Layers of the Earth Review

What is the outermost layer of the Earth called?

• Mantle

• Crust

• Outer core

• Inner core

Which layer of the Earth is composed mostly of solid rock and is located directly below the crust?

• Mantle

• Outer core

• Inner core

• Lithosphere

The crust and the upper part of the mantle make up the:

• Lithosphere

• Asthenosphere

• Mesosphere

• Thermosphere

Which layer of the Earth is the hottest?

• Crust

• Mantle

• Outer core

• Inner core

The Earth's outer core is made primarily of what state of matter?

• Solid

• Liquid

• Gas

• Plasma

Which layer of the Earth is the thickest?

• Crust

• Mantle

• Outer core

• Inner core

The Earth's inner core is solid due to:

• Low temperatures

• High temperatures but higher pressure

• Magnetic fields

• Chemical composition

Tags

NGSS.MS-PS1-4

Which layer of the Earth generates its magnetic field?

• Crust

• Mantle

• Outer core

• Inner core

The movement of tectonic plates is most closely associated with which layer of the Earth?

• Crust

• Mantle

• Outer core

• Inner core

Tags

NGSS.MS-ESS2-3

What is the main element found in the Earth's core?

• Oxygen

• Silicon

• Iron

• Carbon