Continental Drift And Sea-floor Spreading Question Preview (ID: 25163)


This Review Will Reinforce The Concepts Of Plate Tectonics. TEACHERS: click here for quick copy question ID numbers.

In Alfred Wegener's theory on continental drift, what was the name of his Supercontinent?
a) Laurasia
b) Pangaea
c) Gondwanaland
d) Venesia

Some evidence of continental drift came from impressions left in rocks from from millions of years ago called:
a) casts
b) molds
c) fossils
d) prints

Which two continents did Wegener notice had shorelines that fit together like pieces of a puzzle?
a) Asia and South America
b) Africa and Australia
c) South America and North America
d) South America and Africa

On his theory of continental drift, what part could Wegener not explain to other scientists?
a) the mechanism to move continents
b) the different masses of the continents
c) the climate and weather patterns of the continents
d) the unequal distribution between the amount of land and the amount of water on earth

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) mountain shifting
b) continental convergence
c) plate tectonics
d) coastal subduction

According to ocean drilling data, the oldest oceanic crust is located:
a) near mid-ocean ridges
b) near continental edges
c) near offshore island chains
d) along oceanic slopes

An elevated geologic feature on the sea-floor, along a divergent boundary is called a:
a) rift valley
b) basin expanse
c) oceanic ridge
d) deep-ocean trench

Also found along a divergent boundary, you could find a deep faulted structurecalled a:
a) convergent alley
b) seamount chain
c) divergent zone
d) rift valley

An area where more dense oceanic crust folds under the less dense continental crust is called a:
a) rift valley
b) seamount chain
c) divergent zone
d) subduction zone

According to ocean drilling data, the youngest oceanic crust is located:
a) near mid-ocean ridges
b) near continental edges
c) near offshore island chains
d) along oceanic slopes

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