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Showing 1 to 15 of 420 results Save | Export
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Smith, Catherine J.; Mansfield, Steven J.; Anderson, Edward A.; Burton, Jonathan W. – Journal of Chemical Education, 2019
Organic synthesis in a modern research laboratory uses state-of-the-art equipment to provide inert atmospheres, track reaction progress, and facilitate the purification of intermediates. Such facilities are not available in a high school laboratory. In this paper, synthetic organic chemistry is taken back to basics: A four step total synthesis of…
Descriptors: Science Instruction, Laboratory Experiments, Universities, Foreign Countries
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Pemberton, Andrew T.; Magers, D. Brandon; King, Daniel A. – Journal of Chemical Education, 2019
Thermogravimetric analysis (TGA), Fourier transform infrared spectroscopy (FTIR), and computational chemistry are used in concert to evaluate the thermal decomposition of calcium acetate monohydrate, Ca(C[subscript 2]H[subscript 3]O[subscript 2])[subscript 2]·H[subscript 2]O, and to engage students in high-level thinking as they synthesize results…
Descriptors: Spectroscopy, Science Instruction, Thinking Skills, Chemistry
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Nagel, Thomas; Mentzer, Casey; Kivistik, P. Mike – Journal of Chemical Education, 2019
This experiment provides students with a thorough understanding of electrolysis and the parameters that most greatly impact optimization of this process. In this laboratory exercise, students will focus on the anodization of bismuth metal to develop thin oxide films. When designing an electrolytic cell devoted to anodization, there are several…
Descriptors: Cytology, Science Instruction, Laboratory Experiments, Teaching Methods
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Blackburn, Richard A. R.; Villa-Marcos, Barbara; Williams, Dylan P. – Journal of Chemical Education, 2019
A series of laboratory themed simulations developed by Learning Science Ltd. were integrated into a first year laboratory module at the University of Leicester. These simulations allow students to attempt the experiments they will do in the laboratory in a risk-free way that provides the opportunity to make mistakes and learn how to correct them…
Descriptors: Chemistry, Science Instruction, Teaching Methods, Learner Engagement
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Esselman, Brian J.; Block, Stephen B. – Journal of Chemical Education, 2019
The VSEPR model has well-established limitations in its ability to represent accurate molecular and electronic geometries of simple molecules, which can create a significant need for students to relearn structure and bonding concepts in organic chemistry. We present an alternate method for describing molecular geometries and electronic structures…
Descriptors: Science Instruction, College Science, Undergraduate Study, Scientific Concepts
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Fung, Fun Man; Choo, Wen Yi; Ardisara, Alvita; Zimmermann, Christoph Dominik; Watts, Simon; Koscielniak, Thierry; Blanc, Etienne; Coumoul, Xavier; Dumke, Rainer – Journal of Chemical Education, 2019
Field trips are a common activity for instructors to engage students and give them a first-hand understanding of a subject, especially in environmental chemistry. However, the planning and execution for a field trip is logistically challenging and demanding of human and material resources. Here, we demonstrate the conduct of a virtual overseas…
Descriptors: Teaching Methods, Field Trips, Chemistry, Science Instruction
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Ferreiro-González, Marta; Amores-Arrocha, Antonio; Espada-Bellido, Estrella; Aliaño-Gonzalez, María José; Vázquez-Espinosa, Mercedes; González-de-Peredo, Ana V.; Sancho-Galán, Pau; Álvarez-Saura, José Ángel; Barbero, Gerardo F.; Cejudo-Bastante, Cristina – Journal of Chemical Education, 2019
"Escape ClassRoom "CSI 1.0"" is an educational escape room proposed as an interactive analytical chemistry exercise for the evaluation of undergraduate students at the end of the subject. This approach is a new form of live action learning activity in which the students have to solve an analytical problem, namely, "an…
Descriptors: Science Instruction, Teaching Methods, Chemistry, College Science
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Costa, Samuel C.; Fernandes, Julio C. B. – Journal of Chemical Education, 2019
