Earth Layers & Convection Currents

What is the outermost layer of earth?

• inner core
• outer core
• mantle
• crust

This layer of Earth is solid iron and nickel

• Outer Core

• Mantle

• Inner Core

• Crust

The liquid portion at the center of the Earth.

• Asthenosphere
• Inner Core
• Outer Core
• Lithosphere

The lithosphere is made up of which two layers?

• Upper and Lower Mantle
• Upper Mantle and Crust
• Core and Mantle
• Crust and Uppermost Mantle

Which layer is the thinnest, least dense and most brittle?

• Mantle
• Inner Core
• Crust
• Outer Core

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

• Asthenosphere
• Mesosphere
• Lithosphere
• Transosphere

This layer of Earth is the thickest part

• crust
• outer core
• mantle
• inner core

Is the outer core solid or liquid?

• solid

• liquid

Identify layer  #20.

• mantle
• pizza crust
• inner core
• outer core

Which layer is made of the most solid rock?

• inner core
• outer core
• mantle
• crust