tectonic plates
What are tectonic plates?
Large pieces of Earth's lithosphere that move over the asthenosphere
Which is the largest tectonic plate?
Pacific Plate
What is the name of the boundary where two tectonic plates move apart?
Divergent boundary
What type of tectonic plate boundary is associated with earthquakes but not volcanoes?
Transform boundary
What happens at a convergent boundary?
Plates collide or one plate is forced under another
Which layer of Earth do tectonic plates float on?
Asthenosphere
What type of boundary forms a mid-ocean ridge?
Divergent boundary
What is subduction?
The process where one tectonic plate is forced under another
Which type of boundary is most likely to create a mountain range?
Convergent boundary
What is the primary cause of tectonic plate movement?
Convection currents in the mantle