Earth Science Geology, the Environment, and the Universe

Section 2: The Seafloor

Self-Check Quizzes-English

1
According to the graph, at what depth does the sea floor start to drop off?
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A)2 km
B)1 km
C)4 km
D)8 km
2
What is the shallowest part of the continental margin called?
A)the continental rise
B)the continental shelf
C)the shelf break
D)a submarine canyon
3
__________ are submerged basaltic volcanoes more than 1 km high.
A)Seamounts
B)Shelf breaks
C)Submarine canyons
D)Fracture zones
4
According to the graph, what is the approximate depth range of ocean basins?
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A)1 km to 4 km
B)2 km to 4 km
C)6 km to 8 km
D)8 km to 10 km
5
According to the table, what happens to the water temperature as depth increases?
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A)It decreases.
B)It remains constant.
C)It increases
D)It fluctuates.
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