Unit 3: Plate Tectonics Review

Which layer of the Earth contains liquid iron and nickel?

• Asthenosphere

• Crust

• Lithosphere

• Outer Core

In the mantle, specifically the asthenosphere, ___________ occurs, causing the movement of Earth's plates at the surface.

• Hot spots

• Convection Currents

• Plate Boundaries

• Seismic Waves

Tags

NGSS.MS-ESS2-3

Where is Earth's temperature the coolest?

• A

• B

• C

• D

Where is Earth's density the greatest?

• A

• B

• C

• D

In which layer do convection currents occur?

• A

• B

• C

• D

What layer do S waves not travel through?

• A

• B

• C

• D

This layer consists of our crust in addition to the upper mantle, a rigid rocky layer

• asthenosphere

• inner core

• lithosphere

• mesosphere

Choose ALL that apply: Continental crust is ____________ than oceanic crust

• denser

• less dense

• thicker

• thinner

Which of the following correctly orders the given layers of the Earth from Earth's surface to the center?

• Outer core, lithosphere, mantle

• Inner Core, outer core, asthenosphere

• Asthenosphere, outer core, inner core

• none of the above

The supercontinents theorized by Wegener was called...

• Laurasia

• Gondwanaland

• Hessener

• Pangaea