Review

This solid layer of the earth is made of mostly iron and nickel.

• Crust

• Inner Core

• Mantle

• Outer Core

Approximately 225 million years ago, the earth's continents were grouped into one landmass called what?

• Europa

• Jurassic

• Pangaea

• Pangaea Ultima

What is the earth's outermost layer?

• Crust

• Lithosphere

• Mantle

• Outer Core

Which of the earth's layers is broken into several large tectonic plates?

• Asthenosphere

• Crust

• Lithosphere

• Outer Core

Which of these layers is found directly above the earth's core?

• Asthenosphere

• Inner Core

• Mantle

• Outer Core

The tectonic plates float on which semiliquid layer?

• Asthenosphere

• Crust

• Inner Core

• Lithosphere

What is the earth's only liquid layer?

• Asthenosphere

• Inner Core

• Mantle

• Outer Core

The layers of Earth are:

• hydrosphere, atmosphere, troposphere, outer core and inner core

• stratosphere, ionosphere, troposphere, outer core and inner core

• crust, mantle, outer core and inner core

• tectonic plates, faults, lithosphere and core

The portion of Earth underneath the crust containing the asthenosphere and the mesosphere is the what?

• mantle

• core

• tsunami

• magma

The outer layer of Earth's crust is made up of huge pieces of rock called what?

• faults

• tectonic plates

• magma

• tsunamis