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Leung, Allen – International Journal of Science and Mathematics Education, 2019
How to pedagogically integrate the four STEM (science, technology, engineering, and mathematics) disciplines is a main discussion issue in STEM education. Inquiry-based learning, mathematical modeling, and tool-based pedagogy could go hand in hand to provide a possible integrated STEM pedagogical framework for mathematics and science. This…
Descriptors: STEM Education, Inquiry, Teaching Methods, Mathematical Models
Nyasulu, Frazier; Barlag, Rebecca; McMills, Lauren; Arthasery, Phyllis – Journal of Chemical Education, 2019
In this laboratory experiment, students apply a mass-based approach to determine the Henry's law constant for CO[subscript 2] using a small bottle of a diet carbonated beverage. The calculations are challenging; therefore, team-based learning is encouraged. Our students reported values of 0.033 ± 0.003 mol/(L[middle dot]atm) at room temperature…
Descriptors: Chemistry, Laboratory Experiments, Science Experiments, Scientific Concepts
Cheng, Xinpeng; Chen, Jonna; Gainer, Morgan J.; Zhang, Liming – Journal of Chemical Education, 2019
Gold is an increasingly prominent transition metal in organic synthesis. The air-stable, water-insensitive cationic gold(I) catalysts enable varieties of synthetic transformations with a simple reaction setup. However, this increased importance has not coincided with an increase in the application of gold in second-year organic chemistry courses.…
Descriptors: Organic Chemistry, Synthesis, College Science, Science Instruction
Goncalves, Alem-Mar B.; Freitas, Welica P. S.; Reis, Diogo D.; Cena, Cicero R.; Alves, Diego C. B.; Bozano, Doroteia F. – Physics Teacher, 2019
The popularization of microcontrollers like Arduino bring new possibilities of experiments for physics laboratories. For instance, load cell sensors have been used in experiments on impulse and buoyancy. Here we propose an experimental apparatus using Arduino connected to a load cell to measure surface tension by the du Noüy method (or ring…
Descriptors: Physics, Science Instruction, Science Laboratories, Science Experiments
Pfab, Evan; Filiciotto, Layla; Luque, Rafael – Journal of Chemical Education, 2019
This laboratory experiment introduces students to an important reaction in biomass valorization and allows them to gain a practical understanding of green chemistry. Acid-catalyzed dehydration reactions of fructose to 5-hydroxymethylfurfural and thus humins were performed both with and without aqueous solvent, along with two different catalysts…
Descriptors: Chemistry, Laboratory Experiments, Science Experiments, Systems Approach
Bannin, Timothy J.; Datta, Partha P.; Kiesewetter, Elizabeth T.; Kiesewetter, Matthew K. – Journal of Chemical Education, 2019
In this experiment, students are asked to conduct a catalytic cross-metathesis experiment and compare this reaction to the Wittig reaction within the confines of green chemistry. Students synthesize stilbene from styrene using Grubbs second-generation catalyst. Products can be minimally characterized by IR spectroscopy and melting point, but using…
Descriptors: Science Instruction, Chemistry, Science Experiments, College Science
Wagoner, Kasey; Flanagan, Daniel – Physics Teacher, 2019
This paper describes a new lab experiment where students explore the magnetic force on a permanent magnet placed inside a short solenoid. This lab is the fourth experiment performed in the second semester of the calculus-based introductory physics course at Washington University in St. Louis. The experiment is performed using a speaker (which…
Descriptors: Laboratory Experiments, Science Experiments, Magnets, Physics
Wadhwa, Ajay – Physics Education, 2019
We investigate the motion of fidget spinners of different configurations with the help of simple devices. Physical quantities associated with the fidget spinner motion like angular speed, moment of inertia and kinetic energy are determined and compared in different configurations. A configurable modification of the fidget spinners is done to…
Descriptors: Motion, Energy, Kinetics, Physics
Wanda M. Valsecchi; Jose M. Delfino; Javier Santos; Santiago E. Faraj – Chemistry Education Research and Practice, 2024
When teaching STEM courses, it is important to introduce state-of-the-art techniques. Students need to learn how to conduct experiments, analyse data and choose the most effective approaches to address meaningful situations. Here we present the assessment of the implementation of a structured inquiry-based activity aimed at teaching students about…
Descriptors: Problem Based Learning, Learning Activities, Inquiry, Skill Development
Argyris Nipyrakis; Dimitris Stavrou; Lucy Avraamidou – Research in Science & Technological Education, 2024
Background: Learning communities is a collaborative framework that can assist the adoption of the educational innovation of digital technologies, through reflective discourse and student-centred pedagogy. Purpose: Framed within this framework, the study aimed to examine--a) the nature of elementary preservice teachers' interactions, collaboration,…
Descriptors: Educational Technology, Technology Uses in Education, Science Experiments, Science Instruction
Hart, Nathan T.; Lane, Weldon C.; de la Garza, Linda – Journal of Chemical Education, 2020
An engaging, simple, and cost-effective laboratory experiment has been implemented at our institution to teach undergraduate chemistry students about cyclic voltammetry and electrochemistry in general. This experiment involves the application of cyclic voltammetry to analyze a sample of acetaminophen (APAP) with the objective of determining the…
Descriptors: Science Instruction, Science Laboratories, Science Experiments, Laboratory Experiments
Akbar, Fathan; Abdullah, Mikrajuddin – Physics Education, 2020
A lot of new science has been inspired by common phenomena and even by old traditions practiced in our daily lives. Eventually, after deep exploration, this may engender unexpected new technologies. In this paper, inspired by the wearing of a traditional cloth called a "sarong," by the community in South East Asian countries and others,…
Descriptors: Clothing, Human Body, Physics, Science Instruction
Shan, Shiliang; Shore, Jennifer A.; Spekkens, Kristine – Physics Teacher, 2020
So many fundamental physics problems involve rigid body rotation that mastery of the subject is essential to many science and engineering undergraduate degrees. Rigid body rotation is typically taught in introductory mechanics courses and while students are generally comfortable with the corresponding kinematic equations, torques and moments of…
Descriptors: Physics, Science Instruction, Teaching Methods, Mastery Learning
Santosa, I. E. – Physics Education, 2020
A simple apparatus consisting of a plastic syringe coupled with a U-tube has been constructed. This setup is filled with water to trap air in one arm of the U-tube. A change in the volume of the enclosed air causes a change in its pressure that is indicated by the difference in the water levels. Boyle's law is shown by a linear relation between…
Descriptors: Science Experiments, Physics, Science Equipment, Laboratory Equipment
Knurr, Benjamin J.; Hauri, James F. – Journal of Chemical Education, 2020
For the past century, humans have been increasingly dependent on plastics, but have not developed adequate disposal practices. In this lab, students are asked whether burning plastic for energy seems like a reasonable disposal technique. To answer the chemical aspects of this question, students use bomb calorimetry to quantify the combustion…
Descriptors: Plastics, Science Instruction, Science Laboratories, Chemistry