Question 1

If a column of air is heated,it will:

Accepted Answer

A) have a lower pressure at its base. 
B) become more dense. 
C) have a smaller vertical pressure gradient. 
D) contract. 
A) have a lower pressure at its base. 
B) become more dense. 
C) have a smaller vertical pressure gradient. 
D) contract.

Question 2

If you were to take the net force applied by the atmosphere to the entire surface and divide it by the value of the acceleration of gravity,you would have this: ________.

Accepted Answer

the mass o

Question 3

What causes a geostrophic wind and what are the important characteristics of geostrophic wind?

Accepted Answer

The geostrophic wind occurs when the pre

Question 4

The horizontal pressure gradient force (pgf):

Accepted Answer

A) is solely responsible for air movement. 
B) can affect the direction of wind flow. 
C) is always directed from high pressure to low pressure. 
D) is strongest where the temperature differentials are the greatest. 
E) all of the above 
A) is solely responsible for air movement. 
B) can affect the direction of wind flow. 
C) is always directed from high pressure to low pressure. 
D) is strongest where the temperature differentials are the greatest. 
E) all of the above

Question 5

According to the equation of state p =  ρRT,if pressure remained constant and the temperature increased

Accepted Answer

A) the density would have to remain constant 
B) the density would have to increase 
C) the density would have to decrease 
D) the constant R would have to change 
A) the density would have to remain constant 
B) the density would have to increase 
C) the density would have to decrease 
D) the constant R would have to change

Question 6

The sea level pressure distribution across the world is:

Accepted Answer

A) randomly distributed. 
B) disorganized and widely scattered. 
C) organized into high and low pressure areas. 
D) not well-known by scientists. 
A) randomly distributed. 
B) disorganized and widely scattered. 
C) organized into high and low pressure areas. 
D) not well-known by scientists.

Question 7

Humid air is actually less dense than dry air because

Accepted Answer

A) lighter air molecules like O2 and N2 are replaced by heavier H2O molecules 
B) heavier air molecules like O2 and N2 are replaced by lighter H2O molecules 
C) the greenhouse effect is enhanced when the humidity is high 
D) the greenhouse effect is reduced when the humidity is high 
A) lighter air molecules like O2 and N2 are replaced by heavier H2O molecules 
B) heavier air molecules like O2 and N2 are replaced by lighter H2O molecules 
C) the greenhouse effect is enhanced when the humidity is high 
D) the greenhouse effect is reduced when the humidity is high

Question 8

Barometric pressure is often expressed as the _______ of a column of mercury in a barometer.

Accepted Answer

A) weight 
B) density 
C) temperature 
D) height 
A) weight 
B) density 
C) temperature 
D) height

Question 9

An examination of a typical 500 mb height map shows that:

Accepted Answer

A) pressure surfaces can change dramatically over a short distance. 
B) there is no usefulness in consulting height maps for other pressures. 
C) upper-atmosphere gradients are typically small. 
D) it takes strong gradients to produce strong winds. 
A) pressure surfaces can change dramatically over a short distance. 
B) there is no usefulness in consulting height maps for other pressures. 
C) upper-atmosphere gradients are typically small. 
D) it takes strong gradients to produce strong winds.

Question 10

What is sea level pressure and why is it important?

Accepted Answer

Sea-level pressure is the pressure that

Question 11

Pressure decreases with altitude by 50% with every increase in altitude of how much?

Accepted Answer

A) 1 mile 
B) 1 km 
C) 5.5 km 
D) 10 km 
A) 1 mile 
B) 1 km 
C) 5.5 km 
D) 10 km

Question 12

Anticyclones:

Accepted Answer

A) have air spiraling into them at lower elevations. 
B) have clockwise winds in the Northern Hemisphere. 
C) do not have winds in the upper atmosphere that follow height contours. 
D) are associated with subgeostrophic winds. 
A) have air spiraling into them at lower elevations. 
B) have clockwise winds in the Northern Hemisphere. 
C) do not have winds in the upper atmosphere that follow height contours. 
D) are associated with subgeostrophic winds.

Question 13

The difference between speed and velocity is that velocity additionally incorporates:

Accepted Answer

A) time. 
B) distance. 
C) mass. 
D) direction. 
A) time. 
B) distance. 
C) mass. 
D) direction.

Question 14

The basic unit of pressure measurement for atmospheric pressure is:

Accepted Answer

A) millibar. 
B) pascal. 
C) kilopascal. 
D) inches of mercury. 
E) all of the above 
A) millibar. 
B) pascal. 
C) kilopascal. 
D) inches of mercury. 
E) all of the above

Question 15

Friction is a significant factor on air motion within the elevation contained by the ________.

