Random 1
Continental Drift
Plate Tectonics
Plate Boundaries
Random 2
100
Name the deepest trench is the Pacific Ocean
Marianas Trench
100
Who developed the theory of continental drift
Alfred Wegener
100
What causes movement of the continents.
Convection currents in the mantle.
100
A trench is found at a ______ zone.
subduction
100
What is the name of the feature that circles the globe where plates are moving apart
Mid ocean ridge
200
Hawaii is on a _____ ______.
Hot Spot
200
What was the name of the supercontinent
Pangaea
200
What does it mean that some rocks have reverse polarity
opposite to what exists today
200
This image represents a ______ plate boundary.
Divergent
200
The mechanism for plate movement
Convection currents
300
A collision between two granitic plates produces
mountains by crustal uplift
300
What did Wegener use to fit the continents together?
Shore line
300
Evidence includes glacial striations. What is a glacial striation
Scratches in grooves in a rock caused by glacial movement
300
The San Andreas Fault is an example of a _______ boundary
Transform
300
The crust and uppermost part of the mantle is called
Lithosphere
400
How did Wegener die
on an expedition looking for food for his crew
400
According to Wegener Pangea broke apart about _______ million years ago.
200,000
400
A new ocean will eventually form where
Rift valley in Arica.
400
at a oceanic continental convergent boundary, which plate gets subducted
Oceanic plate
400
A key feature of the asthenosphere is the
convection currents
500
Basalt
makes up the oceanic crust
500
Why did the scientific community reject his hypothesis.
Wegener did not propose a mechanism for plate movement.
500
Plate tectonics developed in what year
1968
500
The continental plate is made of less dense material called
granite
500
What year did Wegener publish his theory of continental drift?
1915