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Lab Design Lab

Published on Mar 17, 2016

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PRESENTATION OUTLINE

PENNIES VS. MASS

Photo by Great Beyond

Untitled Slide

Untitled Slide

Our conclusion was for every penny the mass increased about two grams. Each penny weighs a little differently.

Facts: originally pennies were manufactured with 95% copper and 5% zinc, until 1982 they decided to use 97.5% zinc and 2.5% copper. This way was a lot cheaper.