21.2 Earth’s Internal Layers

The Mantle and the Crust

The Mantle and the Crust

Earth's Compositional Layers

The layers within Earth can be compared to those within a hard-boiled egg. Duration: 1:26 (CIS2201a)

 

For Your Further Consideration:

 

How is the mantle like a soft mattress?

 

 

Developing Earth Layers

Earth's internal layers differentiated from each other because of their varying densities. Duration: 1:55 (CIS22Aa)

 

For Your Further Consideration:

 

How does the composition of Earth's crust compare to the composition of the whole Earth?