Wegener's Theory
Plate motion and Boundaries
Faults and Folds
Hmmm
Vocabulary
100
___________ was an ancient continent that contained all the landmasses.
What is Pangaea?
100
The San Andreas fault is an example of _________ boundary.
What is transform boundary?
100
In a _________ fault, the hanging wall moves down relative to the footwall.
What is normal fault?
100
_____________ is the part of the Earth that is liquid.
What is outer core?
100
___________ are underwater mountain chains that run through the Earth's ocean basins.
What is mid ocean ridges?
200
Continental Drift theory suggests that at 245 million years ago a single landmass was surrounded by a sea called ___________.
What is Panthalassa?
200
Mid-ocean ridges are associated with _________ boundaries.
What is divergent boundary?
200
A _________ mountain is formed by huge sections of the Earth's crust being pushed up into anticlines and synclines.
What is folded mountain?
200
Anticlines and synclines are the result of _________ .
What is folding?
200
___________ is the process by which new oceanic lithosphere is created as older materials are pulled away.
What is Sea floor spreading?
300
___________ and ___________ were the 2 big pieces of land that broke away from Pangaea.
What is Gondwana and Laurasia
300
_________ is the process by which an oceanic plate slides down the lithosphere-asthenosphere boundary.
What is ridge push?
300
_________ is a type of fault in which the hanging wall moves up relative to the footwall.
What is reverse fault?
300
___________ is the part of the Earth on which the tectonic plates are able to move.
What is asthenosphere?
300
True/False - When horizontal stress acts on a rock, monoclines form.
What is false. - synclines and anticlines form.
400
___________ is a theory that continents can drift apart from one another.
What is Continental Drift?
400
_________ is the process in which an oceanic plate sinks and pulls the rest of the tectonic plate with it.
What is slab pull?
400
_________ is a type of fault that often occurs when opposing forces cause rock to break and move horizontally.
What is strike slip fault?
400
_________ mountains are sharp, jagged peaks, that are produced when sedimentary rock layers are tilted up by faulting.
What is fault block mountains?
400
_________ boundaries are formed when 2 tectonic plates move away from one another.
What is divergent boundary?
500
___________ is the process by which new oceanic lithosphere is created as older materials are pulled away.
What is Sea floor spreading?
500
_________ is the force that drives ridge push, slab pull, and convection.
What is gravity?
500
_________ is a type of fault that often results when rocks are pulled apart due to tension.
What is normal fault?
500
___________ is made of the tectonic plates.
What is lithosphere?
500
_________ is the process in which hot material from deep with the Earth rises while cooler material near the surface sinks.
What is convection?
M
e
n
u