Students study the removal of Zinc from pennies. They separate the two metals in a post-1983 penny by inspecting the different reactivities of copper and zinc to hydrochloric acid.
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Penny Perfect Properties (Solid-Liquid Interations)
I can get more water to stay on a penny than you can! Collaborative pairs determine the volume of liquids that can be contained on the surface of copper pennies and plastic coins. The pairs analyze their results using graphs and go on to...
7th - 12th Science CCSS: Designed