Question 1

The dew point is usually ________ on a humid day compared to a dry day.

Accepted Answer

A)  lower
B)  higher
C)  the same
D)  more changeableE) A) and D)
F) A) and C)

Question 2

What is ozone?

Accepted Answer

A)  a gas consisting of molecules containing three oxygen atoms
B)  a gas that resides in the stratosphere
C)  a gas that blocks ultraviolet radiation from reaching Earth
D)  all of the aboveE) B) and D)
F) All of the above

Question 3

Near a high-pressure weather system (also called an anticyclone) , clouds are unlikely to form. Why is this?

Accepted Answer

A)  Air flows downward and outward from a high.
B)  Air flows upward and into the high.
C)  Highs do not form in moist air.
D)  The Coriolis force turns the air, dispersing condensed air so clouds cannot form.E) A) and C)
F) All of the above

Question 4

Explain why high elevations such as mountains are colder than sea-level locations.

Accepted Answer

Air is denser near sea level. Since ther...

Question 5

Clouds continually are pulled to the ground by gravity. Why do they stay aloft?

Accepted Answer

A)  Clouds weigh so little that they fall too slowly to be noticed.
B)  Water evaporating from Earth's surface presents an opposing force to the falling cloud droplets.
C)  New cloud droplets continually replace those that fall to Earth's surface.
D)  Updrafts of air oppose the gravitational force.E) None of the above
F) A) and B)

Question 6

Why does air flow into the center of a cyclone?

Accepted Answer

A)  The center of a cyclone is a region of cold air.
B)  The center of a cyclone is a region of high air pressure.
C)  The center of a cyclone is a region of low air pressure.
D)  The center of a cyclone is near Earth's surface.E) B) and C)
F) B) and D)

Question 7

Evaporation of raindrops in the atmosphere

Accepted Answer

A)  warms the air.
B)  cools the air.
C)  does not happen; raindrops always reach Earth's surface.
D)  is greatest above the polar ice caps.E) C) and D)
F) B) and D)

Question 8

A parcel of air will rise as long as it is

Accepted Answer

A)  denser than surrounding air.
B)  less dense than surrounding air.
C)  cooler than surrounding air.
D)  more humid than surrounding air.E) A) and B)
F) A) and C)

Question 9

On what day of the year does the North Pole tilt most directly toward the Sun?

Accepted Answer

A)  the spring equinox
B)  the fall equinox
C)  the winter solstice
D)  the summer solsticeE) A) and B)
F) A) and C)

Question 10

If there were no natural greenhouse effect, Earth's average global temperature would be about

Accepted Answer

A)  18°C.
B)  -18°C.
C)  100°C.
D)  0°C.E) A) and C)
F) A) and B)

Question 11

The seasons are primarily due to

Accepted Answer

A)  the distance of Earth from the Sun.
B)  the wavelength of solar radiation.
C)  the tilt of Earth's axis.
D)  variations in greenhouse gas levels.E) C) and D)
F) B) and D)

Question 12

Almost all energy on Earth comes directly or indirectly from

Accepted Answer

A)  Earth's interior.
B)  radioactivity.
C)  the Sun
D)  carbon dioxide in the atmosphere.E) B) and C)
F) B) and D)

Question 13

A continental polar (cP) air mass moves into the territory occupied a continental tropical (cT) air mass. What is likely to happen?

Accepted Answer

A)  The air masses mix creating an air mass of average temperature.
B)  A cold front forms at the boundary between the two air masses.
C)  A cold front extends from the boundary zone into the territory occupied by the continental tropical (cT) air mass.
D)  A stationary front forms.E) B) and C)
F) A) and C)

Question 14

What slows the escape of long-wave radiation form Earth's surface?

Accepted Answer

A)  rain
B)  trees
C)  nitrogen gas.
D)  greenhouse gases.E) B) and C)
F) A) and D)

Question 15

A sea breeze is a local wind that blows at night from a region

Accepted Answer

A)  over the ocean toward land.
B)  of low pressure to high pressure.
C)  of high elevation to low elevation.
D)  none of the aboveE) A) and B)
F) None of the above

Question 16

Why are you more likely to get sunburned if you visit a low-latitude location compared to a high-latitude location?

