Convection Currents and Plate Tectonics

A Plate Boundary where two plates move toward each other is called

• Convergent Boundary
• Divergent Boundary
• Transform Boundary
• Subduction

A plate boundary where two plates move away from each other is called

• Divergent Boundary
• Convergent Boundary
• Transform Boundary
• Subduction

Convergent Plate Movement can create

• Rifts
• Mountains
• Ocean Ridges
• Radiation

This image represents this type of boundary

• Divergent
• Transform
• Convergent
• Subduction

 A land feature that is produced at a convergent boundary is

• a valley
• an ocean
• a canyon
• a volcano

Observe this diagram of a plate boundary. One statement BEST describes what is happening. It is that

• the oceanic crust is melting.

• the denser ceanic crust is subducting under the less dense oceanic crust

• volcanic islands are forming.

• the tectonic plates are moving away from each other.

What geological forces might be responsible for this range of mountains?

• diverging tectonic plates
• erosion of the land by the ocean
• converging tectonic plates
• deposition of sediments by the ocean
  

Tags

NGSS.MS-ESS2-2

The image shows the Pacific Ring of Fire, a region of high tectonic activity. What evidence supports the theory that the tectonic activity of the region is due to the subduction of tectonic plates?

• The region is bound by many oceanic trenches.
• North America seems to be colliding with Asia at the north of the ring.
• The Asia-Pacific region is dotted by many small and large islands
• The landmasses look like they would fit together like the pieces of a jigsaw puzzle.
  

Which cross-sectional diagram of a portion of the crust and

mantle best shows the pattern of mantle convection currents, that are believed to cause the formation of a mid-ocean ridge, a deep ocean trench?

• 1

• 2

• 3

• 4

Where do convection cycles happen?

• core

• mantle

• crust

Tags

NGSS.MS-ESS2-1