Introuduce your scientists to the differences in air at varying altitudes with a colorful explanatory graph. After some discussion, they view unbelievable footage of mountain-climbing Leo Houlding and a narrative about how he might do...

Students study the coutries of Africa. In this African American history, small groups of students research a different country, color the country on the map of Africa, write a paragraph about the country, and draw pictures of its flag.

From the time of its publication, Uncle Tom's Cabin has been controversial. To better understand the debate, class members first examine a broadside decrying the Fugitive Slave Act of 1850, and then two newspaper reviews of the...