Earth's Layers Quiz

Which layer of the Earth is the hottest?

• Inner core

• Outer core

• Mantle

• Crust

What is the only liquid layer of the Earth's interior?

• Mesosphere

• Lithosphere

• Asthenosphere

• Outer core

What is the lower part of the mantle that is just above the outer core?

• Asthenosphere

• Lithosphere

• Mesosphere

• Inner core

Which layer of the Earth is made of nickel and iron?

• Mesosphere

• Crust

• Inner core

• Outer core

Where is the asthenosphere located?

• In the outer core

• In the crust

• Above the inner core

• Beneath the lithosphere

What makes up about 68 percent of Earth's mass and about 84% of its volume?

• Crust

• Inner core

• Outer core

• Mantle

What is the solid layer made up of the crust and the upper part of the mantle?

• Mesosphere

• Asthenosphere

• Lithosphere

• Outer core

What is divided into giant pieces known as tectonic plates?

• Inner core

• Mantle

• Lithosphere

• Asthenosphere

Where is the mesosphere located?

• In the crust

• Beneath the asthenosphere

• Above the inner core

• In the outer core

What is the thinnest layer and the outermost solid surface of the Earth?

• Inner core

• Outer core

• Mantle

• Crust