Layers of the Earth

What is the thickest layer of the Earth?

• the crust
• the mantle
• the outer core
• the inner core

What is the core made of?

• steel
• iron 
• aluminum
• iron and nickel

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

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

The two types of crust are continental crust and ________ crust.

• continental

• oceanic

• plates

• mantle

Which layer of Earth has the GREATEST density?

• crust
• mantle
• outer core
• inner core

We live on the _________________________.

• crust

• mantle

• core

There are how many different types of crust?

• 1
• 2
• 5
• 3

Which layer of the Earth is the only liquid layer?

• Outer Core
• Inner Core
• Mantle
• Lithosphere

Which layer(s) of the Earth make up the asthenosphere?

• Part of the mantle
• Crust, mantle, Core
• Crust and upper mantle
• Only the crust

What happens to pressure as we move from the crust to the inner core?

• Pressure Decreases
• Pressure Increases
• Nothing