6 OCE Questions with Correct Answers (Grade A+)
Question 1: The changes in day length and angle of incoming sunlight that characterize the annual
march of the seasons are due to which of the following characteristics?
Answer: -Earth spins on its axis, completing one rotation each day. -Earth orbits around the Sun, completing
one revolution each year. -Earth's axis always points in the same direction relative to the stars. -Earth's axis
is tilted relative to its orbital plane.
Question 2: What is the June solstice?
Answer: the time of the year when Earth's geographic North Pole is leaning most directly toward the Sun
Question 3: How does the inclination of Earth's axis change over the course of a year?
Answer: The inclination of Earth's axis does not change.
Question 4: What is the December solstice?
Answer: the time of the year when Earth's geographic North Pole is leaning most directly away from the
Sun
Question 5: When are the Sun's rays perpendicular to Earth's surface at the equator?
Answer: March and September Equinox
Question 6: Where does the length of day remain the same throughout the year?
Answer: at the equator
Question 7: When do all locations on Earth experience equal lengths of day and night?
Answer: March and September Equinox
Question 8: Areas of low pressure tend to have ______ air and _____ weather.
Answer: rising, storming
Question 9: What two factors explain why the prevailing westerlies blow toward the northeast in the
Northern Hemisphere and the southeast in the Southern Hemisphere?
Answer: The two factors are the direction of circulation in the Ferrel cell and the Coriolis effect.
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, Question 10: If you were the captain of a sailing ship, which of the following latitudes would you want
to avoid MOST?
Answer: 30 degrees
Question 11: If Earth rotated in the opposite direction, how would global atmospheric circulation be
affected?
Answer: The global wind belts would blow in the opposite east-west direction.
Question 12: What is a cyclone?
Answer: a center of low atmospheric pressure
Question 13: Which way does air converge on a cyclone in the Northern Hemisphere?
Answer: in a counterclockwise direction
Question 14: Which way does air converge on a cyclone in the Southern Hemisphere?
Answer: in a clockwise direction
Question 15: How does air move near the top of a cyclone?
Answer: in the same direction as air in the upper atmosphere
Question 16: Why are cyclones generally associated with clouds and rain?
Answer: Air in cyclones undergoes cooling as it rises.
Question 17: What is an anticylone?
Answer: a center of high atmospheric pressure
Question 18: Which way does air move in an anticyclone in the Northern Hemisphere?
Answer: down, and in a clockwise direction
Question 19: Which way does air move in an anticyclone in the Southern Hemisphere?
Answer: down, and in a counterclockwise direction
Question 20: Why are anticyclones not generally associated with clouds and rain?
Answer: Air in anticyclones undergoes warming as the air descends.
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Question 1: The changes in day length and angle of incoming sunlight that characterize the annual
march of the seasons are due to which of the following characteristics?
Answer: -Earth spins on its axis, completing one rotation each day. -Earth orbits around the Sun, completing
one revolution each year. -Earth's axis always points in the same direction relative to the stars. -Earth's axis
is tilted relative to its orbital plane.
Question 2: What is the June solstice?
Answer: the time of the year when Earth's geographic North Pole is leaning most directly toward the Sun
Question 3: How does the inclination of Earth's axis change over the course of a year?
Answer: The inclination of Earth's axis does not change.
Question 4: What is the December solstice?
Answer: the time of the year when Earth's geographic North Pole is leaning most directly away from the
Sun
Question 5: When are the Sun's rays perpendicular to Earth's surface at the equator?
Answer: March and September Equinox
Question 6: Where does the length of day remain the same throughout the year?
Answer: at the equator
Question 7: When do all locations on Earth experience equal lengths of day and night?
Answer: March and September Equinox
Question 8: Areas of low pressure tend to have ______ air and _____ weather.
Answer: rising, storming
Question 9: What two factors explain why the prevailing westerlies blow toward the northeast in the
Northern Hemisphere and the southeast in the Southern Hemisphere?
Answer: The two factors are the direction of circulation in the Ferrel cell and the Coriolis effect.
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, Question 10: If you were the captain of a sailing ship, which of the following latitudes would you want
to avoid MOST?
Answer: 30 degrees
Question 11: If Earth rotated in the opposite direction, how would global atmospheric circulation be
affected?
Answer: The global wind belts would blow in the opposite east-west direction.
Question 12: What is a cyclone?
Answer: a center of low atmospheric pressure
Question 13: Which way does air converge on a cyclone in the Northern Hemisphere?
Answer: in a counterclockwise direction
Question 14: Which way does air converge on a cyclone in the Southern Hemisphere?
Answer: in a clockwise direction
Question 15: How does air move near the top of a cyclone?
Answer: in the same direction as air in the upper atmosphere
Question 16: Why are cyclones generally associated with clouds and rain?
Answer: Air in cyclones undergoes cooling as it rises.
Question 17: What is an anticylone?
Answer: a center of high atmospheric pressure
Question 18: Which way does air move in an anticyclone in the Northern Hemisphere?
Answer: down, and in a clockwise direction
Question 19: Which way does air move in an anticyclone in the Southern Hemisphere?
Answer: down, and in a counterclockwise direction
Question 20: Why are anticyclones not generally associated with clouds and rain?
Answer: Air in anticyclones undergoes warming as the air descends.
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