PBS
Pbs Learning Media: The Grand Canyon: Ancient Mountains
This video segment adapted from NOVA features the twisted and melted forms of the Grand Canyon's oldest rocks, the 1.7-billion-year-old Vishnu Schist.
Annenberg Foundation
Annenberg Learner: Earth Revealed
To support or supplement a course in earth science or geography, Annenberg Media offers twenty-six Videos on Demand (VoDs). The topics coverd range from why Earth can sustain life, to plate tectonics, to rock types and landscape...
PBS
Pbs Learning Media: The Grand Canyon: The Top Two Rock Layers
This brief video segment adapted from NOVA uses illustrations and the well-preserved footprints of a small reptile to portray the history of the Grand Canyon's top two rock layers.