Originally released by Mazzarella Media, 2007.
Student activity sheet available under Additional info tag.
Streaming video file encoded with permission for digital streaming by Infobase on May 02, 2015.
Content Note
What Are Rocks and Minerals? (2:59); --The Structure of the Earth (1:28); -- Types of Rocks and How They Are Formed (7:50); -- The Rock Cycle (2:32); .