What are the different types of rocks and how do they change form? This question is answered by examining the rock cycle. The major characteristics of igneous, sedimentary, and metamorphic rocks are highlighted through vivid footage and colorful animations. The video demonstrates the ways the following processes transform rocks into other rocks: weathering, erosion, deposition, compaction and cementation, melting, heat, and pressure. Important terminology includes: rocks, granite, limestone, marble, shale, slate, molten rock, lava, magma, and sediments.

Originally released by Visual Learning, 2007. Streaming video file encoded with permission for digital streaming by Infobase on April 18, 2015. Teacher's guide available under Additional info tag. Also available as DVD (DV1399).

QA: Bernie Sanders Phenomenon (1:12); --QA: Trump Voters Assessing Elite Failures (2:45); -- Volley Round (3:32); -- Closing Statement For: Ben Domenech (2:05); -- Pathways in the Rock Cycle (1:12); -- Summing Up (1:34); -- Video Assessment (1:38); -- Credits: The Rock Cycle (0:52);.