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

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

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/

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

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