Wegener
Under the Sea
Plate Tectonics
Boundaries
Miscellaneous
100
The name Wegener game to the super-continent that existed 300 million years age
What is Pangea?
100
The adding of new material to the ocean floor
What is Sea-Floor Spreading?
100
Two continental plates colliding will cause these to form.
What are Mountains?
100
When to plates collide
What is Convergent Boundaries?
100
A diagram that shows what the inside of something looks like.
What is a cross section?
200
The two Continents where the Mesosaurus fossils were found.
What is South America and Africa?
200
Long underwater mountain chains.
What are Mid-Ocean Ridges?
200
Breaks in the Earth's crust. There is one found in California.
What are Faults?
200
When two plates separate
What is Divergent Boundaries?
200
What type of boundary is shown at A?
What is a divergent boundary.
300
Wegener's hypothesis was rejected because he could not prove this
What is How the Plate Move?
300
During subduction, the ocean floor sinks back into the mantle creating these underwater
What are Deep Ocean Trenches and/or Volcanoes?
300
This constant motion causes the plates to move
What are Convection Currents?
300
When two plates slide past each other
What is Transform Boundaries?
300
This area is called...
What is The Ring of Fire.
400
Term for the continents slow movement on Earth's surface
What is Continental Drift?
400
The landform that you would expect to find at a divergent boundary under the ocean?
What is a Mid-Ocean Ridge
400
Transform boundaries usually cause these
What are Earthquakes?
400
Two continental plates separating will create this
What is a Rift Valley or a Canyon?
400
Formula for rate
What is distance/time.
500
The remains of a tropical plant in a cold area was proof that this changed.
What is Climate?
500
In the mid-1900s, scientists mapped the ocean floor using this
What is Sonar?
500
Plates move about 1 cm to about ________ cm a year
What is 12?
500
In the mid-1960s, geologists combined all they knew about plates into a single _____________
What is Theory?
500
When tectonic plates shift, this happens.
What is Continental Drift