Soils may be formed in place from rock or formed in weathered rock and minerals that have been transported from where the original rock occurred.

This interactive website explores the various soil layers and introduces you to the lifeforms that live in those soil layers.

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...