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Divergent Plate Boundaries Quiz
1) _______________ happens at a divergent plate boundary to break up a
continent.
a) Continental rifting
b) Sea-floor spreading
c) Subduction
d) A transform fault
2) When a continent first starts to break apart,
a) Magma rises beneath the continent.
b) The continent becomes thinner.
c) The continent undergoes faulting and splits.
d) All of the above.
3) After the continent has split a bit,
a) The crust drops down to form an ocean basin.
b) A basin is created that is filled with water.
c) The process ends since the pressure has been released.
d) All of the above
4) The Atlantic Ocean has these two types of plates moving apart.
a) Two continental
b) Two oceanic
c) One oceanic and one continental
d) None of the above
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5) As time goes on, the Gulf of California will shrink.
a) True
b) False
6) The final stage of continental rifting is a(n) __________.
a) Ocean, like the Atlantic
b) Ocean, like the Pacific
c) Gulf, like the Indian
d) Gulf, like the Sea of Cortez
7) Why is Baja California splitting away from mainland Mexico?
a) Baja is on the North American Plate and mainland Mexico is on the Pacific Plate.
b) Subduction is moving Baja northward and mainland Mexico southward.
c) Baja is on the Pacific Plate and mainland Mexico is on the North American Plate.
d) None of these
8) What is the relationship between continental rifting and Pangaea?
a) Continental rifting caused continents to come together to form Pangaea.
b) Continental rifting tore Pangaea apart into separate continents.
c) Continental rifting caused the land between the continents to drop down and form the
Atlantic Ocean basin.
d) None of these.
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9) The Red Sea basin was created by
a) Seafloor spreading.
b) Subduction.
c) Transform faulting.
d) None of these.
10) Continental rifting leads to
a) The formation of oceanic crust.
b) The stretching of the continent.
c) The formation of an ocean basin.
d) All of these.
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