Worksheet
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K12 Reader

The Metric System

For Students 4th - 5th Standards
How did the metric system come to be, and why does the US not use it very much? Your class can learn the answers to these questions with the reading passage included here and then respond to the five related questions.
Lesson Plan
American Chemical Society

Norbert Rillieux, Thermodynamics and Chemical Engineering

For Teachers 9th - 12th Standards
The man who invented the earliest examples of chemical engineering was an American-born, French-educated, free man of color before the Civil War, and went on to translate Egyptian hieroglyphics. There is something of...