Ask the Answer Worm
   Get the answers to frequently asked questions from S.K. Worm.
   http://www.nrcs.usda.gov/feature/education/squirm/skworm.html

BLM NSTC Soil Biological Communities for Kids
   Learn all about soil and the things that live in it.
   http://www.blm.gov/nstc/soil/Kids/index.html

Soil Songs
   Songs by the department of agriculture about mud.
   http://soils.usda.gov/education/resources/k_12/songs/index.html

The Dirt on Soil
   Explore soil ecology, meet microscopic creatures, and journey underground in the virtual reality voyage of the Earthship. From the Discovery Channel school.
   http://school.discovery.com/schooladventures/soil/index.html

The Twelve Soil Orders
   This system for classifying soils is one of the most widely used soil classification systems in the world. Includes a collection of information and images to illustrate the distribution, properties, ecological significance, and use of these 12 soil orders
   http://soils.ag.uidaho.edu/soilorders/

Under Ground Adventure
   Soil biology, including a virtual tour of microorganisms.
   http://www.fieldmuseum.org/undergroundadventure/