Plate Tectonics

At a __________ plate boundary new crust is created as two or more plates pull away from each other.

________________________ are long chains of mountains that rise up from the ocean floor.

• Deep ocean trenches

• Mid ocean ridges

• Transform boundaries

• The Himalayas

Tags

NGSS.MS-ESS2-3

This process adds new material to the ocean floor:

• subduction

• mid ocean ridge

• deep ocean trench

• sea floor spreading

Mid ocean ridges are found at ___________________ boundaries.

• divergent

• convergent

• transform

Tags

NGSS.MS-ESS2-3

Rift valleys are found at ___________________ boundaries.

• divergent

• convergent

• transform

Tags

NGSS.MS-ESS2-3

Mountains are formed when the following two types of crust collide:

• oceanic to oceanic

• continental to oceanic

• continental to continental

Tags

NGSS.MS-ESS2-3

Subduction occurs when the following two types of crust collide:

• oceanic to oceanic

• plates slide past each other

• continental to continental

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Which of the following determines what happens when plates collide?

• the number of people on the plates

• the speed of the plates

• the density of the plates

What is the name of a deep valley or underwater canyon where the oceanic crust sinks back toward the mantle?

• deep ocean trench

• rift valley

• mid ocean ridge

• sea-floor spreading

When a divergent boundary occurs on land a _________, or deep valley will occur.

• deep ocean trench

• mid ocean ridge

• fault

• rift valley

Tags

NGSS.MS-ESS2-2