Earth's Changing Surface VHS

Underground expeditions and satellite navigation give students an exciting introduction to geology and geography.

GPS: Mapping Earth's Surface: Explains an innovative mapmaking technology.
Soil Formation in America's Prairies: Traces the origins of a fertile region of our country.
Exploring Caves: Leads students on a spelunking expedition into one of Earth's last frontiers.
The Grand Canyon: Investigating Our Geologic Past: Reveals how exposed layers of rock give scientists a snapshot of earth's history.

ORDER CODE: AI-776484V
VIDEO

Earth's Changing Surface

ORDER CODE: AI-776567DVD
DVD