Discovery Education
Discovery Education: The Dirt on Soil
This interactive website explores the various soil layers and introduces you to the lifeforms that live in those soil layers.
Utah Education Network
Uen: What's in the Dirt?
Third graders will observe changes in a small environment.
PBS
Pbs Teachers: The Real Dirt on Farmer John: Family Farms in America
Trace the evolution in American agriculture with this interactive timeline. Learn how the history of one small Illinois farm reflects the larger changes, decade by decade.
Science Education Resource Center at Carleton College
Serc: Comparing Soil Samples From Different Locations
In this field investigation, students compare various soil samples taken from specific locations. Students compare samples, record data, create a chart or graph, and keep records in a journal.
Other
Pipeline: Soil Characteristics Demystifying Dirt [Pdf]
Soil is the foundation of conventional on site wastewater treatment.The drainfields used with on site systems work because the soil around the trenches acts as a filter and removes organic matter, some of the nutrients present in...