Unit 6, 7 and 9 quiz

The thinnest layer of the Earth is the ___________.

• mantle
• crust
• core

What is the thickest layer of the Earth?

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

What is the top layer of the Earth's surface called? 

• Mantle
• Innercore
• Outercore
• Crust

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

The partially melted portion of the mantle below the lithosphere

• mantle
• core
• crust
• asthenosphere

Convection currents occur in the _____________________

• Crust

• Lithosphere

• Inner core

• Asthenosphere

Identify each layer - #15.

• Lithosphere
• Mantle
• Crust
• Asthenosphere

The lithosphere combines what two layers?

• Athenosphere & Crust

• Crust & Upper Mantle

• Mantle & Athenosphere

Which layer of Earth is located above the outer core?

• crust
• inner core
• mantle
• lithosphere

Which layer of Earth is characterized by rock that is plastic, or soft enough to flow?

• asthenosphere
• crust
• lithosphere
• inner core