We developed a simple device to teach the concept of pH to visually impaired people through an experimental approach. An interface between a glass electrode and an open-source electronics platform based on easy-to-use hardware and software (Arduino Uno) was designed using an operational amplifier of ultralow input current. A headphone connected to…
Descriptors: Science Instruction, Scientific Concepts, Visual Impairments, Teaching Methods
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Suroviec, Alice H.; Jones, Katarina; Sarabia, Grace – Journal of Chemical Education, 2019
Flavonoids have been studied extensively for their antioxidant properties. Specifically, the flavonoids in tea, such as catechin and epigallocatechin gallate, have been shown to have positive health effects. These compounds are also oxidizable, so the concentrations of these compounds in a given kind of tea can be determined using cyclic…
Descriptors: Science Instruction, Chemistry, Food, Hands on Science
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Carmel, Justin H.; Herrington, Deborah G.; Posey, Lynmarie A.; Ward, Joseph S.; Pollock, Amy M.; Cooper, Melanie M. – Journal of Chemical Education, 2019
Over the past 20 years research on reform efforts aimed at the chemistry laboratory has focused on different aspects of students' experiences including increasing content knowledge, improving student attitudes toward chemistry, incorporating inquiry activities, and providing students a hands-on experience related to the chemistry concepts learned…
Descriptors: Chemistry, Science Instruction, Teaching Methods, Educational Change
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Pratt, Justin M.; Yezierski, Ellen J. – Journal of Chemical Education, 2019
Chemistry-specific informal science education (chemistry outreach) is widely practiced across all levels of the chemistry community. College students associated with American Chemical Society and Alpha Chi Sigma collegiate chapters are one population of chemistry outreach practitioners who reach upward of 1 million people every year. Previous…
Descriptors: Science Instruction, College Science, Chemistry, College Students
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Schneider, Elia M.; Bärtsch, Amadeus; Stark, Wendelin J.; Grass, Robert N. – Journal of Chemical Education, 2019
A simple synthesis of fluorescent carbon quantum dots from lemon juice is described to introduce advanced high-school students and undergraduate college students to nanoparticle synthesis and quantum dots. The synthesis is based on the carbonization of lemon juice using only a hot plate stirrer. Column chromatography is used to separate different…
Descriptors: Science Instruction, Teaching Methods, High School Students, Foreign Countries
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Franco, Jimmy; Provencher, Brian A. – Journal of Chemical Education, 2019
In recent years, researchers have worked diligently to identify more effective means of facilitating student learning. Some promising pedagogical techniques that have emerged include the flipped-class model and test-enhanced learning. These pedagogical strategies have been incorporated into a multitouch book. A multitouch book is a dynamic…
Descriptors: Organic Chemistry, Science Instruction, Teaching Methods, Educational Technology
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Njoki, Peter N. – Journal of Chemical Education, 2019
A laboratory experiment has been developed to illustrate the transformation of silver nanoparticles (Ag NPs) in water containing phosphate anions. The experiment, conducted by high school students, involved hands-on learning to synthesize and characterize Ag NPs via ultraviolet-visible (UV-vis) spectroscopy. This was followed by a UV-vis probe of…
Descriptors: High School Students, Science Experiments, Chemistry, Science Instruction
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Lazenby, Katherine; Rupp, Charlie A.; Brandriet, Alexandra; Mauger-Sonnek, Kathryn; Becker, Nicole M. – Journal of Chemical Education, 2019
Understanding the nature and purpose of models, including mathematical models, is critical to enabling undergraduate chemistry students to use models to predict and explain phenomena. However, students often do not have systematic conceptions about different kinds of models. To gain a sense of how students understand different models in the…
Descriptors: Undergraduate Students, Chemistry, Science Instruction, Teaching Methods
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