Earth's Layers

What is the thinnest layer?

• inner core

• crust

• outer core

• mantle

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

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

Earth's inner core is

• a layer of hot rock
• a solid ball of iron and nickel
• a layer of liquid iron and nickel
• a layer of rock that forms Earth's outer skin
  

Which layer of the earth is a pure liquid?

• crust
• mantle
• outer core
• inner core

The soft layer of rock in the mantle that can act like a liquid and a solid is called the

• core
• asthenosphere
• lithosphere
• crust

The crust and the uppermost mantle make up the solid layer of hard rock called the

• inner core
• asthenosphere
• lithosphere
• outer core

How does temperature change as you move from the crust to the core?

• it gets cooler
• it gets hotter
• it stays the same
• the core is frozen

Which layer of Earth is located above the outer core?

• crust
• inner core
• mantle
• lithosphere

Which of these two layers is a solid?

• innercore
• Outercore

The driving force of the tectonic plates are convection currents, where can these be found?

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