Earth's Layers Quiz

Which layer of the Earth is the outermost layer?

• Mantle

• Crust

• Outer Core

• Inner Core

What is the thickest layer of the Earth?

• Crust

• Mantle

• Outer Core

• Inner Core

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

• Crust

• Mantle

• Outer Core

• Inner Core

What is the state of matter of the Earth's inner core?

• Solid

• Liquid

• Gas

• Plasma

Which layer of the Earth is responsible for the generation of the Earth's magnetic field?

• Crust

• Mantle

• Outer Core

• Inner Core

What is the approximate thickness of the Earth's crust?

• 5-10 km

• 30-50 km

• 70-100 km

• 100-200 km

Which layer of the Earth is directly below the crust?

• Inner Core

• Outer Core

• Mantle

• Lithosphere

What is the main component of the Earth's mantle?

• Silicate rocks

• Iron

• Nickel

• Carbon

Which layer of the Earth is the hottest?

• Crust

• Mantle

• Outer Core

• Inner Core

What is the approximate temperature of the Earth's inner core?

• 500°C

• 1500°C

• 3000°C

• 5000°C