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.

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...

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

After completing this lesson, students will understand the source and the process for the formation of soil, the different types of soil, and the components of soil.

Students explore how Earth processes shape the land, and how important managing the land can be in response to these natural activities.

This Pedrosphere site provides a twelve chapter overview of soil science. Numerous topics are discussed and each chapter has a self-test to test your knowledge on the different aspects of soil science. Some chapters are only previews.

Everything you need to know about sedimentary rocks and the processes by which they are created, including weathering, soils, environments, and classification.

Learn about biological factors in the weathering and breakdown of rocks.