6.E.2.1, .2

Which best describes Earth’s crust?

• It is stationary and unable to move

• It is thicker than the mantle and the core

• It is located between the outer and the inner core

• It is composed of continental and oceanic plates

Which is the correct order of earth’s four layers from the innermost layer to the outermost layer?

• Mantle, Outer core, Inner core, Crust

• Crust, Mantle, Inner Core, Outer Core

• Mantle, Core, Inner core, Outer Core

• Inner core, Outer core, Mantle, Crust

The Earth’s inner core is solid because….

• it is made of metal.

• of Earth’s rotation.

• it is under extreme pressure.

• of the magnetic field.

The least dense layer on Earth is located in the:

• inner core

• outer core

• mantle

• crust

Liquid in the _________ produces Earth's magnetic field.

• outer core

• inner core

• mantle

• crust

The Earth is mainly made of

• rock

• oxygen

• atmosphere

What is the layer that surrounds the Earth called?

• asthenosphere

• atmosphere

• lithosphere

Earth's inner and outer core are both

• parts of the molten mantle

• made up of hot metals

• outer layers of the Earth

How do Earth's crust and mantle differ?

• The crust is much thinner and less dense than the mantle

• The crust is much thinner and denser than the mantle

• The mantle is much thicker and less dense than the crust

• The mantle is much thinner and denser than the crust

Earth's rigid outer layer, which includes the crust and the very top of the mantle, is called the

• lithospere

• outer core

• continent