Question 1

Stable air will not produce clouds.

Accepted Answer

A) True 
 B)False  False

Question 2

Which of the following does not happen when the humidity exceeds 100%?

Accepted Answer

A) It rains 
B) It snows 
C) It gets warmer 
D) Clouds form 
E) It hails 
A) It rains 
B) It snows 
C) It gets warmer 
D) Clouds form 
E) It hails C

Question 3

Glaze is not a common weather term in the U.S.,but it is probably associated with weather forecasts of ________.

Accepted Answer

A) thunderstorms 
B) snowstorms 
C) blizzards 
D) ice storms 
E) hail storms 
A) thunderstorms 
B) snowstorms 
C) blizzards 
D) ice storms 
E) hail storms D

Question 4

If you heat a jar with water in it,the amount of water vapor that will go into the air in order to reach saturation will ________.

Accepted Answer

A) lower the temperature of the water 
B) raise the temperature of the water 
C) increase in amount 
D) decrease in amount 
E) Everything will stay the same. 
A) lower the temperature of the water 
B) raise the temperature of the water 
C) increase in amount 
D) decrease in amount 
E) Everything will stay the same.

Question 5

Water is unique because ________.

Accepted Answer

A) it is light enough to escape the earth's gravity but it has not done so 
B) it exists in three different states at normal conditions in the earth's atmosphere 
C) its molecules are in motion even when it is solid 
D) it forms from a wide range of chemical processes 
E) it contracts when it becomes a gas 
A) it is light enough to escape the earth's gravity but it has not done so 
B) it exists in three different states at normal conditions in the earth's atmosphere 
C) its molecules are in motion even when it is solid 
D) it forms from a wide range of chemical processes 
E) it contracts when it becomes a gas

Question 6

What happens to the change in temperature for unsaturated air that is rising when it reaches its saturation point?

Accepted Answer

A) It stops rising until it loses water vapor as precipitation. 
B) It continues to rise and the temperature continues to change in the same way it did before saturation. 
C) Latent heat of condensation will be released and will increase the rate of change of temperature for the rising air. 
D) Latent heat of condensation will be released and will decrease the rate of change of temperature for the rising air. 
E) The saturated air is too heavy to continue to rise,so it begins to sink and will continue to rise and fall until some equilibrium state is achieved. 
A) It stops rising until it loses water vapor as precipitation. 
B) It continues to rise and the temperature continues to change in the same way it did before saturation. 
C) Latent heat of condensation will be released and will increase the rate of change of temperature for the rising air. 
D) Latent heat of condensation will be released and will decrease the rate of change of temperature for the rising air. 
E) The saturated air is too heavy to continue to rise,so it begins to sink and will continue to rise and fall until some equilibrium state is achieved.

Question 7

The cloud form that consists of globular cloud masses that take on a billowy or "cauliflowerlike" structure is called ________.

Accepted Answer

A) cumulus 
B) stratus 
C) cirrus 
D) alto 
A) cumulus 
B) stratus 
C) cirrus 
D) alto

Question 8

A super cooled liquid needs to ________ to turn into a solid.

Accepted Answer

A) sublimate 
B) collide with an object 
C) lose volume 
D) increase volume 
E) coalesce with other liquids 
A) sublimate 
B) collide with an object 
C) lose volume 
D) increase volume 
E) coalesce with other liquids

Question 9

Considering the factors involved in the formation of clouds,briefly discuss the relationship of climate and clouds.Would you expect such things as cloud height and the types of clouds to vary from one region to another due to differing climates? Why or why not? Also,how would geography affect this process?

Accepted Answer

Some climate variations are associated w

Question 10

The mixing ratio = mass of water vapor (grams)/ mass of dry air (kilograms).So if you have 10 grams of water vapor in 100 kilograms of dry air,what is the mixing ratio?

Accepted Answer

A) 10 g/kg 
B) 100 g/kg 
C) 0)1 g/kg 
D) 0)01 g/kg 
E) 1 g/kg 
A) 10 g/kg 
B) 100 g/kg 
C) 0)1 g/kg 
D) 0)01 g/kg 
E) 1 g/kg

Question 11

A dark gray cloud that blankets the sky and often generates precipitation is called ________.

Accepted Answer

A) cirrostratus 
B) nimbostratus 
C) altostratus 
D) cirrus 
A) cirrostratus 
B) nimbostratus 
C) altostratus 
D) cirrus

Question 12

Relative humidity is a measure of ________.

Accepted Answer

A) how much water vapor is in the air 
B) the ratio of water vapor in air to the amount of air 
C) the amount of water vapor in the air compared to some standard amount of water vapor 
D) the ratio of the water vapor in the air to the amount of water vapor that it would take to saturate the air 
E) none of the above 
A) how much water vapor is in the air 
B) the ratio of water vapor in air to the amount of air 
C) the amount of water vapor in the air compared to some standard amount of water vapor 
D) the ratio of the water vapor in the air to the amount of water vapor that it would take to saturate the air 
E) none of the above

Question 13

Why is the vertical movement of air critical to the formation of clouds and precipitation?
What role do adiabatic temperature changes play in these processes?

