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...

The plot thickens to get a functional understanding. After a short review of plotting points on the coordinate plane, class members learn the difference between functions and relations in the second lesson plan in a series of nine....

Honor Abe Lincoln with a set of activity-based worksheets that can be used independently and in collaborative groups. Young historians participate in a listening activity where they fill in the missing blanks in a passage while being...