Layers of Earth- What is under your feet

What is the name of the deepest hole ever drilled by humans?

• Mariana Trench

• Kola Superdeep Borehole

• Challenger Deep

• Mohole Project

How does the Earth's mantle behave?

• It is a completely liquid layer that flows rapidly.

• It is a solid layer that does not move.

• It is made of hot rock that appears solid but flows very slowly.

• It is a gaseous layer that causes volcanic eruptions.

What is the outer core primarily composed of, and what important function does its motion serve?

• Solid rock; it generates heat for the Earth's interior.

• Flowing iron and nickel; it creates a magnetic field that protects Earth from solar rays.

• Molten silicon and oxygen; it causes volcanic activity.

• Crystallized metals; it stabilizes the Earth's rotation.

What are the four main layers of the Earth, starting from the outermost layer?

• Crust, Mantle, Outer Core, Inner Core

• Mantle, Crust, Outer Core, Inner Core

• Crust, Outer Core, Inner Core, Mantle

• Inner Core, Outer Core, Mantle, Crust