Accepted Answer

A)  Low-latitude locations are closer to the Sun than polar regions.
B)  Low-latitude locations have a thin atmosphere and low levels of ozone.
C)  Solar rays strike low-latitude locations most directly.
D)  Solar rays strike low-latitude locations at an oblique angle.E) A) and D)
F) B) and D)

Question 17

Which of the following changes in the wind makes you feel colder?

Accepted Answer

A)  The direction the wind blows changes from East to West to North to South.
B)  The speed of wind increases from 5 miles per hour to 10 miles per hour.
C)  The wind speed decreases from 10 miles per hour to 5 miles per hour.
D)  More wind blows in from the ocean to the land.E) A) and D)
F) C) and D)

Question 18

Why is air pressure greatest at sea level?

Accepted Answer

A)  Air pressure depends on the weight of overlying air molecules.
B)  Air pressure depends on the force with which air molecules strike Earth's surface; molecules near Earth's surface strike Earth with more force.
C)  Air pressure depends on the temperature of air and air near Earth's surface is warmest.
D)  Air pressure is inversely proportional to the density of air.E) B) and C)
F) B) and D)

Question 19

Why is the density of air greatest near sea level?

Accepted Answer

A)  The force of gravity on air is greatest at Earth's surface.
B)  Air is compressible.
C)  Air pressure is at a minimum near Earth's surface.
D)  Air is warmest near sea level.E) B) and C)
F) C) and D)

Question 20

In what direction do the Trade Winds blow? Is this direction constant? How do the Trade Winds affect the ocean's surface?

Accepted Answer

The Trade Winds blow from the East to th...

Exam 26: Weather

A parcel of air will rise as long as it is

Correct AnswerverifiedShow Answer

What slows the escape of long-wave radiation form Earth's surface?

Correct AnswerverifiedShow Answer

The dew point is usually ________ on a humid day compared to a dry day.

Correct AnswerverifiedShow Answer

Near a high-pressure weather system (also called an anticyclone) , clouds are unlikely to form. Why is this?

Correct AnswerverifiedShow Answer

Evaporation of raindrops in the atmosphere

Correct AnswerverifiedShow Answer

Why does air flow into the center of a cyclone?

Correct AnswerverifiedShow Answer

Clouds continually are pulled to the ground by gravity. Why do they stay aloft?

Correct AnswerverifiedShow Answer

Why are you more likely to get sunburned if you visit a low-latitude location compared to a high-latitude location?

Correct AnswerverifiedShow Answer

The seasons are primarily due to

Correct AnswerverifiedShow Answer

Which of the following changes in the wind makes you feel colder?

Correct AnswerverifiedShow Answer

Why is the density of air greatest near sea level?

Correct AnswerverifiedShow Answer

Almost all energy on Earth comes directly or indirectly from

Correct AnswerverifiedShow Answer

In what direction do the Trade Winds blow? Is this direction constant? How do the Trade Winds affect the ocean's surface?

Correct AnswerverifiedThe Trade Winds blow from the East to th...View AnswerShow Answer

A sea breeze is a local wind that blows at night from a region

Correct AnswerverifiedShow Answer

Why is air pressure greatest at sea level?

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What is ozone?

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On what day of the year does the North Pole tilt most directly toward the Sun?

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A continental polar (cP) air mass moves into the territory occupied a continental tropical (cT) air mass. What is likely to happen?

Correct AnswerverifiedShow Answer

If there were no natural greenhouse effect, Earth's average global temperature would be about

Correct AnswerverifiedShow Answer

Explain why high elevations such as mountains are colder than sea-level locations.

Correct AnswerverifiedAir is denser near sea level. Since ther...View AnswerShow Answer

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The Trade Winds blow from the East to th...
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Air is denser near sea level. Since ther...
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