Plate Tectonic History
Convergent
Divergent
Transform
Vocabulary
100
This geologic theory is generally thought to have laid the basis for the modern theory of plate tectonics.
What is Continental drift?
100
This landform is created when two continental plates converge.
What are mountains?
100
At a divergent boundary, the two crusts do this.
What is pull away from one another?
100
These occur often at a transform boundary.
What is an earthquake?
100
This is the term that also means "whole land"
What is Pangaea?
200
Identical plant and animal fossils are found on continents that are now separated.
What is evidence of Pangaea?
200
The Ring of Fire is made up of many _________________, and is caused by a convergent boundary.
What are volcanoes?
200
This landform is most likely found at a divergent boundary.
What is a mid-ocean ridge?
200
These are often formed at transform boundaries.
What is a fault?
200
A break in the Earth's crust.
What is a rift?
300
South America and Africa
What are the two continents that Alfred Wegener thought fit together?
300
This occurs when continental crust and denser oceanic crust converge.
What is subduction?
300
The most recent Earth's crust is found at this type of boundary.
What is divergent?
300
These boundaries do not destroy plates.
What are transform boundaries?
300
A raised part on Earth.
What is a ridge?
400
Evidence includes: rocks collected from the Franklin Mountains in West Texas and rocks collected from eastern Antarctica were exactly the same age.
What is plate tectonics?
400
These are produce when an oceanic crust converges with a continental crust.
What are volcanoes?
400
This occurs when two continental crusts diverge.
What is a rift?
400
Transform boundaries are often found on the sea floor. We call these what?
What are oceanic fracture zones?
400
A long, narrow hole in the ocean floor.
What is a trench?
500
This man was the first to propose the Continental Drift Theory which lead to the modern Tectonic Plate Theory.
Who is Alfred Wegener?
500
Folded mountains occur when two of these collide.
What are continental crusts?
500
Divergent boundaries in the ocean are responsible for this theory by Harry Hess.
What is Seafloor Spreading?
500
This well-known fault is found in California.
What is the San Andreas Fault?
500
Any movement of matter that results from differences in densities
What are convection currents?
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