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Showing 1 to 15 of 111 results Save | Export
Maria Cerrato-Alvarez; Samuel Frutos-Puerto; Eduardo Pinilla-Gil – Journal of Chemical Education, 2024
Calculating analytical uncertainties as a part of method validation is a relevant aspect of field and laboratory practices in instrumental analytical chemistry subjects, which usually require complex algorithms. This work describes the development and didactic use of an automatic and straightforward informatics tool, implemented in an Excel macro,…
Descriptors: Computation, Computer Software, Teaching Methods, Knowledge Level
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Phayphung, Wissarut; Rakkapao, Suttida; Prasitpong, Singha – Physics Education, 2022
The article introduces a low-cost Arduino sensor into the Young's modulus determination laboratory for physics university students. A stainless steel ruler is used as a cantilever beam. Its free end attached a mass is slightly bent and released to make it oscillate as a simple harmonic motion. The Arduino sensor detects the moving mass's frequency…
Descriptors: Laboratory Equipment, Science Laboratories, Physics, College Science
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Durkaya, Figen – Hungarian Educational Research Journal, 2023
In science class, students learn by making and living information, enabling them to make sense of knowledge effectively and permanently and to associate it with daily life. Applied science courses make learning more qualified. While science teaching is carried out in application areas such as laboratories, virtual laboratories are used with the…
Descriptors: Computer Simulation, Science Laboratories, Laboratory Training, Science Education
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Ishafit; Mundilarto; Surjono, H. D. – Physics Education, 2021
This paper describes the development of a light polarization experimental apparatus for a remote laboratory. The apparatus had been developed by controlling the analyzer rotation using a stepper motor controlled via the Arduino. Device control and data acquisition applications were developed with LabVIEW which provides remote control panel…
Descriptors: Science Instruction, Physics, Science Laboratories, Laboratory Equipment
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Bastos, Rodrigo Oliveira – Physics Education, 2020
Electroscopes have been widely used in physics education for several reasons, such as their simplicity, sensitivity and visual appeal, showing macroscopic phenomena related to the microscopic world. Although they are capable of highly accurate measurements, the procedures involved in these measurements encounter some obstacles when performed with…
Descriptors: Science Instruction, Laboratory Equipment, Computer Software, Measurement Techniques
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Kosenkov, Yana; Kosenkov, Dmitri – Journal of Chemical Education, 2021
A novel technology that employs computer vision (CV) to carry out an automatic titration experiment is presented. The experiment is designed to facilitate understanding of the basics of the CV technology and its application in chemistry among undergraduate students. The standard chemical procedure of titration has been chosen, since it is…
Descriptors: Undergraduate Students, Chemistry, Computer Uses in Education, Science Experiments
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Pebralia, Jesi; Amri, Iful; Rifa'i, Ahmad Imam – Physics Education, 2022
This study has proposed a simple method to show the convective heat transfer. The object in this study is an air conditioner (AC) as a simple case of convection. In addition, AC is also easy to find in the class because most classrooms in Indonesia installed AC. Usually, a visualization needs special software (i.e. MatLab or others) and good…
Descriptors: Science Instruction, Heat, Thermodynamics, Climate Control
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JonathanG. H. Stathakis; Jake A. Cravino; Ross Andrew Shalliker – Journal of Chemical Education, 2023
In today's global economy, the origin of the food we eat is becoming more and more difficult to identify. Verifying the authenticity of products to protect supply chains is a complicated problem that requires a multidisciplinary approach. Chemical authentication of foodstuffs often includes a mass spectrometer detector; however, they are costly…
Descriptors: Food, Chemistry, Science Instruction, Science Experiments
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Paul, Noel M.; Yoder, Ryan J.; Callam, Christopher S. – Journal of Chemical Education, 2019
Fluency in both the construction and interpretation of molecular structures is a critical learning objective in the second-year organic chemistry curriculum. With the introduction of PerkinElmer's ChemDraw structure drawing tool into undergraduate laboratory courses, students are challenged to develop fundamental molecular drawing skills using…
Descriptors: Organic Chemistry, Science Instruction, Computer Assisted Instruction, Computer Software
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Ladino, L. A.; Rondón, S. H. – Physics Education, 2019
In this work we construct a timer system consisting of both hardware and software to be used in introductory-level laboratory physics courses. The Parallax P8X32A propeller based-microcontroller hardware consist of a board that registers the times of events triggered when IR photogates are blocked and unblocked. The software allows the user to…
Descriptors: Introductory Courses, Physics, Science Instruction, Science Laboratories
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Junxi Zou; Xiaoyu Wang; Xuan Liu; Yuan Zheng; Wei Shao; Qing-Wei Zhang; Pingping Zhu; Lingling Li – Journal of Chemical Education, 2024
The crystalline sponge method allows for direct and precise molecular structure determination of liquid and gaseous targets and thus has been recognized as a revolutionary breakthrough in crystallography. To expose undergraduates to this cutting-edge technique, we have developed a comprehensive laboratory experiment with reaction conditions and…
Descriptors: Undergraduate Study, College Science, Laboratory Experiments, Molecular Structure
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Wong, Marinela; Quast, Guenter; Braig, Dominik – European Journal of Physics Education, 2020
This paper describes a number of active learning strategies based on implementing the Raspberry Pi as low-cost single-board computing device for carrying out physics laboratory activities. This Microcomputer-Based Laboratory (MBL) Project has been funded by the Baden-Württemberg Foundation and it encompasses the use of high-accuracy yet…
Descriptors: College Science, Undergraduate Study, Physics, Educational Technology
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Çoban, A.; Erol, M. – Physics Teacher, 2022
Ever increasing technological progress opens novel opportunities concerning educational activities, and the ability to use the technology effectively is one of the 21st century's most demanding skills. The Partnership Forum for 21st-Century Skills (P21) states that no organization can achieve satisfying results without using technology and…
Descriptors: STEM Education, Motion, Technology Uses in Education, Science Instruction
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Zvorykin, Ilya Yu; Katkova, Mariia R.; Maslennikova, Yulia V. – Physics Education, 2022
In this article, we propose a simple and accessible model of a magnetic levitator fitted with a Hall sensor. This model also allows to determine the magnitude of the magnetic field within the levitator working volume. Students can also compare the experimental magnetic field values to reference values in magnetism textbooks. This Arduino-based…
Descriptors: Magnets, Science Instruction, Science Experiments, Laboratory Equipment
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Jingjing Qiu; Anneke Moeller; Janet Zhen; Hansen Yang; Lily Din; Nicole Adelstein – Journal of Chemical Education, 2023
An integrated inorganic chemistry laboratory experience focusing on heterogeneous electrocatalysis with nickel (Ni)- and cobalt (Co)-based electrocatalysts is designed for upper-division, major-level chemistry students. In this laboratory, students will be guided through the fabrication of an indium tin oxide (ITO)-coated glass working electrode,…
Descriptors: Programming Languages, Computer Software, Computer Simulation, Educational Technology
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