Earth's Layers and Continental Drift Practice Test

Earth's thinnest layer.

• inner core

• asthenopshere

• crust

• lower mantle

The layer made of solid rock which makes up 85% of Earth's volume.

• mantle

• asthenosphere

• oceanic crust

• outer core

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS1-4

The liquid portion of Earth's layers.

• lithosphere

• asthenosphere

• mantle

• outer core

What layer of Earth represents "X"?

• mesosphere

• lithosphere

• thermosphere

• stratosphere

What is true about the asthenosphere?

• It is part of oceanic crust

• It is the only liquid portion of Earth's interior.

• It is less dense than the lithosphere

• It contains "plastic" rock

What layer(s) of the cake would represent the lithophere?

• icing

• cake mix

• plate

• icing and cake mix

Which letter represents the liquid iron and nickel outer core?

• A

• B

• C

• D

In which layer of the Earth would you find convection currents?

• A. crust

• B. mantle

• C. outer core

• D. Both B and C

Check all that apply to convection currents.

• Occurs in the mantle

• Occurs in the outer core

• Hot liquid rock rises

• Cooler rock sinks

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-1

What causes Earth's magnetic field?

• radiation and solar wind from the sun

• basalt in the oceanic crust

• convection of iron and nickel in the mantle

• the volume of iron and nickel around north and south poles