Question 1

Lightning may occur from one cloud to another.

Accepted Answer

A) True 
 B)False

Question 2

Lightning can travel in a number of directions, but it cannot travel from one cloud to another cloud.

Accepted Answer

A) True 
 B)False

Question 3

The upper part of a thunderstorm cloud is normally ____ charged, and the middle and lower parts are ____.

Accepted Answer

A) negatively; neutral 
B) negatively; positive 
C) positively; positive 
D) positively; negative 
E) positively; neutral 
A) negatively; neutral 
B) negatively; positive 
C) positively; positive 
D) positively; negative 
E) positively; neutral

Question 4

Scattered thunderstorms (sometimes called "pop-up" or "popcorn" storms)that typically form on warm, humid days are often referred to as ____________________ thunderstorms or ____________________ thunderstorms.

Accepted Answer

air-mass; ordinary c

Question 5

A continuous supply of sparks, or a corona discharge, sent into the air above an object is better known as _________________.

Accepted Answer

The answer of A continuous supply of sparks, or a...

Question 6

Scientists understand with certainty how clouds are electrified.

Accepted Answer

A) True 
 B)False

Question 7

The most likely time for an ordinary thunderstorm to form is ____.

Accepted Answer

A) just after sunrise 
B) just before sunrise 
C) around midnight 
D) late afternoon 
E) at noon 
A) just after sunrise 
B) just before sunrise 
C) around midnight 
D) late afternoon 
E) at noon

Question 8

When a dart leader moving toward the ground deviates from the original path taken by the stepped leader, the lightning appears crooked. Lightning that takes on this shape is called ____ lightning.

Accepted Answer

A) ribbon 
B) forked 
C) crooked 
D) bead 
E) ball 
A) ribbon 
B) forked 
C) crooked 
D) bead 
E) ball

Question 9

Thunderstorms are most common in the Great Plains states.

Accepted Answer

A) True 
 B)False

Question 10

A cloud-to-ground lightning discharge will sometimes appear to flicker. This is because ________.

Accepted Answer

A) you are able to see charges 
B) you are barely able to distinguish separate return strokes 
C) the bright light causes you to blink 
D) of refraction caused by turbulent thunderstorm winds 
E) your eyes momentarily get blinded by lightning 
A) you are able to see charges 
B) you are barely able to distinguish separate return strokes 
C) the bright light causes you to blink 
D) of refraction caused by turbulent thunderstorm winds 
E) your eyes momentarily get blinded by lightning

Question 11

Electrons ____.

Accepted Answer

A) are negatively charged 
B) are positively charged 
C) carry no charge 
D) can carry either positive or negative charge 
E) go back and forth between positive, negative, and neutral 
A) are negatively charged 
B) are positively charged 
C) carry no charge 
D) can carry either positive or negative charge 
E) go back and forth between positive, negative, and neutral

Question 12

____________________ is a discharge of electricity, a giant spark, which usually occurs in mature thunderstorms.

Accepted Answer

The answer of ____________________ is a discharge of electricity, a...

Question 13

Thunderstorms that produce tornadoes ____.

Accepted Answer

A) have very little cloud-to-ground lightning 
B) have updraft velocities that exceed 100 miles per hour 
C) have rotating updrafts 
D) will not produce hail 
E) do not exist 
A) have very little cloud-to-ground lightning 
B) have updraft velocities that exceed 100 miles per hour 
C) have rotating updrafts 
D) will not produce hail 
E) do not exist

Question 14

Left-moving supercell thunderstorms are uncommon in the Northern Hemisphere, yet are very common in the Southern Hemisphere.

Accepted Answer

A) True 
 B)False

Question 15

Lightning can shoot from the top of thunderstorms into the upper atmosphere.

Accepted Answer

A) True 
 B)False

Question 16

The lightning stroke can heat the air through which it travels to an incredible 30,000 degrees Celsius (54,000 degrees Fahrenheit), which is ____ times hotter than the surface of the Sun.

Accepted Answer

A) 2 
B) 3 
C) 4 
D) 5 
E) 6 
A) 2 
B) 3 
C) 4 
D) 5 
E) 6

Question 17

An important principle in one of the theories of the electrification of clouds is that ____.

Accepted Answer

A) there is a net transfer of negative ions from a warmer object to a colder object 
B) supercooled water is always negatively charged 
C) ice crystals are always negatively charged 
D) there is a net transfer of positive ions from a warmer object to a colder object 
E) raindrops are always positively charged 
A) there is a net transfer of negative ions from a warmer object to a colder object 
B) supercooled water is always negatively charged 
C) ice crystals are always negatively charged 
D) there is a net transfer of positive ions from a warmer object to a colder object 
E) raindrops are always positively charged

Question 18

Squall-line thunderstorms generally form _____.

Accepted Answer

A) along or ahead of a cold front 
B) with a strong wave cyclone 
C) behind a cold front 
D) ahead of a warm front 
E) along an occluded front 
A) along or ahead of a cold front 
B) with a strong wave cyclone 
C) behind a cold front 
D) ahead of a warm front 
E) along an occluded front

Question 19

Ordinary thunderstorms only last about one hour and begin to dissipate when ____.

