World Geography Games
World Geography Games: Earth's Layers
Explore the layers of the Earth through this interactive quiz.
Science Struck
Science Struck: The Four Main Layers of the Earth
Gives short descriptions of the crust, mantle, outer core, and inner core.
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.