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Lesson Plan
Curated OER

No Title

For Teachers 8th - 10th
Students explore and analyze various Roman artifacts to assess how they survived over time, their organic materials, categories and images. They evaluate Roman, silver, and bronze coinage for their emperor's titles and depict mythical...
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Worksheet
Curated OER

What is the Percentage of Copper in "Copper" Coins?

For Students 9th - 12th
Whether in the UK or in the US, the mass of the copper in a copper alloy penny can be determined. If you are in the US, just note that on the lab sheet, a penny is identified as a "1p piece." The penny is dissolved by young chemists in...