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

[Free Registration/Login may be required to access all resource tools.] This study guide summarizes key points about the characteristics of soil, factors in soil formation, and soil horizons and profiles. Includes a few questions to...

Learn what soils are and why they are important. Discusses soil profiles, types of soils, soil conservation, soil ecosystems, and soil formation.

Students learn the basics about soil, including its formation, characteristics and importance. They are also introduced to soil profiles and how engineers conduct site investigations to learn about soil quality for development,...

Hans Hofmann is profiled at this site in a format that begins with a brief biographical sketch of his life. His works are then listed by appearance in the museum's database. Each work is presented in thumbnail format with brief...