S.K.Worm, the official worm of the U.S. Department of Agriculture’s Natural Resources Conservation Service answers students’ questions about soil.
Learn about the 12 types of soil with Enchanted Learning.
Join Badger and his class and learn about soil. Select “Digging Deeper” and then explore the lesson, videos and diagrams.
Compare the sizes of sand, silt and clay.
The world of soil is a rich habitat for many amazing creatures. Browse through the site to find out what it would be like to live underground.