This engaging site about soil is easy to understand and filled with quick facts. Cartoon graphics and menu tabs highlight topics which include the importance of soil, fast facts, soil critters, food webs, and others.

Riparian soils occur along the edges of a lake, stream or river. Pictures and diagrams in this fact sheet explain the importance of and composition of riparian soils.

Through five lessons, students are introduced to all facets of the rock cycle. Topics include rock and mineral types, material stresses and weathering, geologic time and fossil formation, the Earth's crust and tectonic plates, and soil...