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Oceanography Exam 1 Questions with Correct Answers
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Oceanography Exam 1 Questions with Correct Answers
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Oceanography Exam 1 Questions with CorrectAnswers
What is the name of the process in which the ocean floor is mapped?
Correct Answer-Bathymetry
Name the 4 parts of the continental margin on the figure below. Correct
Answer-A: Shelf
B: Shelf Break
C: Slope
D: Rise
What is the deepest part of the ocean? And how deep is it? Correct
Answer-The Mariana Trench in the Pacific Ocean roughly 36,000 feet
under sea line.
Describe how echo sounders measure the depth of the seafloor. Correct
Answer-An echo sounder is a sonar device that sends out pulses of
sound to measure depth by the returning echo.
Match the name of the marine province (the column on the left) to the
correct description (the column on the right). Correct Answer-Pelagic:
the zone that contains all of the water column.
Benthic: the hard bottom of the seafloor.
Neritic: the water column from low tide to shelf break.
Oceanic: the water column from the self break to the water just above
the bottom of the seafloor.
,Pacific: Answer 1
Answer 2:Atlantic
Answer 3:Indian
Answer 4:Arctic
Answer 5:Southern Correct Answer-is the largest ocean on our planet,
located in both the northern and southern hemispheres.
is the second largest and is in both the northern and southern
hemispheres.
this ocean is the third largest and is located mostly in the southern
hemisphere.
the smallest ocean located only in the northern hemisphere.
is an unofficial ocean and located only in the southern hemisphere.
Lines of latitude are parallel to the prime meridian. Correct Answer-
False
Which of the following statements are true about the lines of longitude?
Correct Answer-The lines of longitude run through both the north and
south poles.
, A nautical mile is equal to [number] land miles. Correct Answer-1.15
Explain how a sailor can use the north star to navigate the ocean at night.
Correct Answer-The North Star appears to stay fixed, closely in relation
to latitude to help guide.
We believe the process that created all the objects in our solar system is
called what? Correct Answer-Accretion
Isostasy is the numerical measurement of how thick a layer of the Earth
is. Correct Answer-False
Describe and name the process in which the layers with in the Earth was
created. Correct Answer-Approximately 4.6 billion years ago the earth
was formed from hot molten rock with plasmic fluid surfaces, creating
the core. As superficial radioactive elements decayed on top the earth
formed the mantle. Then with pressure and gravitational pull the crust
formed.
Match the name of the layer based on the Physical Properties. Correct
Answer-Answer 1:lithosphere
Answer 2:Asthenosphere
Answer 3:Outer Core
Answer 4:Inner Core
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