Students identify the layers of the Earth and complete activities for the topic. In this Earth layers lesson, students chart their ideas about the Earth's layers and view a PowerPoint for the topic. Students view an apple to learn about...

Simulate core sampling with this lesson plan. Students will see layers of Earth with this activity.

As an overview of the online exhibit on earthquakes, this site discusses the various sections inside the Earth. The crust, the mantle, and the core are each individually discussed.