Soils
Includes soil songs, science fair ideas, and much more!
» US Department of Agriculture Soils Site
List of quick facts about soil and what it is used for.
Discover the rich world of soil and the tiny creatures who call it home. Check out all the videos, photos, and experiments. There's a virtual terrarium too!
Start with the simple questions (Is soil made by magic?) and work up to the tougher ones (What is soil conservation?).