The Mongols, Spanish, and Ottomans all rewrote history with their conquest and control of empires. Yet, each made its mark differently. Using a variety of secondary and primary sources, pupils consider the similarities and differences...

A series on environmental engineering introduces the class to issues that environmental engineers work to solve. This first instructional activity focuses on air and land issues, and looks at ways to reduce pollution.

There seems to be an interesting relationship between the increasing numbers of golf courses and divorce. Assess student understanding of correlation and causation by asking them to explain what it is. Use this short activity as a class...