Layers of the Earth

What is the outermost layer of the Earth called?

• atmosphere

• core

• crust

• mantle

Which layer of the Earth is made up of solid rock?

• ocean

• mantle

• crust

• atmosphere

What is the thinnest layer of the Earth?

• Mantle

• Inner core

• Outer core

• Crust

Which layer of the Earth is composed of molten iron and nickel?

• Mantle

• Outer core

• Inner core

• Crust

What is the temperature of the inner core of the Earth?

• 100 degrees Celsius

• 10,000 degrees Celsius

• 3,000 degrees Celsius

• 5,700 degrees Celsius

Which layer of the Earth is divided into tectonic plates?

• lithosphere

• Outer core

• Crust

• Mantle

What is the thickness of the Earth's crust?

• 30-50 kilometers (18-31 miles)

• 100-150 kilometers (62-93 miles)

• 10-20 kilometers (6-12 miles)

• 200-250 kilometers (124-155 miles)

Which layer of the Earth is responsible for generating the magnetic field?

• Mantle

• Outer core

• Inner core

• Crust

What is the state of matter of the outer core of the Earth?

• Plasma

• Liquid

• Solid

• Gas

Which layer of the Earth is the hottest?

• Outer core

• Mantle

• Crust

• Inner core