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Hofmann, Andreas; Coster, Mark J.; Taylor, Paul – Journal of Chemical Education, 2019
The interactive generation of chemical-structure diagrams is an integral activity in the study of chemistry as well as in professional chemistry environments. For educational purposes in particular, the existence of suitable software tools free of charge is of great importance. Although a number of free chemical-drawing applications are currently…
Descriptors: Science Instruction, Secondary School Science, High Schools, College Science
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Duangpummet, Prempree; Chaiyen, Pimchai; Chenprakhon, Pirom – Journal of Chemical Education, 2019
An inquiry-based laboratory learning unit was designed to enhance high school students' understanding of the application of lipase as a catalyst to synthesize isoamyl and geranyl ester derivatives as well as to promote their understanding and positive perceptions of green chemistry. The learning unit consisted of three laboratories and a final…
Descriptors: Science Laboratories, Secondary School Science, High Schools, Chemistry
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Minkiewicz, Piotr; Darewicz, Malgorzata; Iwaniak, Anna – Journal of Chemical Education, 2018
A simple equation to calculate the oxidation states (oxidation numbers) of individual atoms in molecules and ions may be introduced instead of rules associated with words alone. The equation includes two of three categories of bonds, classified as proposed by Goodstein: number of bonds with more electronegative atoms and number of bonds with less…
Descriptors: Science Instruction, Secondary School Science, High Schools, College Science
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Kurushkin, Mikhail; Kurushkin, Dmitry – Journal of Chemical Education, 2018
A novel educational chart that represents the acid--base behavior of 100 s-, p-, d-, and f-element oxides depending on the element's electronegativity and oxidation state was designed. An updated periodic table of said oxides was developed. A mathematical criterion based on the chart was derived which allows prediction of the behavior of…
Descriptors: Science Instruction, Secondary School Science, High Schools, Chemistry
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Koh, Sam Boon Kiat; Fung, Fun Man – Journal of Chemical Education, 2018
A mobile application game has been adapted to teach students about laboratory instruments, glassware, apparatus, and techniques. The game was designed with reference to a popular icebreaker game, "Charades!", to ensure that it was easily accessible to students. Students will hold a mobile phone just above their forehead, which will then…
Descriptors: Science Instruction, Science Laboratories, Laboratory Equipment, Telecommunications
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Almendro Vedia, Víctor G.; Natale, Paolo; Chen, Su; Monroy, Francisco; Rosilio, Veronique; López-Montero, Ivan – Journal of Chemical Education, 2017
Since the first report of electroformed micrometer-sized liposomes in the 1980s, giant unilamellar vesicles (GUVs) have generated a lot of interest in the biophysical and biochemical communities. However, their penetration rate in high school or at the undergraduate level is still limited because of the requirement of specialized materials for…
Descriptors: Science Instruction, Telecommunications, Handheld Devices, Teaching Methods
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Paik, Seoung-Hey; Kim, Sungki; Kim, Kihyang – Journal of Chemical Education, 2017
The four representative models that define oxidation-reduction reactions are often used differently in different situations or contexts in chemistry textbooks. Although integrated models have been suggested to overcome the confusion caused by this, they have not been successful. We therefore aim to interpret the causes for difficulties in the…
Descriptors: Science Instruction, Models, Classification, Secondary School Science
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Park, Mihwa; Liu, Xiufeng; Waight, Noemi – Journal of Chemical Education, 2017
This paper describes the development of Connected Chemistry as Formative Assessment (CCFA) pedagogy, which integrates three promising teaching and learning approaches, computer models, formative assessments, and learning progressions, to promote student understanding in chemistry. CCFA supports student learning in making connections among the…
Descriptors: Chemistry, Science Instruction, Secondary School Science, High Schools
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Zuidema, Daniel R.; Herndon, Lindsey B. – Journal of Chemical Education, 2016
Deborah Blum's New York Times bestselling nonfiction book "The Poisoner's Handbook" was used as supplementary reading in our first-term General/Organic/Biochemistry course. This course serves as both the first course for our Allied Health chemistry sequence and a core science course. Our goal was that, through reading this book, students…
Descriptors: Science Instruction, Organic Chemistry, Reading Materials, Crime
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Pinto, Gabriel; Garrido-Escudero, Amalio – Journal of Chemical Education, 2016
We present ideas about how to incorporate discussion of a paintings collection in chemistry classrooms. Specifically, it is a collection of paintings that have illustrated calendars since 1900, from a traditional Spanish explosives company (founded by Alfred Nobel and now known as Maxam). The case is discussed in relation to the "chemistry in…
Descriptors: Science Instruction, Chemistry, Painting (Visual Arts), Secondary School Science
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Kurushkin, Mikhail; Mikhaylenko, Maria – Journal of Chemical Education, 2015
An educational card game, "Chemical Alias," has been developed as an alternative method of reviewing students' knowledge of nomenclature. In contrast to conventional tests, this highly competitive activity is a fun and effective way to examine and reinforce nomenclature. The students play in pairs, using Clark's famous spiral arrangement…
Descriptors: Science Instruction, Secondary School Science, High Schools, College Science
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Moraes, Edgar P.; Confessor, Mario R.; Gasparotto, Luiz H. S. – Journal of Chemical Education, 2015
This article proposes an indirect method to evaluate the corrosion rate of iron nail in simulated seawater. The official procedure is based on the direct measurement of the specimen's weight loss over time; however, a highly precise scale is required and such equipment may not be easily available. On the other hand, mobile phones equipped with…
Descriptors: Telecommunications, Handheld Devices, Educational Technology, Technology Uses in Education
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Woelk, Klaus – Journal of Chemical Education, 2015
In a classroom or take-home activity, students are challenged to write their name as a combination of chemical-element symbols and calculate "their" molar mass. Age-appropriate versions ranging from middle school to entry-level college classes are discussed. Acceptable molar-mass suggestions may be used in a competition for the heaviest…
Descriptors: Science Instruction, Elementary School Science, Elementary Schools, Middle Schools
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Valetaud, Mathieu; Loget, Gabriel; Roche, Je´rome; Hu¨sken, Nina; Fattah, Zahra; Badets, Vasilica; Fontaine, Olivier; Zigah, Dodzi – Journal of Chemical Education, 2015
The Electrochemical Pen (EChemPen) was developed as an attractive tool for learning electrochemistry. The fabrication, principle, and operation of the EChemPen are simple and can be easily performed by students in practical classes. It is based on a regular fountain pen principle, where the electrolytic solution is dispensed at a tip to locally…
Descriptors: Science Instruction, College Science, Undergraduate Study, Secondary School Science
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Andre´, Joa~o Paulo – Journal of Chemical Education, 2015
Artistic creation has always reflected the spirit of the moment, and opera has not been an exception. There are several examples of operas that appeared at key moments of the development of science, portraying them. Additionally, there are also operas that emerged after scientific events or the lifetime of the scientists by whom they were…
Descriptors: Science Instruction, Secondary School Science, High Schools, College Science
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