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Dewi Ayu Kencana Ungu; Mihye Won; David F. Treagust; Mauro Mocerino; Henry Matovu; Chin-Chung Tsai; Roy Tasker – Journal of Chemical Education, 2023
Magnetic molecular models help students explore molecular structures and interactions. In this study, we investigated how pairs of students used magnetic models to explore hydrogen bonding and the 6-fold symmetry of snowflakes. Fourteen first-year students enrolled in a chemistry unit participated in pairs. Students' interactions with the magnetic…
Descriptors: College Freshmen, Science Instruction, Molecular Structure, Chemistry
Das, Arijit – Online Submission, 2017
In this chapter text-based learning approaches have been highlighted by innovative and time economic way to enhance the interest of students who belong to the paranoia zone in Electronic Structure of Atoms and Molecules beneath Inorganic Chemistry of chemical science. In this pedagogical survey, I have tried to hub two (02) time economic…
Descriptors: Science Instruction, Molecular Structure, Inorganic Chemistry, Teaching Methods
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Pappenfus, Ted M.; Schliep, Karl B.; Dissanayake, Anudaththa; Ludden, Trevor; Nieto-Ortega, Belen; Lopez Navarrete, Juan T.; Ruiz Delgado, M. Carmen; Casado, Juan – Journal of Chemical Education, 2012
A series of experiments for undergraduate courses (e.g., organic, physical) have been developed in the area of small molecule organic materials. These experiments focus on understanding the electronic and redox properties of a donor-acceptor molecule that is prepared in a convenient one-step microscale reaction. The resulting intensely colored…
Descriptors: Chemistry, Science Instruction, College Science, Undergraduate Study
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Kesonen, M. H. P.; Asikainen, M. A.; Hirvonen, P. E. – European Journal of Physics, 2011
This study focuses on students' conceptions of electric and magnetic fields at university level and of the interrelations between them. A total of 33 students participated in a paper and pencil test after the completion of first-year electricity and second-year electromagnetism courses. The conceptions were investigated in the contexts of a…
Descriptors: Optics, Science Instruction, College Science, Scientific Concepts
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Gabel, Dorothy; And Others – Science Teacher, 1992
Chemistry can be described on three levels: sensory, molecular, and symbolic. Proposes a particle approach to teaching chemistry that uses magnets to aid students construct molecular models and solve particle problems. Includes examples of Johnstone's model of chemistry phenomena, a problem worksheet, and a student concept mastery sheet. (MDH)
Descriptors: Chemistry, Cognitive Development, Concept Formation, Magnets