Earth's Strucutre

Imagine you are drilling a hole from the surface of the Earth. You would encounter the (a)   directly below the crust.

• Crust
• Mantle
• Outer Core
• Inner Core

Imagine you are on a journey to the center of the Earth. After passing through the mantle, you would encounter the (a)   next.

• Crust
• Mantle
• Outer Core
• Inner Core

This layer is the innermost layer of the Earth.

• Crust
• Mantle
• Outer Core
• Inner Core

This layer is the thinnest layer of the Earth and is made of solid rock.

• Crust
• Mantle
• Outer Core
• Inner Core

This layer of the Earth includes areas of soft, thick, flowing rock and areas of more solid rock.

• Crust
• Mantle
• Outer Core
• Inner Core

This layer of the Earth is entirely made of molten (liquid) metal.

• Crust
• Mantle
• Outer Core
• Inner Core

This layer of the Earth is a solid sphere of iron and nickel.

• Crust
• Mantle
• Outer Core
• Inner Core

This layer of the Earth includes all dry land and the ocean floor.

• Crust
• Mantle
• Outer Core
• Inner Core

This layer of the Earth surrounds the inner core.

• Crust
• Mantle
• Outer Core
• Inner Core

Imagine you are a geologist studying Earth's magnetic field. The (a)   layer of the Earth would be of most interest due to its convection currents thought to be responsible for this magnetic field.

• Outer Core
• Mantle
• Crust
• Inner Core