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Trinh, Emily H.; Wolff, Anna M.; Naumiec, Gregory R. – Journal of Chemical Education, 2021
Nuclear magnetic resonance (NMR) spectroscopy is the tool of choice for organic chemists to determine the molecular structure of organic molecules and, as a result, is a fundamental topic in the organic chemistry curriculum. A novel laboratory module has been developed to expand the scope of NMR spectroscopy beyond structure validation at the…
Descriptors: Undergraduate Students, Teaching Methods, Spectroscopy, Organic Chemistry
Fontes, Daniel T. M.; Rodrigues, André Machado – Physics Teacher, 2021
Electromagnetism is a complex topic for students at different educational levels. Perhaps one of the reasons for this is that students are unable to visualize the forces, fields, currents, and other electromagnetism key concepts that are related to the topic. Most teachers address this difficulty by including the use of some technological…
Descriptors: Scientific Principles, Magnets, Science Experiments, Scientific Concepts
Pili, Unofre; Violanda, Renante – Physics Teacher, 2019
In introductory physics laboratories, spring constants are traditionally measured using the static method. The dynamic method, via vertical spring-mass oscillator, that uses a stopwatch in order to measure the period of oscillations is also commonly employed. However, this time-measuring technique is prone to human errors and in this paper we…
Descriptors: Telecommunications, Handheld Devices, Physics, Scientific Concepts
DeMayo, Marilena M.; Pokorski, Izabella; Song, Yun J. C.; Thapa, Rinku; Patel, Shrujna; Ambarchi, Zahava; Soligo, Domenic; Sadeli, Indra; Thomas, Emma E.; Hickie, Ian B.; Guastella, Adam J. – Journal of Autism and Developmental Disorders, 2022
There is an increasing interest in using magnetic resonance imaging (MRI) as a tool for precision medicine in autism spectrum disorder (ASD). This study investigated the feasibility of MRI scanning in a large comprehensive, inclusive and test heavy clinical trial for children (aged 3-12 years) with ASD, without functioning constraints for…
Descriptors: Diagnostic Tests, Brain, Medicine, Autism
Liang, Xiao; Elsaid, Nahla M. H.; Jiang, Li; Roys, Steve; Puche, Adam C.; Gullapalli, Rao P.; Stone, Maureen; Prince, Jerry L.; Zhuo, Jiachen – Journal of Speech, Language, and Hearing Research, 2022
Purpose: The goal of this study is to validate the muscle architecture derived from both ex vivo and in vivo diffusion-weighted magnetic resonance imaging (dMRI) of the human tongue with histology of an ex vivo tongue. Method: dMRI was acquired with a 200-direction high angular resolution diffusion imaging (HARDI) diffusion scheme for both a…
Descriptors: Human Body, Motor Reactions, Diagnostic Tests, Visual Aids
Monteiro, Martin; Stari, Cecilia; Cabeza, Cecilia; Marti, Arturo C. – Physics Teacher, 2017
The spatial dependence of magnetic fields in simple configurations is a common topic in introductory electromagnetism lessons, both in high school and in university courses. In typical experiments, magnetic fields and distances are obtained taking point-by-point values using a Hall sensor and a ruler, respectively. Here, we show how to take…
Descriptors: Physics, Science Instruction, Introductory Courses, Science Experiments
Han, Cheon-woo – Mind, Brain, and Education, 2021
Providing a choice is desirable and helpful to learning motivation and task processing. This study explored how choice and achievement goals affect motivation and reward awareness using the functional magnetic resonance imaging (fMRI) technique. Twenty-four college students participated in this study, in which a 2 × 2 factorial design (choice/no…
Descriptors: Diagnostic Tests, Brain Hemisphere Functions, Rewards, Cognitive Processes
Cooper, Tyler; Trafford, Russell; Attaluri, Anilchandra; Vernengo, Andrea Jennifer – Chemical Engineering Education, 2018
This paper describes an undergraduate laboratory experiment where students study the heating behavior of magnetic nanoparticles in the presence of alternating magnetic fields. Average score on the post-test was 45±12% for students who completed the lab online, versus 43±11% for those doing the activity hands-on. Post-test scores were significantly…
Descriptors: Science Laboratories, Undergraduate Students, Heat, Magnets
Berger, Roland; Lensing, Philipp – Physics Teacher, 2023
In physics education, the topic of electromagnetic induction is an important but also challenging topic for many students. The early introduction of formulae, e.g., Faraday's law of induction, seems to hinder rather than to foster the understanding of the topic's underlying principles. In this paper, we present the basic idea for a teaching…
Descriptors: Teaching Methods, Magnets, Physics, Computer Simulation
Yukihiko Shirayama; Kazuki Matsumoto; Fumio Osone; Akira Hara; Siqing Guan; Sayo Hamatani; Katsumasa Muneoka; Koichi Sato; Akihiro Okada; Tokuzou Yokokawa – Journal of Autism and Developmental Disorders, 2024
Proton magnetic resonance spectroscopy ([superscript 1]H-MRS) has shown inconsistent alterations in brain metabolites of adults with autism spectrum disorder (ASD). We investigated brain metabolites in the medial prefrontal cortex and amygdala of 24 drug-naive adults with ASD and no intellectual disability and 24 non-ASD control subjects, using…
Descriptors: Brain, Brain Hemisphere Functions, Adults, Autism Spectrum Disorders
Sun, Xiaohua; Liu, Haochen; Liang, Peng – IEEE Transactions on Education, 2023
Contribution: This research designs an experimental education project of an automatic material magnetism properties measurement system. It explores how the do-it-yourself (DIY), hands-on establishment, and hardware-software integration experiment system could be leveraged to enhance the understanding of the electromagnetism theory and…
Descriptors: Magnets, Hands on Science, Technology Uses in Education, Automation
Divya, Damodaran; Raj, Kovummal Govind – Journal of Chemical Education, 2019
A practical approach for synthesizing functional material from waste material is described. The work was carried out by chemistry undergraduate students as a group project. The concepts used mainly in inorganic quantitative approaches were applied to transform an iron-containing material to magnetic iron oxide nanoparticles. The magnetic…
Descriptors: Chemistry, College Science, Wastes, Undergraduate Students
Tillotson, Wilson Andrew; McCaskey, Timothy; Nasser, Luis – Physics Teacher, 2017
We have developed a laboratory exercise designed to help students translate between different field representations. It starts with students qualitatively mapping field lines for various bar magnet configurations and continues with a Hall probe experiment in which students execute a series of scaffolded tasks, culminating in the prediction and…
Descriptors: Physics, Science Instruction, Teaching Methods, Science Experiments
Pirbhai, M. – Physics Education, 2020
Measuring the "e/m" ratio is a classic experiment in the physics curriculum. We show that smartphones can reliably measure the magnetic field strengths involved. Moreover, phone cameras and the image-processing software Tracker can make determining the charge-to-mass ratio of the electron more accurate.
Descriptors: Science Instruction, Science Experiments, Telecommunications, Handheld Devices
Fatmaryanti, Siska Desy; Suparmi; Sarwanto; Ashadi; Kurniawan, Heru – Asia-Pacific Forum on Science Learning and Teaching, 2018
The magnetic force is one of the concepts in physics that need good mathematical modeling and representation ability to understand. This article presents new learning model to help the student understand this concept with various representation, knowing by doing, and accommodate their mathematics modeling ability. GIMuR model has five phases,…
Descriptors: Magnets, Physics, Scientific Concepts, Concept Formation