This article from the Washington Post gives a great description of Cahokia, one of the largest cities in the world before Columbus' contact with the New World. Read about how the great mounds were made, the trade networks established,...

In this activity, students will closely examine two food nutrition guideline posters from the USDA to determine the government's purpose in creating such guidelines and how they have changed over time. Students will also question how...

Classroom teachers will learn about word play, an engaging instructional strategy. Teachers will learn how to implement word play, understand how to measure progress with word play, find research that supports word play, and find a list...