Question 1

The temperature to which air must be cooled for saturation to occur is called

Accepted Answer

A) relative humidity. 
B) its dew point. 
C) precipitation. 
D) its condensation point. 
A) relative humidity. 
B) its dew point. 
C) precipitation. 
D) its condensation point.

Question 2

The Dew Point in Houston on March 3 at 6:00 a.m. is 38°F. This means that when the air temperature there reaches 38° F, at that time

Accepted Answer

A) the air will be very humid. 
B) dew will evaporate. 
C) water vapor in the atmosphere will condense. 
D) dew will freeze. 
A) the air will be very humid. 
B) dew will evaporate. 
C) water vapor in the atmosphere will condense. 
D) dew will freeze.

Question 3

Why does a jacket keep you warm on a windy day?

Accepted Answer

A) Wind is the flow of cold air so the jacket prevents cold air from reaching the body. 
B) The jacket prevents water vapor from getting near your body and absorbing body heat. 
C) The jacket acts like a florist's greenhouse, trapping long-wavelength radiation near your body. 
D) The jacket prevents the wind from blowing away the layer of air that has been warmed by your body. 
A) Wind is the flow of cold air so the jacket prevents cold air from reaching the body. 
B) The jacket prevents water vapor from getting near your body and absorbing body heat. 
C) The jacket acts like a florist's greenhouse, trapping long-wavelength radiation near your body. 
D) The jacket prevents the wind from blowing away the layer of air that has been warmed by your body.

Question 4

If the concentration of carbon dioxide in the atmosphere increases, Earth's average global temperature will

Accepted Answer

A) increase. 
B) decrease. 
C) stay the same. 
D) fluctuate wildly. 
A) increase. 
B) decrease. 
C) stay the same. 
D) fluctuate wildly.

Question 5

Going in order from the most significant to the least, greenhouse gases include

Accepted Answer

A) carbon dioxide, water, and oxygen. 
B) water vapor and carbon dioxide. 
C) nitrogen, oxygen, and carbon dioxide. 
D) oxygen and carbon dioxide. 
A) carbon dioxide, water, and oxygen. 
B) water vapor and carbon dioxide. 
C) nitrogen, oxygen, and carbon dioxide. 
D) oxygen and carbon dioxide.

Question 6

Warmer temperatures can be expected

Accepted Answer

A) behind a stationary front. 
B) behind an advancing warm front. 
C) ahead of an advancing cold front. 
D) behind an advancing cold front. 
A) behind a stationary front. 
B) behind an advancing warm front. 
C) ahead of an advancing cold front. 
D) behind an advancing cold front.

Question 7

The gases that make up 99% of Earth's atmosphere are

Accepted Answer

A) nitrogen and carbon dioxide. 
B) oxygen and carbon dioxide. 
C) oxygen and nitrogen. 
D) oxygen and hydrogen. 
A) nitrogen and carbon dioxide. 
B) oxygen and carbon dioxide. 
C) oxygen and nitrogen. 
D) oxygen and hydrogen.

Question 8

Why does dew form on the ground during clear, calm summer nights?

Accepted Answer

The ground is cooler at night when it is

Question 9

The change of water vapor to a liquid is called

Accepted Answer

A) evaporation. 
B) condensation. 
C) saturation. 
D) dew point. 
A) evaporation. 
B) condensation. 
C) saturation. 
D) dew point.

Question 10

Suppose that the air has reached its dew point. The relative humidity is

Accepted Answer

A) 0%. 
B) 20%. 
C) 65%. 
D) 100%. 
A) 0%. 
B) 20%. 
C) 65%. 
D) 100%.

Question 11

The ocean current called the Gulf Stream

Accepted Answer

A) carries heat from Hawaii to the Western coast of North America. 
B) carries heat from the Gulf of Mexico to the North American coast and Northern Europe. 
C) vertically mixes the Atlantic ocean near the Southern United States. 
D) travels through all of the world's oceans. 
A) carries heat from Hawaii to the Western coast of North America. 
B) carries heat from the Gulf of Mexico to the North American coast and Northern Europe. 
C) vertically mixes the Atlantic ocean near the Southern United States. 
D) travels through all of the world's oceans.

