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Ocean Floors 2014

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

 1. 

What is the world’s longest chain of mountains?
a.
the Rocky Mountains
c.
the Himalaya’s
b.
the Mid-Ocean Ridge
d.
the Blue Ridge Mountains
 

 2. 

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

 3. 

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

 4. 

What is the deepest place in the ocean?  The very deepest place, think Mt. Everest.
a.
a submarine canyon
c.
rift valley
b.
the abyssal plain
d.
Marianas Trench
 

 5. 

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

 6. 

The largest and deepest ocean is
a.
the Indian
c.
the Southern
b.
the Pacific
d.
the Atlantic
 

 7. 

mc007-1.jpg
Use this picture for questions 7-11

What is usually the flattest place on Earth?
a.
a deep sea trench, letter K
c.
the abyssal plain, letter D
b.
continental sshelf, letter A
d.
the rift valley, letter J
 

 8. 

Use the picture for question 7.

What ocean floor feature is letter F?
a.
a guyot
c.
an island
b.
mid-ocean ridge
d.
a seamount
 

 9. 

Use the picture for question 7.

Which feature is the continental slope?
a.
A
c.
C
b.
B
d.
D
 

 10. 

Use the picture for question 7.

What feature is letter F?
a.
a guyot
c.
continental shelf
b.
abyssal plain
d.
continental slope
 

 11. 

Use the picture for question 7.

Which letter is where the ocean is spreading apart?
a.
letter C, a submarine canyon
c.
letter A, the continental shelf
b.
letter, K, a deep sea trench
d.
letter J, G,  the mid-ocean ridge, rift valley
 

 12. 

Use this picture and your knowledge to answer this question.
mc012-1.jpg
Which ocean feature was probably formed by a volcano?
a.
Abyssal plain
c.
Continental slope
b.
Continental shelf
d.
seamount
 

 13. 

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

 14. 

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

 15. 

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 continental shelf
c.
the abyssal plain
b.
the seashore
d.
the continental slope
 

 16. 

The section of the ocean floor that connects the continental shelf to the abyssal plain is the
a.
continental shelf
c.
mid-ocean ridge
b.
continental slope
d.
continental divide
 

 17. 

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

 18. 

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

 19. 

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

 20. 

A scientist who studies the ocean is
a.
a geologist
c.
a meteorologist
b.
an oceanographer
d.
a biologist
 

 21. 

The clouds in the sky are
a.
water vapor
c.
evaporated water
b.
up in the stratosphere
d.
water droplets
 

 22. 

During the water cycle, when water vapor changes to liquid water, it is called
a.
condensation.
c.
freezing.
b.
boiling.
d.
evaporation.
 

 23. 

What is evaporation?
a.
the process of precipitation becoming groundwater
c.
The process of liquid water becoming water vapor
b.
the process that condenses water vapor into clouds
 

 24. 

What is condensation?
a.
water vapor gaining energy and turning into a gas
c.
water droplets infiltrating into the ground
b.
water vapor cooling off/losing energy and turning into water droplets
d.
plants losing water to the atmosphere
 

 25. 

What is the water cycle powered by?
a.
The Sun
c.
the Earth’s rotation
b.
The wind
 



 
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