Earth Science: The Water Planet, Book H

Section 1: The Seafloor

Self-Check Quiz-Eng.

1
Where does the continental shelf begin?
A)at the bottom of the continental slope
B)at the shoreline
C)at the ocean floor
D)at the mid-ocean ridge
2
Which is longer, the continental shelf or the continental slope?
A)continental slope
B)They are the same length.
C)continental shelf
D)Their lengths differ.
3
How deep do abyssal plains go?
A)40 to 60 km below the ocean surface
B)4,000 to 6,000 m below the ocean surface
C)4,000 to 6,000 km below the ocean surface
D)400 to 600 m below the ocean surface
4
What occurs at a mid-ocean ridge?
A)a new seafloor
B)underwater mountains
C)the continental shelf
D)the continental slope
5
Where do most ocean trenches occur?
A)mid-ocean ridge
B)abyssal plains
C)continental shelf
D)convergent boundaries
6
Where are mineral resources not found in the ocean?
A)continental shelf
B)surface
C)abyssal plains
D)ocean floor
7
Which is one of the most abundant mineral resource in the ocean?
A)water
B)oxygen
C)gold
D)crude oil
8
What process deposits materials in the deep ocean?
A)volcanic deposits
B)dissolved gases
C)precipitation
D)underground streams
9
What does the ocean floor look like?
A)smooth
B)sloping
C)mountainous
D)flowing
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