Plate Boundries Flashcards
When do plate boundaries occur?
when 2 plates meet
What are the different kinds of plate boundaries called?
Convergent, Divergent, Transform plate boundaries.
When do Convergent plate boundaries occur?
When 2 plates move towards each other.
What land features do convergent plate boundaries make?
mountain ranges, volcanoes and earthquakes
When does subduction occur?
when a dense oceanic plate collides with another plate and sinks under that plate.
When do deep ocean trenches occur?
Trenches are formed through subduction, which occurs when tectonic plates collide and push one plate beneath the other.
When do Divergent plate boudaries occur?
when two plates move away from each other
What land features do divergent plate boundaries make?
mid-ocean ridges, rift valleys, and earthquakes
How does sea floor spreading occur on divergent plate boundaries?
New rock is at the mid ocean ridge as molten material rises from the mantle
When does Transform plate boundaries occur?
It occurs when 2 plates slide past each other
What’s another name for plate boundries?
A fault
What is it called when you have a convergent plate boundary and it’s continent combined with a continent?
mountain range
What is it called when you have a convergent plate boundary and it’s continent combined with oceanic?
ocean trench/volcano
What is it called when you have a convergent plate boundary and it’s oceanic combined with oceanic?
ocean trench
convergent/oceanic-oceanic
ocean trench
