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S6E3C Post Test

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

The floor of the ocean
a.
is smooth and sandy.
c.
has rivers and lakes.
b.
has mountains and trenches.
d.
is hidden and unknown
 

 2. 

The section of a continent that lies just off the shoreline and extends beneath the ocean is called the continental
a.
plain.
c.
basin.
b.
shelf.
d.
ridge.
 

 3. 

If you could look at the deep ocean floor, which is the best description of what you would see?
a.
high mountains and deep valleys
c.
coral reefs with many varieties of life
b.
flat, silt-covered, lifeless regions
d.
ocean ridges with active volcanoes
 

 4. 

Which is the correct sequence of seafloor features as you move from the shoreline outward?
a.
continental slope - abyssal plain - mid-ocean ridge
b.
continental shelf - continental slope - abyssal plain
c.
continental slope - continental shelf - abyssal plain
d.
continental shelf - continental slope - mid-ocean ridge
 

 5. 

Use this picture and your knowledge to answer this question.
mc005-1.jpg
At which ocean feature would the greatest amount of water pressure be exerted?
a.
Continental shelf
c.
Abyssal plain
b.
Continental slope
d.
Trench
 

 6. 

Which of these is the largest ocean?
a.
Atlantic
c.
Indian
b.
Pacific
d.
Southern
 

 7. 

Where will you find the tallest mountains on Earth?
a.
in Alaska, Denali
b.
in Washington state, Mt. Ranier
c.
Mt. Everest in the Himalayas
d.
the Island of Hawaii is the tallest mountain on Earth
 

 8. 

The flattest place on Earth is
a.
in Oklahoma on the Great Plains
c.
the Abyssal Plain
b.
the Sahara Desert
d.
the continental shelf
 

 9. 

The total salinity of the world’s oceans is
a.
50 %
c.
15%
b.
25%
d.
3.5%
 

 10. 

What do we call the part of the continent that is under the water at the beach as we start walking into the water?
a.
the seashore
c.
the continental slope
b.
the abyssal plain
d.
the continental shelf
 

 11. 

Which of the oceans is the largest?
a.
Atlantic
c.
Pacific
b.
Indian
d.
Southern
 

 12. 

Which of the oceans is the deepest?
a.
Atlantic
c.
Pacific
b.
Indian
d.
Southern
 

 13. 

What is a guyot?
a.
a volcanic island
c.
the edge of the rift valley
b.
a mountain under the sea
d.
a flat topped sea mount flattened by the waves
 

 14. 

In some areas of the ocean, this can be over 4 miles deep.
a.
submarine canyons
c.
mid ocean ridges
b.
deep sea trenches
d.
sediment
 

 15. 

How have oceanographers been able to map the sea floor?
a.
by using echo sounding
c.
by sending out scuba divers
b.
by using submarines
d.
by studying seismic waves
 

 16. 

This word means the land features and elevations of an area.
a.
geography
c.
oceanography
b.
topography
d.
physiology
 

 17. 

mc017-1.jpgWhat feature is letter C?
a.
a guyot
c.
continental shelf
b.
continental slope
d.
abyssal plain
 

 18. 

mc018-1.jpgWhat ocean floor feature is letter h?
a.
a guyot
c.
an island
b.
a seamount
d.
mid-ocean ridge
 

 19. 

mc019-1.jpgWhat is usually the deepest part of the ocean and is formed by convergent ocean plates?
a.
the abyssal plain
c.
continental slope
b.
the rift valley
d.
deep sea trench
 



 
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