Oceanography Questions with Correct Answers
Cold ocean water is __________ warm ocean water. Correct Answer-
denser than
Most tectonic activity takes place __________. Correct Answer-along
plate boundaries
A city __________ the definition of an ecosystem. Correct Answer-
fulfills
The following human activity has adversely affected the ocean: Correct
Answer-All of the above are correct.
The solid planet Earth is partitioned into the __________. Correct
Answer-crust, mantle, outer core, and inner core
The ocean and atmosphere are coupled such that winds drive ocean
circulation to a depth of about __________ meters. Correct Answer-100
Deep ocean circulation is driven primarily by __________. Correct
Answer-differences in water density
The Earth system consists of all but one of the subsystems listed below:
Correct Answer-outersphere
,Analysis of ice cores extracted from the Greenland and Antarctic ice
sheets yields records of air temperature and composition stretching back
in time to a maximum of __________ years. Correct Answer-more than
500,000
The Earth system consists of the major interacting subsystems of:
Correct Answer-geosphere, hydrosphere, atmosphere, and biosphere
Ecosystems consist of __________. Correct Answer--producers (plants)
-consumers (animals)
-decomposers (bacteria and fungi)
Which one of the following types of electromagnetic radiation has the
shortest wavelength? Correct Answer-ultraviolet
Water in the atmosphere is __________. Correct Answer--mostly
confined to the lowest 1000 m of the atmosphere
-never more than about 4% of air by volume
-responsible for the Earth's water cycle
-responsible for keeping Earth sufficiently warm to allow life as we
know it to exist
The average size of animals in the ocean is the size of a (an)
__________. Correct Answer-mosquito
,Satellite remote sensing of the ocean can monitor __________. Correct
Answer-All of the above are correct.
In the atmosphere up to an altitude of about 80 km, oxygen (O2) makes
up about __________ % and nitrogen (N2) comprises about _________
% of the gases by volume. Correct Answer-21. . . .78
The largest reservoir of water in the hydrosphere is (are)
the__________. Correct Answer-ocean
The ultimate destination of all the water in the hydrosphere is
the__________. Correct Answer-ocean
Increasing the salinity of ocean water ___________ its density. Correct
Answer-increases
On average, within the troposphere, the air temperature _________ with
increasing altitude. Correct Answer-falls
The Earth is approximately 4.6 billion years old. If it takes you
approximately one second to say each number starting from right now,
how long would it take you to count to one (1) billion? Correct Answer-
31.7 years
Four million years ago, the first hominids (humans) started to walk on
two feet. If it takes you approximately one second to say each number
, starting from right now, how long would it take you to count to one (1)
million? Correct Answer-11.6 days
True or False: The Sun is the largest known star in our galaxy. Correct
Answer-false
Referring to the video clip from Question 3, which of the following are
smaller than Earth? Correct Answer-Mercury, Mars and Venus
Referring to the video clip from Question 3, which planet in our solar
system is closest in size to Earth's Moon? Correct Answer-Mercury
Referring to the video clip from Question 3, what type of star is Pollux?
Correct Answer-Orange Giant
Referring to the video clip from Question 3, what is the name of the
largest blue star represented in this video? Correct Answer-Pistol Star
The Red Hypergiant (star), VY Canis Majoris, has a diameter of
2.800.000.000 km. What is meant by the word diameter? Correct
Answer-the distance across the star through the center from one side to
the other
The radius of a circle (or sphere) is ½ of the diameter. Since the Red
Hypergiant (star), VY Canis Majoris, has a diameter of 2.800.000.000
km, what is its radius? Correct Answer-1.400.000.000 km
Cold ocean water is __________ warm ocean water. Correct Answer-
denser than
Most tectonic activity takes place __________. Correct Answer-along
plate boundaries
A city __________ the definition of an ecosystem. Correct Answer-
fulfills
The following human activity has adversely affected the ocean: Correct
Answer-All of the above are correct.
The solid planet Earth is partitioned into the __________. Correct
Answer-crust, mantle, outer core, and inner core
The ocean and atmosphere are coupled such that winds drive ocean
circulation to a depth of about __________ meters. Correct Answer-100
Deep ocean circulation is driven primarily by __________. Correct
Answer-differences in water density
The Earth system consists of all but one of the subsystems listed below:
Correct Answer-outersphere
,Analysis of ice cores extracted from the Greenland and Antarctic ice
sheets yields records of air temperature and composition stretching back
in time to a maximum of __________ years. Correct Answer-more than
500,000
The Earth system consists of the major interacting subsystems of:
Correct Answer-geosphere, hydrosphere, atmosphere, and biosphere
Ecosystems consist of __________. Correct Answer--producers (plants)
-consumers (animals)
-decomposers (bacteria and fungi)
Which one of the following types of electromagnetic radiation has the
shortest wavelength? Correct Answer-ultraviolet
Water in the atmosphere is __________. Correct Answer--mostly
confined to the lowest 1000 m of the atmosphere
-never more than about 4% of air by volume
-responsible for the Earth's water cycle
-responsible for keeping Earth sufficiently warm to allow life as we
know it to exist
The average size of animals in the ocean is the size of a (an)
__________. Correct Answer-mosquito
,Satellite remote sensing of the ocean can monitor __________. Correct
Answer-All of the above are correct.
In the atmosphere up to an altitude of about 80 km, oxygen (O2) makes
up about __________ % and nitrogen (N2) comprises about _________
% of the gases by volume. Correct Answer-21. . . .78
The largest reservoir of water in the hydrosphere is (are)
the__________. Correct Answer-ocean
The ultimate destination of all the water in the hydrosphere is
the__________. Correct Answer-ocean
Increasing the salinity of ocean water ___________ its density. Correct
Answer-increases
On average, within the troposphere, the air temperature _________ with
increasing altitude. Correct Answer-falls
The Earth is approximately 4.6 billion years old. If it takes you
approximately one second to say each number starting from right now,
how long would it take you to count to one (1) billion? Correct Answer-
31.7 years
Four million years ago, the first hominids (humans) started to walk on
two feet. If it takes you approximately one second to say each number
, starting from right now, how long would it take you to count to one (1)
million? Correct Answer-11.6 days
True or False: The Sun is the largest known star in our galaxy. Correct
Answer-false
Referring to the video clip from Question 3, which of the following are
smaller than Earth? Correct Answer-Mercury, Mars and Venus
Referring to the video clip from Question 3, which planet in our solar
system is closest in size to Earth's Moon? Correct Answer-Mercury
Referring to the video clip from Question 3, what type of star is Pollux?
Correct Answer-Orange Giant
Referring to the video clip from Question 3, what is the name of the
largest blue star represented in this video? Correct Answer-Pistol Star
The Red Hypergiant (star), VY Canis Majoris, has a diameter of
2.800.000.000 km. What is meant by the word diameter? Correct
Answer-the distance across the star through the center from one side to
the other
The radius of a circle (or sphere) is ½ of the diameter. Since the Red
Hypergiant (star), VY Canis Majoris, has a diameter of 2.800.000.000
km, what is its radius? Correct Answer-1.400.000.000 km
