Exploring Earth's Layers

What is the outermost layer of the Earth called?

• Crust

• Mantle

• Lithosphere

• Core

Name the layer of the Earth that is made of liquid rock.

• inner core

• mantle

• outer core

• crust

What is the solid inner part of the Earth called?

• mantle

• crust

• inner core

• outer core

Which layer of the Earth is responsible for tectonic activity?

• Asthenosphere

• Mantle

• Outer Core

• Lithosphere

How many main layers does the Earth have?

• 5

• 3

• 4

• 2