Compositional Layers of Earth

Which layer is composed of rock and soil? 

• Outer Core

• Mantle

• Inner Core

• Crust

Which layer has the highest pressure? 

• Inner Core

• Crust

• Mantle

• Outer Core

Which layer is composed of very HOT, SOLID rock that flows like plastic?

• Inner Core

• Outer Core

• Mantle

• Oceanic Crust

This is the layer with temperatures of 20˚ - 870˚C (68˚ - 1598˚F) that is the coolest layer.

• Inner Core

• Crust

• Mantle

• Outer Core

This is the only liquid layer.

• Crust

• Inner Core

• Outer Core

• Mantle

Which is the thickest layer? 

• Mantle

• Outer Core

• Inner Core

• Crust

Which layer is the most dense?

• Inner Core

• Outer Core

• Crust

• Mantle

Which layer is the least dense?

• Crust

• Mantle

• Outer Core

• Inner Core

What is the thinnest layer?

• Crust

• Mantle

• Inner Core

• Outer Core

Which layer has the least pressure?

• Crust

• Mantle

• Outer Core

• Inner Core