Explains what sedimentary rocks are, the three main types, and how they are formed.

This comprehensive study guide covers the main terms and concepts needed for an earth science unit on the lithification of sedimentary rocks. Review questions are included at the bottom of the study guide.

[Free Registration/Login may be required to access all resource tools.] This study guide briefly summarizes key points about the Principle of Horizontality and how it relates to sedimentary rock formation. Includes a few questions to...

Learn about various rock types and the rock cycle.

Learn about what a fossil is, the different types that scientists use for study, and processes that form them. [2:57]

Coal is a combustible black or brownish-black sedimentary rock composed mostly of carbon and hydrocarbons. It is the most abundant fossil fuel produced in the United States. Coal is also a nonrenewable energy source because it takes...