Plate Tectonics Flashcard (Unit 9)

Front

What physical land feature forms at an oceanic-oceanic plate convergence?

Back

Volcanic island arc

Front

What is the boundary between two plates that are sliding past each other called?

Back

Transform boundary

Front

What happens to the density of the new seafloor as it cools?

Back

It gets more dense the older it gets.

Front

Which geological feature can ONLY happen on a DIVERGENT BOUNDARY?

Back

Rift Valley

Front

What type of boundary is characterized by long faults and shallow earthquakes?

Back

Transform boundaries.

Front

What is the primary driving force behind plate tectonics?

Back

Convection currents in the mantle.

Front

What type of plate boundary is associated with the creation of new oceanic crust?

Back

Divergent boundary.

Front

What geological feature is formed at a continental-continental plate convergence?

Back

Mountain ranges.

Front

What is the term for the process by which one tectonic plate moves under another?

Back

Subduction.

Front

What type of boundary occurs when two plates collide?

Back

Convergent boundary.