling of a construct based on teaching practice about the perception that pupils have of difficulties in problem solving (PS) in experimental sciences, specifically physics, to predict pupil performance in PS. The research was carried out with an incidental sample of second year of secondary…
Descriptors: Teaching Methods, Models, Teacher Attitudes, Science Instruction
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Temel Aslan, Safiye – Journal of Inquiry Based Activities, 2022
This study aims to draw attention to data literacy, which is considered an important skill of the 21st century, and to provide an example activity that would incorporate it into chemistry education. The activity was designed using real data of Robert Boyle's experiment. The activity aims to examine Boyle's data in such a way to support data…
Descriptors: Foreign Countries, Data, Information Literacy, Chemistry
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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
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Stephens, Jeff; Bostjancic, Melissa; Koskulitz, Tara – Physics Teacher, 2019
The use of video analysis for the study of motion and forces is well established in the worlds of physics and biomechanics. The issue of parallax error, sometimes referred to as perspective error or scaling error, when videotaping a moving object is known, and the experimenter is often counseled to be "far away." However, "far…
Descriptors: Physics, Motion, Scientific Principles, Scientific Concepts
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Mihret, Zemenu; Alemu, Mekbib; Assefa, Shimeles – Pedagogical Research, 2023
The objective of this study was to examine the effectiveness of blended physics laboratory experimentation on pre-service physics teachers' (PSPTs') understanding of the nature of science (NOS) during an electricity and magnetism laboratory course. The study used a non-equivalent comparison group using a pre-test-post-test quasi-experimental…
Descriptors: Science Instruction, Physics, Science Laboratories, Laboratory Experiments
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Márió Tibor Nagy; Erzsébet Korom – Journal of Baltic Science Education, 2023
Nowadays, the assessment of student performance has become increasingly technology-based, a trend that can also be observed in the evaluation of scientific reasoning, with more and more of the formerly paper-based assessment tools moving into the digital space. The study aimed to examine the reliability and validity of the paper-based and…
Descriptors: Science Process Skills, Elementary School Students, Grade 4, Science Tests
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Zhu, Lilin; Xiang, Gang – Physics Education, 2022
We report on the study of student difficulties regarding a heat engine in the context of a Stirling cycle by the method of measurement. An in-class test about a Stirling engine with a regenerator was taken by three classes, and the students were asked to perform one of the most basic activities--calculate the efficiency of the heat engine. Our…
Descriptors: Heat, Physics, Science Instruction, Engines
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Ivanov, Dragia; Nikolov, Stefan – Physics Education, 2019
In this article we consider the well-known demonstration of friction by two interleaved books. We consider a factor that has not been part of the popular explanation--atmospheric pressure. We provide three control experiments to demonstrate the role of atmospheric pressure in the two-book experiment and an additional simple demonstration of the…
Descriptors: Science Instruction, Scientific Concepts, Teaching Methods, Books
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