Question 12

When water changes from a liquid to a vapor, it

Accepted Answer

A) gives heat to the environment. 
B) absorbs heat from the environment. 
C) does not exchange energy with the environment. 
D) condenses. 
A) gives heat to the environment. 
B) absorbs heat from the environment. 
C) does not exchange energy with the environment. 
D) condenses.

Question 13

Trade winds are an example of

Accepted Answer

A) local winds. 
B) global winds. 
C) the Coriolis Effect. 
D) the jet stream. 
A) local winds. 
B) global winds. 
C) the Coriolis Effect. 
D) the jet stream.

Question 14

Daylight and nighttime hours are equal

Accepted Answer

A) during the summer and winter solstices. 
B) during the equinoxes. 
C) in mid-January and mid-June. 
D) They are never equal. 
A) during the summer and winter solstices. 
B) during the equinoxes. 
C) in mid-January and mid-June. 
D) They are never equal.

Question 15

The weather forecast says that a warm front is moving into town. While the front is in town, what kind of weather is likely?

Accepted Answer

A) warm 
B) cloudy with possible precipitation 
C) cool 
D) clear 
A) warm 
B) cloudy with possible precipitation 
C) cool 
D) clear

Question 16

Earth's interacting subsystems or "spheres" are the

Accepted Answer

A) lithosphere, hydrosphere, atmosphere, and biosphere. 
B) lithosphere, hydrosphere, and atmosphere. 
C) biosphere, lithosphere, and atmosphere. 
D) lithosphere, atmosphere, hydrosphere, biosphere, and ecosphere. 
A) lithosphere, hydrosphere, atmosphere, and biosphere. 
B) lithosphere, hydrosphere, and atmosphere. 
C) biosphere, lithosphere, and atmosphere. 
D) lithosphere, atmosphere, hydrosphere, biosphere, and ecosphere.

Question 17

Cyclones are areas of low pressure. They are associated with

Accepted Answer

A) calm weather. 
B) rough weather. 
C) stationary fronts. 
D) cirrus clouds. 
A) calm weather. 
B) rough weather. 
C) stationary fronts. 
D) cirrus clouds.

Question 18

Moist air blows across warm water to colder areas inland. What might this produce?

Accepted Answer

A) decreased inland temperatures 
B) a cold air front 
C) a temperature inversion 
D) fog 
A) decreased inland temperatures 
B) a cold air front 
C) a temperature inversion 
D) fog

Question 19

Global winds between 40 and 60 degrees South latitude blow Westerly. What direction do surface currents move in this region?

Accepted Answer

A) northerly 
B) easterly 
C) westerly 
D) They move in a clockwise circular pattern. 
A) northerly 
B) easterly 
C) westerly 
D) They move in a clockwise circular pattern.

Question 20

How are weather and climate related?

Accepted Answer

A) Climate is the weather at a particular place and time. 
B) Climate is the average weather over a period of many years. 
C) Climate and weather are both produced by plate tectonics. 
D) Weather is climate that can be measured. 
A) Climate is the weather at a particular place and time. 
B) Climate is the average weather over a period of many years. 
C) Climate and weather are both produced by plate tectonics. 
D) Weather is climate that can be measured.

Exam 26: Weather

The temperature to which air must be cooled for saturation to occur is called

The Dew Point in Houston on March 3 at 6:00 a.m. is 38°F. This means that when the air temperature there reaches 38° F, at that time

Why does a jacket keep you warm on a windy day?

If the concentration of carbon dioxide in the atmosphere increases, Earth's average global temperature will

Going in order from the most significant to the least, greenhouse gases include

Warmer temperatures can be expected

The gases that make up 99% of Earth's atmosphere are

Why does dew form on the ground during clear, calm summer nights?

The change of water vapor to a liquid is called

Suppose that the air has reached its dew point. The relative humidity is

The ocean current called the Gulf Stream

When water changes from a liquid to a vapor, it

Trade winds are an example of

Daylight and nighttime hours are equal

The weather forecast says that a warm front is moving into town. While the front is in town, what kind of weather is likely?

Earth's interacting subsystems or "spheres" are the

Cyclones are areas of low pressure. They are associated with

Moist air blows across warm water to colder areas inland. What might this produce?

Global winds between 40 and 60 degrees South latitude blow Westerly. What direction do surface currents move in this region?

How are weather and climate related?

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