Earth Systems
Simulations
McGrawHill -- not as good as Norton
Prentice Hall Textbook Resources
PHET -- Interactive java applets
Online Documentaries
"Birth of Planet Earth" -- Naked science documentary
"Inside Planet Earth" -- Discovery doc which explores the earth's interior.
"Through the Wormhole" -- What happened before the beginning?
"Cosmic Voyage" -- Morgan Freeman narrates.
"Super Volcanoes" -- BBC doc.