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Direct linkWilliamson, J. Charles – Journal of Chemical Education, 2021
The lever rule applies to any two-component system existing in a state of two-phase equilibrium. Here, several classroom demonstrations are described to help students understand liquid--liquid coexistence and the lever rule using a set of isobutyric acid + water + dye samples ranging in composition from water + dye to isobutyric acid + dye. The…
Descriptors: Teaching Methods, Chemistry, Science Instruction, Visualization
Yan Wang; Peng He; Jinling Geng; Zhiwei Zhu – Journal of Chemical Education, 2025
This paper presents an innovative teaching approach that integrates photoelectric technology with analytical chemistry instruction through inquiry-based learning (IBL), using cerium as a selected analyte. With the advancement of science and technology, a strong foundation of basic knowledge and methodologies is crucial in analytical chemistry…
Descriptors: Instructional Innovation, Chemistry, Science Instruction, Active Learning
Sattar, Simeen – Journal of Chemical Education, 2019
Pigments, dyes, and transition-metal compounds are made in courses across the undergraduate chemistry curriculum, but student characterization of these compounds' most striking features, their colors, seldom goes beyond verbal descriptions. Affordable, hand-held, fiber-optic reflectance spectrophotometers make it possible to advance students'…
Descriptors: Chemistry, Science Instruction, Undergraduate Students, Color
Kater?ina Trc?kova´; Hana Tkac?i´kova´; Roman Mars?a´lek – Journal of Chemical Education, 2023
The purpose of this article is to describe the possibilities of using worksheets in the teaching of lipids and proteins. The worksheet includes a concept map, suggestions for three safe experiments that can be performed with available household chemicals, and observation results. The worksheets were implemented into action research in two classes…
Descriptors: Laboratory Experiments, Laboratory Safety, Worksheets, Science Instruction
Danielle N. Maxwell; Jeffrey L. Spencer; Ethan A. Teich; Madeline Cooke; Braeden Fromwiller; Nathan Peterson; Linda Nicholas-Figueroa; Ginger V. Shultz; Kerri A. Pratt – Journal of Chemical Education, 2023
Reading and understanding scientific literature is an essential skill for any scientist to learn. While students' scientific literacy can be improved by reading research articles, an article's technical language and structure can hinder students' understanding of the scientific material. Furthermore, many students struggle with interpreting graphs…
Descriptors: Teaching Methods, Scientific Literacy, Science Instruction, Reading Comprehension
Hunter, Rebecca A. – Journal of Chemical Education, 2021
An important objective of any analytical chemistry course is for students to generate and interpret data from the analysis of complex, real-world samples in order to assess the effectiveness of the analysis method, including the calibration. In this laboratory exercise, students directly compare calibration methods (external standards and standard…
Descriptors: Chemistry, Science Instruction, Food, Energy
Download full textCharlotte A. Dodson; Stephen E. Flower; Mark Thomas – Journal of Chemical Education, 2023
Industrial drug discovery teams encompass scientists from multiple specialties and require participants to communicate effectively across disciplinary boundaries. In this paper, we present an undergraduate or graduate classroom simulation of this environment. Over a series of five workshops, student teams of mixed scientific backgrounds perform…
Descriptors: Drug Therapy, Pharmacy, Teamwork, Interdisciplinary Approach
Campbell, Craig D.; Smallwood, Zoe M.; Stewart, Malcolm I. – Journal of Chemical Education, 2020
Data-handling, processing, and analysis skills are an integral part of a chemist's skill set and, more generally, are highly sought by employers. We report a self-directed workshop to develop and advance these key skills using the popular spreadsheet program Microsoft Excel. Making use of its accessible user interface, various contextualized…
Descriptors: Chemistry, Science Instruction, Spreadsheets, Teaching Methods
Grooms, Jonathon – Journal of Chemical Education, 2020
This study focuses on how the quality of students' arguments and their conceptions of data and evidence change as a result of experiencing two types of laboratory courses, one employing a scripted inquiry approach and the other employing argument-driven inquiry. The analysis explores the connections between students' conceptions of data and…
Descriptors: Science Instruction, College Science, Undergraduate Study, Persuasive Discourse
Collins, Jennifer Shalini; Olesik, Susan V. – Journal of Chemical Education, 2021
There is a severe shortage of Black scientists in the United States. Amid the recent national movement to dismantle systemic racism and racial injustices, many scientists publicly highlighted the prevalence of racist learning environments in STEM, contributing to the underrepresentation of Black students in STEM fields. Acknowledging this…
Descriptors: College Faculty, Science Departments, Department Heads, Administrator Role
Bierenstiel, Matthias; Snow, Kathy – Journal of Chemical Education, 2019
The Periodic Table of the Elements (PTE) is arguably one of the most central topics in chemistry. This article provides a critical review of current teaching practices of the PTE to high-school students and undergraduate university students. It also provides a new teaching model, the "periodic universe", for understanding of the PTE…
Descriptors: Chemistry, Science Instruction, Teaching Methods, High School Students
Hunnicutt, Sally S.; Grushow, Alexander; Whitnell, Robert – Journal of Chemical Education, 2015
The POGIL-PCL project implements the principles of process-oriented, guided-inquiry learning (POGIL) in order to improve student learning in the physical chemistry laboratory (PCL) course. The inquiry-based physical chemistry experiments being developed emphasize modeling of chemical phenomena. In each experiment, students work through at least…
Descriptors: Inquiry, Science Instruction, Science Experiments, Chemistry
Perrin, Charles L. – Journal of Chemical Education, 2017
The disadvantages of the usual linear least-squares analysis of first- and second-order kinetic data are described, and nonlinear least-squares fitting is recommended as an alternative.
Descriptors: Kinetics, Least Squares Statistics, Alternative Assessment, Goodness of Fit
Erin C. Yang; Robby Divine; Christine S. Kang; Sidney Chan; Elijah Arenas; Zoe Subol; Peter Tinker; Hayden Manninen; Alicia Feichtenbiner; Talal Mustafa; Julia Hallowell; Isiac Orr; Hugh Haddox; Brian Koepnick; Jacob O'Connor; Ian C. Haydon; Karla-Luise Herpoldt; Kandise Van Wormer; Celine Abell; David Baker; Alena Khmelinskaia; Neil P. King – Journal of Chemical Education, 2022
Undergraduate research experiences can improve student success in graduate education and STEM careers. During the COVID-19 pandemic, undergraduate researchers at our institution and many others lost their work-study research positions due to interruption of in-person research activities. This imposed a financial burden on the students and…
Descriptors: Undergraduate Students, Teaching Methods, COVID-19, Pandemics
Me´ndez, Eduardo; Cerda´, María F. – Journal of Chemical Education, 2016
Students of physical chemistry in biochemical disciplines need biochemical examples to capture the need, not always understood, of a difficult area in their studies. The use of thermodynamic data in the chemical reference state may lead to incorrect interpretations in the analysis of biochemical examples when the analysis does not include relevant…
Descriptors: Thermodynamics, Biochemistry, Information Sources, Data
