Smithsonian Institution
National Museum of Natural History: Ocean Planet
Detailed website that was a companion to a 1995 traveling exhibit of the Smithsonian. Links to lesson plans and other educational materials are at the bottom of the page. Enter the exhibition to explore the world of the ocean.
CK-12 Foundation
Ck 12: Earth Science: Ocean Ocean Convergent Plate Boundaries
[Free Registration/Login may be required to access all resource tools.] Covers convergent plate boundaries and oceanic plate subduction.
CK-12 Foundation
Ck 12: Earth Science: Ocean Continent Convergent Plate Boundaries
[Free Registration/Login may be required to access all resource tools.] Covers convergent plate boundaries where an oceanic plate meets a continental plate.