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Showing 1 to 15 of 43 results Save | Export
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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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Kizilaslan, Aydin; Sozbilir, Mustafa; Zorluoglu, Seraceddin Levent – Journal of Chemical Education, 2019
Science education could be made more accessible to students with visual impairments through collaboration and specific adaptation in both the science classrooms and laboratories. For example, by providing simple adaptations or doing some essential modifications, students can gain experience with measuring, balancing, and weighing a variety of…
Descriptors: Science Instruction, Visual Impairments, Teaching Methods, Academic Accommodations (Disabilities)
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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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Harakas, George N. – Journal of Chemical Education, 2018
This work describes an effective, low cost method to anodize small aluminum objects. The use of a PVC spacer between the anode and cathode significantly reduces the size of the electrochemical cell and electrolyte required for its operation. Students will explore the physical and chemical properties of aluminum and anodized aluminum. They will…
Descriptors: Chemistry, Metallurgy, Cost Effectiveness, Molecular Structure
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Hoben, John P.; Wang, Jianing; Miller, Anne-Frances – Journal of Chemical Education, 2017
A signature of life is that biological molecules occur as a single stereoisomer with respect to each chiral center, and this is echoed in the structures of biological polymers. Thus, circular dichroism (CD) has emerged as a hallmark of biomolecular structures. The tangible and familiar phenomenon of raw egg white's conversion from transparent…
Descriptors: Molecular Biology, Molecular Structure, Science Experiments, Scientific Concepts
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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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DeKorver, Brittland K.; Choi, Mark; Towns, Marcy – Journal of Chemical Education, 2017
Chemical demonstration shows are a popular form of informal science education (ISE), employed by schools, museums, and other institutions in order to improve the public's understanding of science. Just as teachers employ formative and summative assessments in the science classroom to evaluate the impacts of their efforts, it is important to assess…
Descriptors: Chemistry, Science Instruction, Elementary School Science, Middle Schools
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C¸etin, Pinar Seda; Eymur, Gülüzar – Journal of Chemical Education, 2017
In this study, we employed a new instructional model that helps students develop scientific writing and presentation skills. Argument-driven inquiry (ADI) is one of the most novel instructional models that emphasizes the role of argumentation and inquiry in science education equally. This is an exploratory study where five ADI lab activities take…
Descriptors: Teaching Methods, Science Instruction, Persuasive Discourse, Inquiry
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Bandyopadhyay, Subhajit; Rathod, Balraj B. – Journal of Chemical Education, 2017
An Android-based application has been developed to provide color-blind and visually impaired students a multisensory perception of color change observed in a titration. The application records and converts the color information into beep sounds and vibration pulses, which are generated by the smartphone. It uses a range threshold of hue and…
Descriptors: Visual Impairments, Blindness, Color, Handheld Devices
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Enlow, Jessica L.; Marin, Dawn M.; Walter, Michael G. – Journal of Chemical Education, 2017
To improve polymer education for 9-12 and undergraduate students, a plastic electronics laboratory kit using polymer semiconductors has been developed. The three-module kit and curriculum use polymer semiconductors to provide hands-on inquiry activities with overlapping themes of electrical conductivity, light emission, and light-harvesting solar…
Descriptors: STEM Education, Electronics, Hands on Science, Inquiry
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