Earth's Structure Quiz

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

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

What is the crust made of?

• hydrogen and helium
• silicon and oxygen
• calcium and hydrogen

The crust on land is called the ______.

• Oceanic Crust
• Upper Mantle
• Continental Crust

The Earth's core is made primarily of titanium.

• True
• False

Where is the Earth's crust the thickest?

• Mountains
• Ocean
• Equator

Out of all the layers, which one would be the easiest for us to drill through?

• Core
• Mantle
• Crust

The deeper into Earth you go the...

• Greater the pressure
• Less pressure
• pressure remains the same

What are the 3 layers of the Mantle

• lithosphere, asthenosphere, mesosphere
• basalt, granite, igneous
• crust, mantle, core

What layer of the mantle has convection currents?

• Lithposphere
• Asthenosphere
• Mesosphere

Earth's inner core is

• a solid ball of iron and nickel
• a layer of liquid iron and nickel
• a layer of hot rock