The Four Layers of the earth

Directions: Click on the links to have access to the readings (in blue). Read both readings, then at the end of this page answer the discussion posts.

The Four Layers
For this reading, let's focus on the Crust and Mantle- below post your understanding of each.


Breaking Apart The Structure

Focus only on Like A Four Layer Burrito section at the very bottom of the page.

Wiki Page with Student comments, download file to view