This lesson focuses on the importance of record keeping, in journal or diary form, by people in the past. Students learn much about their lives from these documents and they study the Middle Ages as they create journal entries in the...

[Free Registration/Login Required] Lesson in which students explore three primary sources and one New York Times article to determine if Galileo was a heretic as accused by the Inquisition. Lesson plans, PowerPoint and primary resources...

Waste disposal has been an ongoing problem since medieval times. Environmental engineers are employed to develop technologies to dispose of the enormous amount of trash produced in the United States. In this lesson, students will learn...

In this lesson plan, 7th graders examine the widespread impact of the printing press on promoting literacy and spreading ideas across societies and between countries.

You'd have a hard time finding the medieval city Konigsberg on any modern maps, but one particular quirk in its geography has made it one of the most famous cities in mathematics. Dan Van der Vieren explains how grappling with...