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Title: Floating Pennies Demonstration
Url: http://matse1.matse.illinois.edu/metals/f.html
Publisher: University of Illinois at Urbana-Champaign. Dept. of Materials Science and Engineering
Description: The Materials Science and Technology Teacher's Workshop (MAST) provides this demonstration on the different reactivities of copper and zinc to hydrochloric acid. In this module, the reactivities of copper and zinc to hydrochloric acid will be used to separate the two metals in a post-1983 penny. The percent of zinc and of copper can be calculated as well as the economic value of each.

The lesson includes a step by step explanation of the laboratory procedure. Discussion questions and a video clip are also included.
LC Classification: Technology -- Mining engineering. Metallurgy -- Mining engineering. Metallurgy -- Metallurgy -- Metallography. Physical metallurgy -- Special metals, A-Z -- Copper (Bronze)
Technology -- Chemical technology -- Chemicals -- Special inorganic chemicals -- Acids -- Other acids, A-Z -- Hydrochloric
Science -- Chemistry -- Study and teaching. Research -- Experiments
Science -- Chemistry -- Physical and theoretical chemistry -- Conditions and laws of chemical reactions
GEM Subject: Vocational Education -- Technical
Vocational Education -- Tech prep
Vocational Education -- Instructional issues
Science -- Instructional issues
Science -- Chemistry
Key Concept: Manufacturing -- Metals
Chemistry -- Chemical reactions
Key Concepts Complete: Yes
Resource Type: Auto-Instructional Aids
Demonstrations
Instructional Materials
Laboratory Modules
Lesson Plans
Science Materials
Teaching Guides
Text (DCMI Type Vocabulary)
Format: html
Audience: College/University Instructors
Higher Education
Secondary Education
Teachers
Technical School First Cycle
Technical School Second Cycle
University First Cycle
Vocational Training
Language: English
Access Rights: Free access
Date Of Record Release: 2012-05-03 03:00:03 (W3C-DTF)
Date Last Modified: 2011-10-10 13:11:33 (W3C-DTF)
Source Type: ATE Center
Source: NetWorks
Full Record Views: 25
Resource URL Clicks: 3
Cumulative Rating: NOT YET RATED
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