8.9B - Crustal Features

Front

What is a divergent boundary?

Back

A divergent boundary is a tectonic plate boundary where two plates move away from each other, often resulting in the formation of new crust, such as mid-ocean ridges.

Front

What occurs at a mid-ocean ridge?

Back

At a mid-ocean ridge, tectonic plates are moving apart, allowing magma to rise and create new oceanic crust.

Front

What type of geological event is commonly associated with divergent boundaries?

Back

Earthquakes can occur at divergent boundaries due to the movement of tectonic plates.

Front

What is a transform boundary?

Back

A transform boundary is a type of tectonic plate boundary where two plates slide past one another, causing friction and earthquakes.

Front

What is the San Andreas Fault?

Back

The San Andreas Fault is a transform fault located in California, known for its significant seismic activity.

Front

What happens at a convergent boundary?

Back

At a convergent boundary, two tectonic plates move towards each other, which can lead to subduction, mountain building, or volcanic activity.

Front

What is subduction?

Back

Subduction is the process where one tectonic plate moves under another and sinks into the mantle, often creating deep ocean trenches.

Front

What type of boundary is associated with mountain building?

Back

Convergent boundaries are associated with mountain building as tectonic plates collide and push upwards.

Front

What is the primary cause of earthquakes?

Back

Earthquakes are primarily caused by the sudden release of energy in the Earth's crust due to tectonic plate movements.

Front

What is a volcano?

Back

A volcano is an opening in the Earth's crust through which molten rock, ash, and gases can escape from below the surface.