Accepted Answer

Air tends to resist vertical movement.Th

Question 14

A parcel of air has a temperature of 0°C as it crosses a mountain range at 3000 meters.If it descends,what will its temperature be when it reaches sea level?

Accepted Answer

A) 15°C 
B) 30°C 
C) 0°C 
D) 40°C 
A) 15°C 
B) 30°C 
C) 0°C 
D) 40°C

Question 15

When the environmental lapse rate is greater than the dry adiabatic rate,________.

Accepted Answer

A) surface air will rise and fall 
B) surface air will rise,form clouds,and fall 
C) surface air cannot rise and will be trapped beneath colder air above 
D) surface air will rise and continue to rise 
E) surface air will not rise because this is the normal condition 
A) surface air will rise and fall 
B) surface air will rise,form clouds,and fall 
C) surface air cannot rise and will be trapped beneath colder air above 
D) surface air will rise and continue to rise 
E) surface air will not rise because this is the normal condition

Question 16

Cloud water droplets remain a liquid to temperatures as low as ________.

Accepted Answer

A) 0°C 
B) 0°F 
C) -10°C 
D) -40°C 
E) -25°C 
A) 0°C 
B) 0°F 
C) -10°C 
D) -40°C 
E) -25°C

Question 17

If the temperature drops and the amount of moisture in the air remains unchanged,the
relative humidity will increase.

Accepted Answer

A) True 
 B)False

Question 18

Generally the water vapor content of the air over a tropical desert exceeds that of the air over the polar ice caps.

Accepted Answer

A) True 
 B)False

Question 19

Given an environmental lapse rate of 5°C/1000 m and a dry adiabatic of 10°C,what would be the temperature of air at an elevation of 2000 m if the surface air temperature is 25°C?

Accepted Answer

A) 25°C 
B) 20°C 
C) 15°C 
D) 10°C 
E) 5°C 
A) 25°C 
B) 20°C 
C) 15°C 
D) 10°C 
E) 5°C

Question 20

Given an environmental lapse rate of 5°C/1000 m and a dry adiabatic of 10°C,what would be the temperature of unsaturated surface air after it rises to height of 2000 m if its surface temperature had been 25°C?

Accepted Answer

A) 25°C 
B) 20°C 
C) 15°C 
D) 10°C 
E) 5°C 
A) 25°C 
B) 20°C 
C) 15°C 
D) 10°C 
E) 5°C

Exam 17: Moisture, clouds, and Precipitation

Stable air will not produce clouds.

Which of the following does not happen when the humidity exceeds 100%?

Glaze is not a common weather term in the U.S.,but it is probably associated with weather forecasts of ________.

If you heat a jar with water in it,the amount of water vapor that will go into the air in order to reach saturation will ________.

Water is unique because ________.

What happens to the change in temperature for unsaturated air that is rising when it reaches its saturation point?

The cloud form that consists of globular cloud masses that take on a billowy or "cauliflowerlike" structure is called ________.

A super cooled liquid needs to ________ to turn into a solid.

The mixing ratio = mass of water vapor (grams)/ mass of dry air (kilograms).So if you have 10 grams of water vapor in 100 kilograms of dry air,what is the mixing ratio?

A dark gray cloud that blankets the sky and often generates precipitation is called ________.

Relative humidity is a measure of ________.

Why is the vertical movement of air critical to the formation of clouds and precipitation? What role do adiabatic temperature changes play in these processes?

A parcel of air has a temperature of 0°C as it crosses a mountain range at 3000 meters.If it descends,what will its temperature be when it reaches sea level?

When the environmental lapse rate is greater than the dry adiabatic rate,________.

Cloud water droplets remain a liquid to temperatures as low as ________.

If the temperature drops and the amount of moisture in the air remains unchanged,the relative humidity will increase.

Generally the water vapor content of the air over a tropical desert exceeds that of the air over the polar ice caps.

Given an environmental lapse rate of 5°C/1000 m and a dry adiabatic of 10°C,what would be the temperature of air at an elevation of 2000 m if the surface air temperature is 25°C?

Given an environmental lapse rate of 5°C/1000 m and a dry adiabatic of 10°C,what would be the temperature of unsaturated surface air after it rises to height of 2000 m if its surface temperature had been 25°C?

Introduction to Earth Science

Matter and Minerals

Rocks: Materials of the Solid Earth

Weathering, soil, and Mass Wasting

Running Water and Groundwater

Glaciers, deserts, and Wind

Plate Tectonics: a Scientific Revolution Unfolds

Earthquakes and Earths Interior

Volcanoes and Other Igneous Activity

Crustal Deformation and Mountain Building

Geologic Time

Earths Evolution Through Geologic Time

The Ocean Floor

Ocean Water and Ocean Life

The Dynamic Ocean

The Atmosphere: Composition,structure,and Temperature

Air Pressure and Wind

Weather Patterns and Severe Weather

World Climates and Global Climate Change

Origin of Modern Astronomy

Touring Our Solar System

Light,astronomical Observations,and the Sun

Beyond Our Solar System

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