Plate Tectonics Final

Front

What is the boundary where crust is neither consumed nor created?

Back

Transform boundary.

Front

What is the driving force behind the movement of tectonic plates?

Back

Convection currents in the mantle.

Front

The earth's plates float on which layer?

Back

Asthenosphere.

Front

What is the area called where oceanic crust goes beneath continental crust?

Back

Subduction zone.

Front

Where do the majority of the world's earthquakes and volcanoes occur?

Back

Convergent boundaries.

Front

What are the three main types of plate boundaries?

Back

Divergent, convergent, and transform boundaries.

Front

What happens at a divergent boundary?

Back

Plates move apart, creating new crust.

Front

What occurs at a convergent boundary?

Back

Plates collide, leading to subduction or mountain formation.

Front

What is the lithosphere?

Back

The rigid outer layer of the Earth, including the crust and upper mantle.

Front

What is the asthenosphere?

Back

The semi-fluid layer beneath the lithosphere that allows tectonic plates to move.