The Virtual Rock Box virtual rock lab here http://www.glencoe.com/sites/common_assets/science/virtual_labs/ES04/ES04.html (with a video, too)
Geology ROCKS! Celebrate The Rock Cycle in your classroom with this chart, only $1.24 right now during our Winter Clearance Sale!
The rock cycle system is impacted by the hydrologic (water) cycle. Earth's subsystems interact with each other.
Ciclo de las rocas
The science of earthquakes is both fascinating and complicated, even in this over-simplified version.
cloud formations - Yahoo Image Search Results
Featured image is reproduced from <I>Joel Meyerowitz: Morandi's Objects</I>.
Oeil de la photographie »Joel Meyerowitz: Objetos de Morandi