Question 1

Atmospheric pressure is half its sea-level value at an altitude of about

Accepted Answer

A)  1 km 3300 ft). 
B)  5 km 16,400 ft). 
C)  20 km 12.4 mi). 
D)  100 km 62 mi). 
A)  1 km 3300 ft). 
B)  5 km 16,400 ft). 
C)  20 km 12.4 mi). 
D)  100 km 62 mi). B

Question 2

On a summer night, coastal land cools below the temperature of the nearby sea. The result is a "land breeze" that blows

Accepted Answer

A)  onshore. 
B)  offshore. 
C)  parallel to the shore. 
D)  Any of these choices could be correct, depending on the region. 
A)  onshore. 
B)  offshore. 
C)  parallel to the shore. 
D)  Any of these choices could be correct, depending on the region. B

Question 3

A characteristic feature of the stratosphere is the presence of

Accepted Answer

A)  clouds. 
B)  dust. 
C)  ozone. 
D)  ions. 
A)  clouds. 
B)  dust. 
C)  ozone. 
D)  ions. C

Question 4

The lowest region of the atmosphere is the

Accepted Answer

A)  thermosphere. 
B)  ionosphere. 
C)  troposphere. 
D)  stratosphere. 
A)  thermosphere. 
B)  ionosphere. 
C)  troposphere. 
D)  stratosphere.

Question 5

Westerly winds are characteristic of the

Accepted Answer

A)  middle latitudes of the northern hemisphere only. 
B)  middle latitudes of the southern hemisphere only. 
C)  middle latitudes of both hemispheres. 
D)  trade-wind belts of both hemispheres. 
A)  middle latitudes of the northern hemisphere only. 
B)  middle latitudes of the southern hemisphere only. 
C)  middle latitudes of both hemispheres. 
D)  trade-wind belts of both hemispheres.

Question 6

Heat is transported around the earth mainly by

Accepted Answer

A)  winds. 
B)  clouds. 
C)  carbon dioxide. 
D)  ocean currents. 
A)  winds. 
B)  clouds. 
C)  carbon dioxide. 
D)  ocean currents.

Question 7

Rain is not usually associated with

Accepted Answer

A)  a warm front. 
B)  a cold front. 
C)  a cyclone. 
D)  an anticyclone. 
A)  a warm front. 
B)  a cold front. 
C)  a cyclone. 
D)  an anticyclone.

Question 8

Everywhere north of the Arctic Circle

Accepted Answer

A)  there is no land. 
B)  there is ice but no liquid water. 
C)  there is no sunlight all winter. 
D)  there is no sunlight only at the winter solstice, which is usually December 22nd. 
A)  there is no land. 
B)  there is ice but no liquid water. 
C)  there is no sunlight all winter. 
D)  there is no sunlight only at the winter solstice, which is usually December 22nd.

Question 9

Completely dry air has a relative humidity of

Accepted Answer

A)  0. 
B)  1 percent. 
C)  50 percent. 
D)  100 percent. 
A)  0. 
B)  1 percent. 
C)  50 percent. 
D)  100 percent.

Question 10

The general direction of the trade winds in both hemispheres is

Accepted Answer

A)  north. 
B)  south. 
C)  east. 
D)  west. 
A)  north. 
B)  south. 
C)  east. 
D)  west.

Question 11

The highest of the following is/are

Accepted Answer

A)  the summit of Mt. Everest. 
B)  cirrus clouds. 
C)  the ozone layer. 
D)  the ionosphere. 
A)  the summit of Mt. Everest. 
B)  cirrus clouds. 
C)  the ozone layer. 
D)  the ionosphere.

Question 12

When the temperature of a volume of air is equal to its dew point, the relative humidity of the air is

Accepted Answer

A)  0. 
B)  50%. 
C)  100%. 
D)  200%. 
A)  0. 
B)  50%. 
C)  100%. 
D)  200%.

Question 13

When saturated air is cooled, what never happens is that

Accepted Answer

A)  it becomes able to take up more water vapor. 
B)  its relative humidity changes. 
C)  fog forms. 
D)  snow begins to fall. 
A)  it becomes able to take up more water vapor. 
B)  its relative humidity changes. 
C)  fog forms. 
D)  snow begins to fall.

Question 14

Water covers

Accepted Answer

A)  less than half the earth's surface. 
B)  roughly half the earth's surface. 
C)  more than half the earth's surface. 
D)  Any of these choices could be correct, depending on the season. 
A)  less than half the earth's surface. 
B)  roughly half the earth's surface. 
C)  more than half the earth's surface. 
D)  Any of these choices could be correct, depending on the season.

