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Introducing Scientific Reasoning with the Penny Lab
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Abstract
Discovery labs require a thorough knowledge of the experiment. Towards this end, a brief history of the chemistry of the Lincoln Type Penny, tips for instructors, and experimental results for an introductory discovery lab, commonly known as the "Penny Lab," are presented. Considerable emphasis is placed on scientific reasoning as defined in Ronald Giere's Understanding Scientific Reasoning for use in this and other discovery labs. This experiment, only briefly described elsewhere, is excellent for introducing students to a number of topics including scientific research, experimental design, and the determination of density.
Keywords (Audience):
Elementary / Middle School ScienceKeywords (Domain):
Laboratory InstructionKeywords (Pedagogy):
Inquiry-Based / Discovery LearningKeywords (Subject):
Learning TheoriesCiting Articles
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This article has been cited by 8 ACS Journal articles (5 most recent appear below).
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Joseph BularzikJournal of Chemical Education2007 84 (9), 1456The Penny Experiment Revisited: An Illustration of Significant Figures, Accuracy, Precision, and Data Analysis
Joseph BularzikJournal of Chemical Education2007 84 (9), 1456Measuring the mass of many pennies has been used as an easy way to generate data for exercises with statistical analysis. In this general chemistry laboratory the densities of pennies are measured by weighting the pennies and using two different methods ...
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Mark S. Cracolice , Kereen MonteyneJournal of Chemical Education2004 81 (11), 1559What's Wrong with Cookbooks? A Reply to Ault
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- Received: August 03, 2009
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