Other
Boardworks: The Earth's Structure
The Earth is at your fingertips. Simply click on the piece you are looking for and explore.
Science4Fun
Science4 Fun: Composition of the Earth
Provides a discussion of the layers of the earth including the crust, mantle, inner core, and outer core.
Mocomi & Anibrain Digital Technologies
Mocomi: Major Domains of the Earth Lithosphere
Learn about the lithosphere, the different types, continental drift, and the major plates.