Fourth graders identify rock types by observing key characteristics.

Classify rocks and minerals according to their characteristics.

Second graders will create a classroom rock collection.

[Free Registration/Login may be required to access all resource tools.] This study guide summarizes key points about how sedimentary rocks are classified. Includes a few questions to check for understanding.

[Free Registration/Login may be required to access all resource tools.] Explains that sedimentary rocks are classified by how they formed and by grain size.