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Continental Drift And Sea-floor Spreading
Test Description: This review will reinforce the concepts of plate tectonics.
Instructions: Answer all questions to get your test result.
1) In Alfred Wegener's theory on continental drift, what was the name of his Supercontinent?
A
Pangaea
B
Venesia
C
Gondwanaland
D
Laurasia
2) Some evidence of continental drift came from impressions left in rocks from from millions of years ago called:
A
prints
B
molds
C
fossils
D
casts
3) Which two continents did Wegener notice had shorelines that fit together like pieces of a puzzle?
A
Africa and Australia
B
South America and Africa
C
Asia and South America
D
South America and North America
4) On his theory of continental drift, what part could Wegener not explain to other scientists?
A
the mechanism to move continents
B
the climate and weather patterns of the continents
C
the unequal distribution between the amount of land and the amount of water on earth
D
the different masses of the continents
5) Wegeners theory was initially discarded, but in the mid 1960's new data was collected and the theory was updated and given the name of:
A
coastal subduction
B
mountain shifting
C
plate tectonics
D
continental convergence
6) According to ocean drilling data, the oldest oceanic crust is located:
A
near continental edges
B
near offshore island chains
C
near mid-ocean ridges
D
along oceanic slopes
7) An elevated geologic feature on the sea-floor, along a divergent boundary is called a:
A
deep-ocean trench
B
basin expanse
C
rift valley
D
oceanic ridge
8) Also found along a divergent boundary, you could find a deep faulted structurecalled a:
A
divergent zone
B
rift valley
C
seamount chain
D
convergent alley
9) An area where more dense oceanic crust folds under the less dense continental crust is called a:
A
seamount chain
B
rift valley
C
divergent zone
D
subduction zone
10) According to ocean drilling data, the youngest oceanic crust is located:
A
near continental edges
B
along oceanic slopes
C
near mid-ocean ridges
D
near offshore island chains
*select an answer for all questions
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