Layers of the Earth...

What is the thickest layer of the Earth?

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

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

Which layer of Earth has the GREATEST density?

• crust
• mantle
• outer core
• inner core

Tectonic plates are made up of continental crust and ________ crust.

• continental
• oceanic
• plates
• mantle

What describes the outer core?

• solid
• liquid
• viscous
• gas

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

• Pressure Decreases
• Pressure Increases
• Nothing

What is the name of the layer that contains the uppermost mantle and crust

• Asthenosphere
• Mesosphere
• Lithosphere
• Transosphere

Which layer of Earth is made up of tectonic plates?

• outer core
• inner core
• asthenosphere
• lithosphere

Why is the inner core solid?

• its unknown
• what it's made of
• the pressure
• it is colder than the outer core