Earth Layers Quiz

What is the outermost layer of the Earth called?

• Mantle

• Inner core

• Outer core

• Crust

Which layer of the Earth is the hottest part?

• Crust

• Mantle

• Outer core

• Inner core

What is the mantle primarily made up of?

• Solid rock

• Liquid rock

• Semi-molten rock called magma

• Iron and nickel

What is the approximate thickness of the mantle?

• 60 km

• 2,900 km

• 5,500 km

• 1,000 km

What are the two types of crust?

• Continental crust and oceanic crust

• Inner crust and outer crust

• Solid crust and liquid crust

• Upper crust and lower crust

What is the outer core of the Earth made of?

• Solid rock

• Semi-molten rock

• Iron and nickel

• Water