Earth Layers Quiz

Which layer of the Earth is the hottest?

• Crust

• Mantle

• Outer core

• Inner core

What is the Earth outermost layer called?

• Core

• Mantle

• Crust

• Lithosphere

Which layer of the Earth is responsible for plate tectonics?

• Inner core

• Asthenosphere

• Outer core

• Mesosphere

The Earth core is primarily composed of which two metals?

• Iron and nickel

• Iron and magnesium

• Nickel and aluminum

• Copper and zinc

Which layer of the Earth contains convection currents that drive plate movement?

• Crust

• Mantle

• Outer core

• Inner core

Which layer of the Earth is liquid?

• Crust

• Mantle

• Outer core

• Inner core

What is the Earth lithosphere composed of?

• Crust only

• Mantle only

• Crust and upper mantle

• Outer core and mantle

Which layer of the Earth generates Earth’s magnetic field?

• Inner core

• Mantle

• Crust

• Outer core

What is the thickest layer of the Earth?

• Crust

• Mantle

• Outer core

• Inner core

Which statement about the Earth’s crust is true?

• It is the densest layer of Earth.

• It is thicker under oceans than continents.

• It is made primarily of solid rock.

• It is hotter than the mantle.