Layers of the Earth

What is the outermost layer of the Earth?

• Mantle

• Crust

• Inner Core

• Outer Core

Which type of crust is found under the world's ocean?

• Continental Crust

• Magma Crust

• Oceanic Crust

• Solid Crust

How thick is the oceanic crust on average?

• 5 kilometers

• 35 kilometers

• 2,900 kilometers

• 5,200 kilometers

What is the thickest layer of the Earth?

• Crust

• Mantle

• Outer Core

• Inner Core

What is the temperature in the mantle?

• 400 degrees Celsius

• 1,000 degrees Celsius

• 4,000 degrees Celsius

• 6,000 degrees Celsius

What is the main metal found in the outer core?

• Iron

• Nickel

• Gold

• Silver

What is the depth of the outer core?

• 2,900 kilometers

• 5,200 kilometers

• 35 kilometers

• 5 kilometers

What is the deepest layer of the Earth?

• Crust

• Mantle

• Outer Core

• Inner Core

What is the state of metal in the inner core?

• Liquid

• Solid

• Gas

• Plasma

What is the process called where warm things rise and cold things sink?

• Convection

• Evaporation

• Condensation

• Sublimation