Earth's Structure

Which layer is a dense, solid ball of metal?

• Crust
• Mantle
• Inner Core
• Outer Core

Which layer is solid; made of dry land and ocean floor?

• Crust
• Mantle
• Outer Core
• Inner Core

Which layer is molten (liquid) metal of iron and nickel?

• Crust
• Mantle
• Outer Core
• Inner Core

Which layer is the thickest and made of hot solid rock that can bend?

• Crust
• Mantle
• Outer Core
• Inner Core

A thin layer of gases that forms around Earth's outermost layer is called the _____?

• Geosphere
• Hydrosphere
• Atmosphere
• Biosphere

Scientists think that the _______, made of liquid iron and nickel, moves to produce Earth's magnetic field.

• Crust
• Mantle
• Outer Core
• Inner Core

The lithosphere is made up of

• the mantle and core

• the lower mantle and outer core

• the mantle and the crust

• the upper mantle and the crust

The two types of crust

• Oceanic and Convergent

• Oceanic and Continental

• Continental and Lithospheric

• Convergent and Lithospheric

Which is the thinnest layer of Earth?

• Inner Core

• Outer Core

• Mantle

• Crust

As you go deeper into Earth

• pressure increases

• pressure decreases

• pressure does not change