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Direct linkSchubert, Frederic E. – Journal of Chemical Education, 2019
The cannon boring experiment of Count Rumford, where eight kilograms of water were boiled by metal on metal friction, is investigated. Consideration of this dramatic demonstration can enrich classroom discussions of calorimetry, units of measure, elements, and thermodynamics. A section pertaining to use of the article in the classroom appears…
Descriptors: Chemistry, Physics, Science Instruction, Science Experiments
Lyon, D. C.; Lagowski, J. J. – Journal of Chemical Education, 2008
We report the results of a study designed to investigate the effectiveness of peer-led, small-group discussions in a large (N greater than 400) general chemistry course usually taught in a traditional lecture format. The administrative structure, the training of the peer facilitators, and the achievement of students exposed to this environment…
Descriptors: Control Groups, Chemistry, Program Effectiveness, Lecture Method
