Boundaries
What are the three types of boundaries?
This scientist proposed the theory of continental drift, stating that the continents were once a part of a supercontinent.
Who is Alfred Wegener?
What is a trench?
What are the two types of crust?
What is oceanic and continental?
What is the driving force causing the tectonic plates to move?
What is convergent plate boundaries.
This scientist proposed the theory of sea-floor spreading.
Who is Henry Hess?
Natural disaster caused by transform plate boundaries
What are earthquakes?
This type of crust is found beneath oceans
Oceanic crust
When molten rock is heated, in what direction does it move?
What is up?
What is divergent plate boundaries
This theory states that the Earth's crust is divided into 7 major plates and several smaller ones.
What is the theory of plate tectonics?
Landform caused by continental to continental convergent plate boundaries
What are mountains?
This type of crust is found below continents
What is continental crust?
When molten rock cools, in what direction does it move?
What is down?
This happens when two plates slide past each other.
What is transform plate boundaries?
This theory states that the continents were once together and eventually moved to form the continents we know today
What is the theory of continental drift?
Landform caused by divergent plate boundaries
What are rift valleys?
What layer of Earth is broken into several tectonic plates?
What is the crust?
What vocabulary word means "to sink"?
What is subduction?
This type of plate boundary creates crust.
What is divergent plate boundaries.
The name of the supercontinent believed to exist 15 millions years ago
What is Pangea?
What are faults?
What layer is made of molten rock?
What is the mantle?
When oceanic crust collides with continental crust, which crust subducts/sinks?
What is oceanic crust?