SRI International
Performance Assessment Links in Science: Classifying Rocks
This is a performance task where students sort and classify rocks based on their properties, then demonstrate how they can transfer their understanding to decide on ways they might sort and classify other types of objects.
CK-12 Foundation
Ck 12: Earth Science: Sedimentary Rock Classification
[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.
CK-12 Foundation
Ck 12: Earth Science: Sedimentary Rock Classification Study Guide
[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.
CK-12 Foundation
Ck 12: Earth Science: Metamorphic Rock Classification
[Free Registration/Login may be required to access all resource tools.] Examines how to classify metamorphic rocks.
CK-12 Foundation
Ck 12: Earth Science: Sedimentary Rock Classification
[Free Registration/Login may be required to access all resource tools.] How to classify sedimentary rocks.
CK-12 Foundation
Ck 12: Earth Science: Metamorphic Rock Classification
[Free Registration/Login may be required to access all resource tools.] Examines how to classify metamorphic rocks.
CK-12 Foundation
Ck 12: Earth Science: Igneous Rock Classification
[Free Registration/Login may be required to access all resource tools.] How to classify igneous rocks.
Read Works
Read Works: Earth Rocks
[Free Registration/Login Required] Students read about three different types of rocks: sedimentary, igneous, and metamorphic. A question sheet is available to help students build skills in classifying and categorizing.