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Schools

FETCH!™ Copper Cleanup (Drop-in)

"Pennies become dull when their surface is exposed to oxygen. See if you can make a penny sparkle with ketchup, baking soda, or cola. Explore whether acids or bases work better at restoring a penny’s shine."

This program is sponsored by Middlesex Savings Bank, with additional support from Red Hat, Inc. © 2011 WGBH Educational Foundation. The program is free with admission.

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