Earth's Layers and Sedimentary Rocks Review

What are the three main (compositional) layers of the Earth?

• Crust, Mantle, Core

• 
  Inner Core, Outer Core, Crust

• Lithosphere, Asthenosphere, Mesosphere

• Mantle, Outer Core, Inner Core

The hottest layer of the Earth is:

• 
  Crust

• 
  Outer Core

• 
  Mantle

• 
  Inner Core

The outermost layer of the Earth is called:

• 
  Mantle

• 
  Crust

• 
  Core

• 
  Inner Core

The lithosphere is a rigid outer layer of the Earth. What does it include?

• 
  Only the crust

• 
  Only the upper mantle

• 
  The crust and the upper mantle

• The entire mantle

The thickest layer of the Earth is:

• 
  Crust

• 
  Outer Core

• 
  Mantle

• 
  Inner Core

What is the main characteristic of the inner core?

• 
  It is liquid and composed mainly of iron and nickel.

• It is gaseous and composed mainly of hydrogen and helium.

• It is solid and composed mainly of iron and nickel.

• 
  It is semi-solid and composed mainly of silicon and oxygen.

Convection in the mantle occurs due to:

• 
  Hot material rises toward the Lithosphere, cools, and then sinks lower in the Mantle, creating a cycle that drives plate movements.

• 
  Hot air rises, and cool air sinks

• Hot material sinks toward the Core, cools, then rises toward the Crust

• Convection does not occur in the Mantle, only the Core

Tags

NGSS.MS-ESS2-1

The difference between the outer core and the inner core in terms of state and composition is:

• 
  The outer core is solid and composed mainly of iron and nickel, while the inner core is liquid and composed mainly of iron and sulfur.

• The outer core is solid and composed mainly of iron and sulfur, while the inner core is liquid and composed mainly of iron and nickel.

• 
  The outer core is liquid and composed mainly of iron and nickel, while the inner core is solid and composed mainly of iron and nickel.

• 
  The outer core is liquid and composed mainly of iron and sulfur, while the inner core is solid and composed mainly of iron and nickel.

The thinnest layer of the Earth is:

• 
  Crust

• 
  Outer Core

• 
  Mantle

• Inner Core

The processes that form sedimentary rocks are:

• 
  pressure and heat

• 
  compaction and cementation

• 
  melting and cooling

• 
  glue and heat