Plate Tectonics

In sea-floor spreading, molten material rises from the mantle and erupts

• along the edges of all the continents.

• along mid-ocean ridges.

• in deep-ocean trenches.

• at the north and south poles.

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

The process by which the ocean floor sinks beneath a deep-ocean trench and back into the mantle is known as _______

• convection.

• continental drift.

• subduction.

• conduction.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Most geologists think that the movement of Earth’s plates is caused by _______

• convection.

• continental drift.

• subduction.

• conduction.

The place where two plates come together is known as a _______

• transform boundary.

• divergent boundary.

• convergent boundary.

• rift valley.

Tags

NGSS.MS-ESS2-3

The San Andreas Fault in California is known as an active earthquake area. What type of

boundary is it?

• Converging

• Diverging

• Transform

• Sea Floor Spreading

Tags

NGSS.MS-ESS2-3

What are the two types of crust

• continental and oceanic
• ocean and upper
• lower and upper
• pizza and subway

Mantle convection is the very slow creeping motion of Earth’s solid silicate mantle caused by convection currents carrying heat from the interior to the planet's surface.

• Lithosphere

• Earthquake

• Convection Currents

• Core

Tags

NGSS.MS-ESS2-1

Crustal plates that pull apart from one another MOST likely form

• volcanic island arcs

• strike-slip faults

• oceanic trenches

• rift zones

Tags

NGSS.MS-ESS2-3

In the region where two continental plates collide, what geological feature MOST often forms?

• an ocean

• a volcano

• a river valley

• a mountain chain

Tags

NGSS.MS-ESS2-2

A plate boundary at which two plate move parallel to each other in opposite directions

• convergent plate boundary
• divergent plate boundary
• transform plate boundary
• subduction