APES Unit 4 Review

Front

What is subduction?

Back

The process by which the ocean floor sinks beneath a deep-ocean trench and back into the mantle.

Front

What is a convergent boundary?

Back

A type of plate boundary where two plates come together.

Front

What geological event is commonly associated with convergent boundaries?

Back

Earthquakes.

Front

What characterizes a transform plate boundary?

Back

The plates are the same age.

Front

What happens at a subduction zone?

Back

The denser oceanic crust subducts under the less dense continental crust.

Front

What is a divergent boundary?

Back

A type of plate boundary where two plates move away from each other.

Front

What geological feature is commonly formed at divergent boundaries?

Back

Mid-ocean ridges.

Front

What is the primary cause of tectonic plate movement?

Back

Convection currents in the mantle.

Front

What is the Ring of Fire?

Back

A major area in the basin of the Pacific Ocean where a large number of earthquakes and volcanic eruptions occur.

Front

What is a transform fault?

Back

A fault along which two tectonic plates slide past each other.