Situated on one of the islands in the Azores archipelago, this was an obligatory port of call from the 15th century until the advent of the steamship in the 19th century. The 400-year-old San Sebastiao and San Joao Baptista...

This lesson is a writing assignment focussed on the use of data to support the theory of plate tectonics. It includes a scoresheet that was created for a calibrated peer review assignment. The assignment directs young scholars to...

Scientists have a fairly good understanding of how the plates of the Earth move and how such movements relate to earthquake activity. Most movement occurs along narrow zones between plates where the results of plate-tectonic forces are...

View a brief animation that explains the science behind a tsunami.

[Free Registration/Login Required] How much do you know about the world around us? Questions provided by National Geographic Survey. http://www.nationalgeographic.com/roper2006/findings.html

A map from 1898 of South America showing the general physical features including mountain systems, prominent peaks and volcanoes, river and lake systems, plateaus, and coastal features. The map includes an insert of the Isthmus of...