US Department of Agriculture
Nrcs: Helping People Understand Soils
Comprehensive resource for the study of soil regions. Special information for teachers and students include soil facts, resources, state soils, urban soil issues, state of the land, and more. Be sure to click on their special...
American Geosciences Institute
American Geosciences Institute: Soils
Seven hands-on lessons module allows students to learn about soils. These inquiry-based investigations explore the kinds and arrangements of materials in soils, the amount of water that flows through soil, and how soil is eroded.