Accepted Answer

planetary

Question 16

According to the equation of state p =  ρRT,

Accepted Answer

A) an increase in density requires an increase in pressure or a decrease in temperature or both 
B) an increase in density requires an increase in both pressure and temperature 
C) an increase in density requires a decrease in pressure but not temperature 
D) an increase in density requires a decrease in both pressure and temperature 
A) an increase in density requires an increase in pressure or a decrease in temperature or both 
B) an increase in density requires an increase in both pressure and temperature 
C) an increase in density requires a decrease in pressure but not temperature 
D) an increase in density requires a decrease in both pressure and temperature

Question 17

Height maps for the United States:

Accepted Answer

A) are updated twice a week. 
B) correspond to different approximate elevation levels. 
C) are done for 500 mb only. 
D) have little practical application in weather forecasting. 
A) are updated twice a week. 
B) correspond to different approximate elevation levels. 
C) are done for 500 mb only. 
D) have little practical application in weather forecasting.

Question 18

According to Newton's Laws,an air parcel can accelerate:

Accepted Answer

A) by speeding up. 
B) by slowing down. 
C) by changing direction. 
D) all of the above 
A) by speeding up. 
B) by slowing down. 
C) by changing direction. 
D) all of the above

Question 19

Hydrostatic equilibrium occurs when:

Accepted Answer

A) the force of gravity and the vertical pressure gradient both act to push air upward. 
B) the force of gravity and the vertical pressure gradient both act to push air downward. 
C) the force of gravity and the vertical pressure gradient have equal value and oppose each other. 
D) large air masses are moving either up or down. 
A) the force of gravity and the vertical pressure gradient both act to push air upward. 
B) the force of gravity and the vertical pressure gradient both act to push air downward. 
C) the force of gravity and the vertical pressure gradient have equal value and oppose each other. 
D) large air masses are moving either up or down.

Question 20

Air pressure is:

Accepted Answer

A) measured in pascals by American meteorologists. 
B) independent of the density of air. 
C) independent of the temperature of air. 
D) the sum of the partial pressures of its constituent gases. 
A) measured in pascals by American meteorologists. 
B) independent of the density of air. 
C) independent of the temperature of air. 
D) the sum of the partial pressures of its constituent gases.

If a column of air is heated,it will:

If you were to take the net force applied by the atmosphere to the entire surface and divide it by the value of the acceleration of gravity,you would have this: ________.

What causes a geostrophic wind and what are the important characteristics of geostrophic wind?

The horizontal pressure gradient force (pgf):

According to the equation of state p = ρRT,if pressure remained constant and the temperature increased

The sea level pressure distribution across the world is:

Humid air is actually less dense than dry air because

Barometric pressure is often expressed as the _______ of a column of mercury in a barometer.

An examination of a typical 500 mb height map shows that:

What is sea level pressure and why is it important?

Pressure decreases with altitude by 50% with every increase in altitude of how much?

Anticyclones:

The difference between speed and velocity is that velocity additionally incorporates:

The basic unit of pressure measurement for atmospheric pressure is:

Friction is a significant factor on air motion within the elevation contained by the ________.

According to the equation of state p = ρRT,

Height maps for the United States:

According to Newton's Laws,an air parcel can accelerate:

Hydrostatic equilibrium occurs when:

Air pressure is:

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Exam 4: Atmospheric Pressure and Wind

If a column of air is heated,it will:

If you were to take the net force applied by the atmosphere to the entire surface and divide it by the value of the acceleration of gravity,you would have this: ________.

What causes a geostrophic wind and what are the important characteristics of geostrophic wind?

The horizontal pressure gradient force (pgf):

According to the equation of state p = ρRT,if pressure remained constant and the temperature increased

The sea level pressure distribution across the world is:

Humid air is actually less dense than dry air because

Barometric pressure is often expressed as the _______ of a column of mercury in a barometer.

An examination of a typical 500 mb height map shows that:

What is sea level pressure and why is it important?

Pressure decreases with altitude by 50% with every increase in altitude of how much?

Anticyclones:

The difference between speed and velocity is that velocity additionally incorporates:

The basic unit of pressure measurement for atmospheric pressure is:

Friction is a significant factor on air motion within the elevation contained by the ________.

According to the equation of state p = ρRT,

Height maps for the United States:

According to Newton's Laws,an air parcel can accelerate:

Hydrostatic equilibrium occurs when:

Air pressure is:

Energy and Mass

Solar Radiation and the Seasons

Energy Balance and Temperature

Atmospheric Moisture

Cloud Development and Forms

Precipitation Processes

Atmospheric Circulation and Pressure Distributions

Air Masses and Fronts

Midlatitude Cyclones

Lightning, thunder, and Tornadoes

Tropical Storms and Hurricanes

Weather Forecasting and Analysis

Human Effects on the Atmosphere

Earths Climates

Climate Changes: Past and Future

Atmospheric Optics Online Only in Masteringmeteorology

Filters