North Carolina Science Grade 8

Chapter 8: Oceanography

Section 1 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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