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The chemical and educational appeal of the orange juice clock

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Carlos Mauricio Castro-Acuña

Departamento Fisicoquimica, UNAM 04150 D. F., Mexico

Paul B. Kelter , James D. Carr and Tanya Johnson

Department of Chemistry, University of Nebraska, Lincoln, NE 68588-0304

J. Chem. Educ., 1996, 73 (12), p 1123

DOI: 10.1021/ed073p1123

Publication Date (Web): December 1, 1996

Abstract

The Orange Juice Clock, in which a galvanic cell is made from the combination of a magnesium strip, a copper strip, and juice in a beaker, has been a popular classroom, conference, and workshop demonstration for nearly 10 years. The discussion that follows considers the recent history, chemistry, and educational uses of the demonstration.

Keywords (Audience):

Elementary / Middle School Science

Keywords (Domain):

Demonstrations

Keywords (Feature):

Tested Demonstrations

Keywords (Subject):

Electrochemistry

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Received: August 03, 2009

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The chemical and educational appeal of the orange juice clock

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How Do I Balance Thee? ... Let Me Count the Ways!

Theme-Based Bidisciplinary Chemistry Laboratory Modules

The Chemistry of Paper Preservation Part 3. The Strengthening of Paper

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