What is the Volume of a Debris Flow?
chuck connor, University of South Florida-St. Petersburg
SSAC Physical Volcanology module. Students build a spreadsheet to estimate the volume of volcanic deposits using map, thickness and high-water mark data from the 2005 Panabaj debris flow (Guatemala).

Biogeography photography exercise
Teresa Cohn, Queens University of Charlotte
Students rephotograph historical landscape images from local archives, upload the matched images in Google Earth, and use the whole class's images to analyze environmental changes over the past century.