Semester 2 Study Guide: Earth Structures

In which layer of Earth is the convection currents that directly result in tectonic plate motion found?

• 1

• 2

• 3

• 4

At a divergent boundary, tectonic plates come together.

• True

• False

The process by which molten material adds new oceanic crust to the ocean floor

• Continental drift

• Seafloor spreading

• Plate tectonics

• Rift valley

How do pressure and temperature change inside Earth as depth increases?

• Pressure and temperature decrease

• Pressure increases; temperature decreases

• Pressure decreases; temperature increases

• Pressure and temperature increase

Which is most likely to occur at a transform boundary?

• Mountain formation

• Earthquake

• Volcano

• Rift valley

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS3-2

Which number represents the only liquid layer of the Earth?

• 1

• 2

• 3

• 4

Which type of plate boundary is shown at B? (Pay close attention to the arrows)

• Convergent boundary

• Divergent boundary

• Transform boundary

• Fractured boundary

Tags

NGSS.MS-ESS2-3

The Earth’s internal process which drives seafloor spreading is

• Fusion

• Radiation

• Convection

• Conduction

Tags

NGSS.MS-ESS2-3

What is the correct order (starting from the surface) of Earth’s layers?

• crust, outer core, inner core, mantle

• mantle, outer core, inner core, crust

• crust, mantle, outer core, inner core

• outer core, inner core, crust, mantle

The name of the supercontinent that formed around 250 million years ago

• Eurasia

• Gondwana

• Africa

• Pangea

Tags

NGSS.MS-ESS2-2

NGSS.MS-LS4-1