This website from the Exploratorium provides an introduction to seismic science, or earthquakes and their effects. The site contains an introduction, real time data on earthquakes, pictures historical earthquakes,...

This collection of historic topographic maps goes back to the late 19th century. Comparison of maps of the same area from different times allows users to observe changes in land use over time. The maps can be searched by...

Students will examine the decision to place all Japanese-Americans living on the West Coast into internment camps during WWII. This lesson is part of a mini-unit on Japanese Internment that will include readings in...

The student will learn to use the module tutorial, identifying the query, measuring, eraser, information, and magnifying tools, as well as the layers on the web based Lewis and Clark Map. This lesson will be a part of a...

The Liberty Library of Constitutional Classics is a treasure trove of political primary documents that have influenced the U.S. government as well as many other countries with Republican forms of government around the...