Layers of the Earth

Which layer is made of solid Iron and nickel?

• Crust

• Mantle

• Outer Core

• Inner Core

Which layer of the Earth is the THINNEST?

• crust

• mantle

• outer core

• inner core

Which layer of Earth has the GREATEST density?

• crust
• mantle
• outer core
• inner core

Which layer is the only liquid layer?

• Crust

• Mantle

• Outer Core

• Inner Core

What are the two sublayers making up the CRUST?

• Lithosphere, Asthenosphere

• Lithosphere, Oceanic

• Asthenosphere, Continental

• Oceanic, Continental

Which layer of the Earth is the THICKEST?

• crust

• mantle

• outer core

• inner core

What is the coolest layer?

• Crust

• Mantle

• Outer Core

• Inner Core

What is the correct order (starting from the surface) of Earth's layers?

• crust, outer core, inner core, mantle
• mantle, outer core, inner core, crust
• crust, mantle, outer core, inner core
• outer core, inner core, crust, mantle

Which layer is shown in red?

• crust

• mantle

• outer core

• inner core

If we can't travel to the center of the Earth, how do we know so much about it?

• Seismic waves, made by earthquakes and volcanoes

• special camera scopes sent through all the layers of the earth

• very long thermometers that can reach to the inner core

• super powerful x-rays