Accepted Answer

A) lightning neutralizes all the electrical charge in the cloud 
B) when all the precipitation particles in the cloud turn to ice 
C) when the downdraft spreads throughout the cloud and cuts off the updraft 
D) when solar heating at the ground begins to decrease 
E) when clouds scatter due to the microbursts within the storm system 
A) lightning neutralizes all the electrical charge in the cloud 
B) when all the precipitation particles in the cloud turn to ice 
C) when the downdraft spreads throughout the cloud and cuts off the updraft 
D) when solar heating at the ground begins to decrease 
E) when clouds scatter due to the microbursts within the storm system

Question 20

Large hail is more common in Kansas than in Florida.

Accepted Answer

A) True 
 B)False

Lightning may occur from one cloud to another.

Lightning can travel in a number of directions, but it cannot travel from one cloud to another cloud.

The upper part of a thunderstorm cloud is normally charged, and the middle and lower parts are .

Scattered thunderstorms (sometimes called "pop-up" or "popcorn" storms)that typically form on warm, humid days are often referred to as thunderstorms or thunderstorms.

A continuous supply of sparks, or a corona discharge, sent into the air above an object is better known as _________________.

Scientists understand with certainty how clouds are electrified.

The most likely time for an ordinary thunderstorm to form is ____.

When a dart leader moving toward the ground deviates from the original path taken by the stepped leader, the lightning appears crooked. Lightning that takes on this shape is called ____ lightning.

Thunderstorms are most common in the Great Plains states.

A cloud-to-ground lightning discharge will sometimes appear to flicker. This is because ________.

Electrons ____.

____________________ is a discharge of electricity, a giant spark, which usually occurs in mature thunderstorms.

Thunderstorms that produce tornadoes ____.

Left-moving supercell thunderstorms are uncommon in the Northern Hemisphere, yet are very common in the Southern Hemisphere.

Lightning can shoot from the top of thunderstorms into the upper atmosphere.

The lightning stroke can heat the air through which it travels to an incredible 30,000 degrees Celsius (54,000 degrees Fahrenheit), which is ____ times hotter than the surface of the Sun.

An important principle in one of the theories of the electrification of clouds is that ____.

Squall-line thunderstorms generally form _____.

Ordinary thunderstorms only last about one hour and begin to dissipate when ____.

Large hail is more common in Kansas than in Florida.

Earth and Its Atmosphere

Energy: Warming Earth and the Atmosphere

Seasonal and Daily Temperatures

Atmospheric Humidity

Condensation: Dew, Fog, and Clouds

Stability and Cloud Development

Precipitation

Air Pressure and Winds

Wind: Small-Scale and Local Systems

Wind: Global Systems

Air Masses and Fronts

Middle-Latitude Cyclones

Weather Forecasting

Tornadoes

Hurricanes

Earths Changing Climate

Global Climate

Air Pollution

Light, Color and Atmospheric Optics

Filters

Exam 14: Thunderstorms

Lightning may occur from one cloud to another.

Lightning can travel in a number of directions, but it cannot travel from one cloud to another cloud.

The upper part of a thunderstorm cloud is normally ____ charged, and the middle and lower parts are ____.

Scattered thunderstorms (sometimes called "pop-up" or "popcorn" storms)that typically form on warm, humid days are often referred to as ____________________ thunderstorms or ____________________ thunderstorms.

A continuous supply of sparks, or a corona discharge, sent into the air above an object is better known as _________________.

Scientists understand with certainty how clouds are electrified.

The most likely time for an ordinary thunderstorm to form is ____.

When a dart leader moving toward the ground deviates from the original path taken by the stepped leader, the lightning appears crooked. Lightning that takes on this shape is called ____ lightning.

Thunderstorms are most common in the Great Plains states.

A cloud-to-ground lightning discharge will sometimes appear to flicker. This is because ________.

Electrons ____.

____________________ is a discharge of electricity, a giant spark, which usually occurs in mature thunderstorms.

Thunderstorms that produce tornadoes ____.

Left-moving supercell thunderstorms are uncommon in the Northern Hemisphere, yet are very common in the Southern Hemisphere.

Lightning can shoot from the top of thunderstorms into the upper atmosphere.

The lightning stroke can heat the air through which it travels to an incredible 30,000 degrees Celsius (54,000 degrees Fahrenheit), which is ____ times hotter than the surface of the Sun.

An important principle in one of the theories of the electrification of clouds is that ____.

Squall-line thunderstorms generally form _____.

Ordinary thunderstorms only last about one hour and begin to dissipate when ____.

Large hail is more common in Kansas than in Florida.

Earth and Its Atmosphere

Energy: Warming Earth and the Atmosphere

Seasonal and Daily Temperatures

Atmospheric Humidity

Condensation: Dew, Fog, and Clouds

Stability and Cloud Development

Precipitation

Air Pressure and Winds

Wind: Small-Scale and Local Systems

Wind: Global Systems

Air Masses and Fronts

Middle-Latitude Cyclones

Weather Forecasting

Tornadoes

Hurricanes

Earths Changing Climate

Global Climate

Air Pollution

Light, Color and Atmospheric Optics

Filters

The upper part of a thunderstorm cloud is normally charged, and the middle and lower parts are .

Scattered thunderstorms (sometimes called "pop-up" or "popcorn" storms)that typically form on warm, humid days are often referred to as thunderstorms or thunderstorms.