Burke Museum
Burke Museum: Earthquake Science
This section of the Burke Museum's online exhibit on earthquakes and natural disasters focuses on the science of earthquakes. Topics that are covered include plate motion, heat, interior of the earth, and more.
Purdue University
Purdue University: Earth's Interior Structure
Purdue University provides a great lesson plan for learning about the Earth's interior structure. Focuses on the crust, mantle and core. Also includes examples and great charts that students will enjoy looking at.
Enchanted Learning
Enchanted Learning: Inside the Earth
This resource has numerous diagrams and descriptions of the earth's interior layers. Worksheets of the various layers are also available to be downloaded.
National Earth Science Teachers Association
Windows to the Universe: Structure of Earth's Interior
Windows to the Universe provides a brief overview of the structure of the interior of Earth.