Question 15

A temperature inversion that acts to trap smog in localities such as Los Angeles consists of

Accepted Answer

A)  cold air above a layer of warm air. 
B)  warm air above a layer of cold air. 
C)  dry air above a layer of moist air. 
D)  moist air above a layer of dry air. 
A)  cold air above a layer of warm air. 
B)  warm air above a layer of cold air. 
C)  dry air above a layer of moist air. 
D)  moist air above a layer of dry air.

Question 16

If the earth had no atmosphere, there would be no greenhouse effect and its surface would be

Accepted Answer

A)  very hot during both day and night. 
B)  very cold during both day and night. 
C)  very hot during the day and very cold at night. 
D)  Any of these choices, depending on the season. 
A)  very hot during both day and night. 
B)  very cold during both day and night. 
C)  very hot during the day and very cold at night. 
D)  Any of these choices, depending on the season.

Question 17

Clouds occur when moist air is cooled by

Accepted Answer

A)  expansion when it rises. 
B)  expansion when it falls. 
C)  compression when it rises. 
D)  compression when it falls. 
A)  expansion when it rises. 
B)  expansion when it falls. 
C)  compression when it rises. 
D)  compression when it falls.

Question 18

Of the following, the gas that contributes most to global warming is

Accepted Answer

A)  ozone. 
B)  carbon monoxide. 
C)  carbon dioxide. 
D)  methane. 
A)  ozone. 
B)  carbon monoxide. 
C)  carbon dioxide. 
D)  methane.

Question 19

If nothing else changed, an increase in the carbon dioxide content of the atmosphere would cause its

Accepted Answer

A)  temperature to increase. 
B)  temperature to decrease. 
C)  pressure to increase. 
D)  pressure to decrease. 
A)  temperature to increase. 
B)  temperature to decrease. 
C)  pressure to increase. 
D)  pressure to decrease.

Question 20

The atmosphere is heated chiefly by

Accepted Answer

A)  infrared radiation from the sun. 
B)  ultraviolet radiation from the sun. 
C)  infrared radiation from the earth. 
D)  ultraviolet radiation from the earth. 
A)  infrared radiation from the sun. 
B)  ultraviolet radiation from the sun. 
C)  infrared radiation from the earth. 
D)  ultraviolet radiation from the earth.

Atmospheric pressure is half its sea-level value at an altitude of about

On a summer night, coastal land cools below the temperature of the nearby sea. The result is a "land breeze" that blows

A characteristic feature of the stratosphere is the presence of

The lowest region of the atmosphere is the

Westerly winds are characteristic of the

Heat is transported around the earth mainly by

Rain is not usually associated with

Everywhere north of the Arctic Circle

Completely dry air has a relative humidity of

The general direction of the trade winds in both hemispheres is

The highest of the following is/are

When the temperature of a volume of air is equal to its dew point, the relative humidity of the air is

When saturated air is cooled, what never happens is that

Water covers

A temperature inversion that acts to trap smog in localities such as Los Angeles consists of

If the earth had no atmosphere, there would be no greenhouse effect and its surface would be

Clouds occur when moist air is cooled by

Of the following, the gas that contributes most to global warming is

If nothing else changed, an increase in the carbon dioxide content of the atmosphere would cause its

The atmosphere is heated chiefly by

The Scientific Method

Motion

Energy

Energy and the Future

Matter and Heat

Electricity and Magnetism

Waves

The Nucleus

The Atom

The Periodic Law

Crystals, Ions, and Solutions

Chemical Reactions

Organic Chemistry

The Rock Cycle

The Evolving Earth

The Solar System

The Stars

The Universe Galaxies

Filters

Exam 14: Atmosphere and Hydrosphere

Atmospheric pressure is half its sea-level value at an altitude of about

On a summer night, coastal land cools below the temperature of the nearby sea. The result is a "land breeze" that blows

A characteristic feature of the stratosphere is the presence of

The lowest region of the atmosphere is the

Westerly winds are characteristic of the

Heat is transported around the earth mainly by

Rain is not usually associated with

Everywhere north of the Arctic Circle

Completely dry air has a relative humidity of

The general direction of the trade winds in both hemispheres is

The highest of the following is/are

When the temperature of a volume of air is equal to its dew point, the relative humidity of the air is

When saturated air is cooled, what never happens is that

Water covers

A temperature inversion that acts to trap smog in localities such as Los Angeles consists of

If the earth had no atmosphere, there would be no greenhouse effect and its surface would be

Clouds occur when moist air is cooled by

Of the following, the gas that contributes most to global warming is

If nothing else changed, an increase in the carbon dioxide content of the atmosphere would cause its

The atmosphere is heated chiefly by

The Scientific Method

Motion

Energy

Energy and the Future

Matter and Heat

Electricity and Magnetism

Waves

The Nucleus

The Atom

The Periodic Law

Crystals, Ions, and Solutions

Chemical Reactions

Organic Chemistry

The Rock Cycle

The Evolving Earth

The Solar System

The Stars

The Universe Galaxies

Filters