These are the two types of crust that make up Earth's lithosphere
what are continental and oceanic?
Describe seafloor spreading
what is the formation of new crust?
how transform plates move
what is past each other?
Convergent plate boundaries cause Earth's crust to be
What is destroyed?
The theory that the plates are constantly moving around the globe.
what is continental drift?
Define Geology
what is the study of earth?
divergent plates move ___________
what is in different directions?
transform boundaries are found along these
What are faults?
This driving force causes convergent boundaries move towards each other
What are convention currents?
The name of the supercontinent that began to break up 250 million years ago
What is Pangea?
These are the three types of plate boundaries
what are convergent, transform, and divergent?
Landform made when two oceanic plates move away from each other
what is midocean ridge?
Movement along transform boundaries result in this event
What are earthquakes?
Two continental plates converging create this amazing geologic feature
What are mountains?
The gentleman first named the theory of continental drift
Who is Alfred Wegener?
This layer of Earth is where convection currents move the lithospheric plates
What is the asthenosphere?
what happens when divergent boundaries separate
what is magma rising, new crust cooling and forming?
A major fault on the west coast of California
What is the San Andreas Fault?
At a continental-oceanic convergent plate boundaries, one plate sinks beneath another plate due to
What is higher density?
Over time, as the theory of Continental Drift became more accepted, the theory was renamed to this.
What is Plate Tectonics?
The mantle movement due to density differences causing plate movement
What are convection currents?
forces that act on divergent boundaries
what is constructive forces?
Transform boundaries cause this type of force on Earth's crust
What is destructive?
At oceanic-oceanic and oceanic-continental convergent plate boundaries, one plate sink beneath another during a process called
What is subduction?
This force causes the plates to constantly move about the Earth
What is convection currents?