Earth's Layers

The thinnest layer of the Earth is the ___________.

• mantle
• crust
• core

What is the deepest layer of the Earth?

• The outer core

• The mantle

• The inner core

What is the correct order (starting from the surface) of Earth's layers?

• crust, mantle, inner core, outer core
• mantle, outer core, inner core, crust
• inner core, outer core, mantle, crust
• crust, mantle, outer core, inner core

Which layer is the thickest?

• Crust

• Mantle

• Outer Core

• Inner Core

Identify each layer - #19.

• mantle
• lithosphere
• inner core
• outer core

Layer 3 is the Earth's ______ core.

• Core
• Lithosphere
• Mantle
• Asthenosphere

Which layer of the earth is completely Liquid?

• Crust
• Mantle
• Outer Core
• Inner Core

This layer of Earth is solid Iron and Nickel

• Outer Core
• Mantle
• Inner Core
• Crust

Where is heat and pressure the greatest in the Earth?

• crust

• mantle

• outer core

• inner core

Pressure ______________________ as you go deeper into the Earth

• increases
• decreases 
• goes up or down depending on the layer
• stays the same