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Nanette M. Wachter; Evan H. Kreth; Ronald P. D'Amelia – Journal of Chemical Education, 2024
Keto-enol tautomerization is paramount to understanding the mechanisms involved in many organic reactions and biochemical transformations. Isomerization of an enol to a carbonyl compound is typically introduced during the discussion of the acid-catalyzed electrophilic addition of water to alkynes. The tautomerization of carbonyl compounds to enol…
Descriptors: Science Instruction, Chemistry, Scientific Concepts, Concept Formation
Morris, Steven L. – Physics Teacher, 2023
The relativistic addition of velocities is usually introduced early in the study of Einstein's special theory of relativity. The equations are simple enough, but randomly chosen velocities lead to unwieldy calculations that can dishearten the student. This paper presents tables of velocity components in two dimensions, composed of five or fewer…
Descriptors: Science Instruction, Scientific Concepts, Concept Formation, Physics
Hernandez, Eder; Campos, Esmeralda; Barniol, Pablo; Zavala, Genaro – Physical Review Physics Education Research, 2023
Electricity and magnetism are closely related phenomena with a well-known symmetry found in Maxwell equations. An essential part of any electricity and magnetism course includes the analysis of different field source distributions through Gauss's and Ampere's laws to compute and interpret different physical quantities, such as electric flux,…
Descriptors: Energy, Magnets, Science Instruction, Scientific Concepts
Joaqui´n Gonza´lez; Eduardo Laborda; A´ngela Molina – Journal of Chemical Education, 2023
Theoretical and practical foundations of basic electrochemical concepts of heterogeneous charge transfer reactions that underline electrochemical processes are presented for their detailed study by undergraduate and postgraduate students. Several simple methods for calculating key variables, such as the half-wave potential, limiting current, and…
Descriptors: Chemistry, College Science, Science Instruction, Computer Simulation
Dongju Zhang – Journal of Chemical Education, 2023
This review describes a computational chemistry exercise aimed at enhancing the understanding of upper-division undergraduates in organic chemistry and physical chemistry regarding the structures and aromaticities of cyclobutadiene and cyclooctatetraene. This exercise exposes students to chemical problems that require computational methods as a…
Descriptors: Chemistry, Science Instruction, Undergraduate Students, Organic Chemistry
Rusydi, Febdian; Madinah, Roichatul; Puspitasari, Ira; Mark-Lee, Wun F.; Ahmad, Azizan; Rusydi, Andrivo – Biochemistry and Molecular Biology Education, 2021
The fundamental mechanism of biochemistry lies on the reaction kinetics, which is determined by the reaction pathways. Interestingly, the reaction pathway is a challenging concept for undergraduate students. Experimentally, it is difficult to observe, and theoretically, it requires some degree of physics knowledge, namely statistical and quantum…
Descriptors: Biochemistry, Science Instruction, Kinetics, Scientific Concepts
Aydan Aytekin; Mustafa Sami Topçu – Education and Information Technologies, 2024
Circulatory system is a challenging subject for middle school students to learn and understand conceptual relationships. To address these challenges, this study developed plugged (computational thinking activities using computer) and unplugged (computational thinking activities without using computer) teaching modules that integrated computational…
Descriptors: Computation, Thinking Skills, Human Body, Middle School Students
Tham, Claire; Yeo, Robin; Natarajan, Visshal; Zhang, Tianqin; Chen, Jer-Ming; Krishnaswamy, Lakshminarasimhan; Tan, Da Yang – Physics Teacher, 2022
In this article, we demonstrate the use of a simple pendulum to explore the concepts of kinematics and dynamics. A simple homemade pendulum and a phone-based accelerometer are used to determine, at various points in time, the acceleration of a moving train. The dynamical and kinematics data from the homemade pendulum and the accelerator can then…
Descriptors: Laboratory Equipment, Science Instruction, Computation, Secondary School Science
Khan, F. A. – Physics Education, 2022
A number of useful and interesting exercises regarding nucleus and nuclear fission are performed to make these concepts more understandable to high school or even college students.
Descriptors: Science Instruction, Secondary School Science, High School Students, College Science
Christensen, Dana; Lombardi, Doug – International Journal of Science Education, 2023
The purpose of this study was to quantitatively assess the integration of computational thinking with learning about biological evolution. Specifically, we investigated the effectiveness of a framework from a recently developed learning progression that emphasises the complex nature of teaching both computational thinking and biological evolution.…
Descriptors: Computation, Thinking Skills, Biology, Evolution
Miguel Reina; Itzel Guerrero-Ri´os; Antonio Reina – Journal of Chemical Education, 2022
We describe a remote pedagogical approach based on chemical thinking to study metal-carbonyl complexes by analyzing simulated IR spectra. The proposed approach, implemented due to the COVID-19 pandemic, can be employed in classrooms that have very limited laboratory equipment for evaluating toxic metal-carbonyl compounds, as well as for…
Descriptors: Chemistry, Distance Education, Scientific Concepts, Concept Formation
Dong, Li-Kun; Li, Zi-Hao; Zhang, Shu-Yu – Journal of Chemical Education, 2021
Student-centered teaching has become increasingly common in higher education as researchers have demonstrated its efficacy in recent decades. Herein, we hope to establish an efficient problem-based learning (PBL) method, which can help upper-division students learn organic chemistry content by combining teaching materials, experimental literature,…
Descriptors: Student Centered Learning, Science Instruction, College Science, Problem Based Learning
Tu, Tao; Li, Chuan-Feng; Xu, Jin-Shi; Guo, Guang-Can – Physical Review Physics Education Research, 2021
In quantum mechanics courses, students are often asked to solve bound and scattering state problems. The use of an ordinary differential equation is a standard technique to solve these questions. Here, we investigated students' problem-solving processes for two typical problems of a single particle in one spatial dimension: a bound state problem…
Descriptors: Quantum Mechanics, Science Instruction, Problem Solving, Barriers
Redish, Edward F. – Physics Teacher, 2021
Learning to use math in science is a non-trivial task. It involves many different skills (not usually taught in a math class) that help blend physical knowledge with mathematical symbology. One of these is the idea of quantification--that physical quantities can be assigned specific numbers (with a unit). A second is to develop an intuition for…
Descriptors: Science Instruction, Physics, Mathematical Concepts, Skill Development
Halpern, Arthur M.; Marzzacco, Charles J. – Journal of Chemical Education, 2018
A spreadsheet-based project is presented that is designed to enhance and expand student understanding of phase transition properties of pure water and ideal and nonideal (electrolyte) aqueous solutions. Using fundamental principles of classical and statistical thermodynamics, students calculate the melting and boiling points, the enthalpies and…
Descriptors: Chemistry, Thermodynamics, Science Instruction, Spreadsheets