Earth's Layers Summative Assessment

How does the density of the earth's inner core compare to other layers?

• It is the most dense layer of the earth

• It is the least dense layer of the earth

• The core is only less dense than the crust

• The core is only less dense than the mantle

How is the crust DIFFERENT from the other layers of the Earth?

• It is hotter.

• It is thinner.

• It is mostly liquid.

• It is under pressure.

What is the thickest layer?

• Crust

• Mantle

• Outer Core

• Inner Core

Which layer is the only liquid layer?

• Crust

• Mantle

• Outer Core

• Inner Core

Which layer is made of solid Iron and nickel?

• Crust

• Mantle

• Outer Core

• Inner Core

Which layer is made of liquid iron and nickel?

• Crust

• Mantle

• Outer Core

• Inner Core

The Lithosphere is made up of the ___________.

• Crust and Upper Mantle

• Inner and Outer Cores

• Outer Core and Lower Mantle

• Lower and Middle Mantle

What are convection currents?

• the cycle of heated rock or metal rising, and cooling rock or metal falling.

• the cycle of cooling rock or metal rising, and heated rock or metal falling.

• an electric current found in the mantle.

• and electric current found in the outer core.

Tags

NGSS.MS-ESS2-1

What is the Asthenosphere?

• an elastic substance on which the tectonic plates float.

• the air that we breathe.

• another name for a globe.

• the hard inner core

Tags

NGSS.MS-ESS2-3

As you travel from the inner core to the crust, how would temperature, pressure and density of the material change?

• The would all increase
• The would all decrease.
• Nothing, the layers are made of the same material throughout
• Temperature would decrease, but pressure and density would increase

Tags

NGSS.MS-PS1-4