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WorksheetsMeteorological Conditions Arrangement
Total questions: 45
Worksheet time: 34mins
What is an air mass?
A huge body of air
A small body of air that does not have similar temperature, humidity, and air pressure at a certain height
A huge body of air that has similar temperature, humidity, and air pressure at any given height
The invisible gaseous substance that surrounds the earth
What are the major types of air masses?
maritime tropical
continental tropical
maritime polar
continental polar
polar tropical
How and where do tropical air masses form?
In the polar ice caps, with medium air pressure
In the tropics, with high air pressure
In the polar ice caps, with low air pressure
In the tropics, with low air pressure
A storm is...
a violent disturbance in the atmosphere
the change in air pressure
a sudden spark
heavy rain and frequent thunder
What is a polar air mass
An large pile of air that forms in the tropics
A air mass with low air pressure that form north of 50 degrees north latitude and south of 50 degrees south latitude
A air mass with high air pressure that form north of 50 degrees north latitude and south of 50 degrees south latitude
A air mass with high air pressure that form north of 60 degrees north latitude and south of 60 degrees south latitude
What is a thunderstorm?
a small storm often accompanied by heavy precipitation and frequent thunder and lightning
a big storm not accompanied by heavy precipitation and frequent thunder and lightning
warm air that rises rapidly
sudden changes in air pressure
Thunderstorms form in...
large cumulonimbus clouds
small cumulonimbus clouds
large and small cumulonimbus clouds
large nimbostratus clouds
Where do maritime air masses form?
Over oceans
Under oceans
Over stuff
Over water
What is lightning?
a sudden spark, or electrical discharge, while charges are jumping between clouds
positive and negative charges jumping between parts of a cloud
a positive and negative electrical charge build up
stratus clouds with positive and negative electrical charge build up
Thunder is the rapidly heating air expanding suddenly and explosively.
True
False
What are continental air masses?
They are masses of air
They are masses of air that form over water which makes them humid
They are air masses that form under land which makes them dry
They are air masses that form over land which makes them dry
In the U.S. what are air masses moved by?
Jet westerlies and prevailing streams
Prevailing easterlies and jet streams
Prevailing westerlies and jet streams
Jet easterlies and prevailing westerlies
What are prevailing westerlies?
The major wind belts over the continental United States
The minor wind belts over the continental United States
The major wind belts under the continental United States
The major wind belts over the continental Canada
What can happen when lightning strikes people or animals?
concussion and heart failure
unconsciousness, serious burns, heart failure
unconsciousness, concussion, serious burns
serious burns
In what direction do Jet Streams travel?
East to west
West to east
North to South
South to North
What is a flash flood?
a sudden, violent flood that occurs shortly after a storm
an area saturated by heavy rains
an overflowing river bank or stream
a flood caused by underground water in a city
What forms when two air masses do not easily mix?
A boundary
A collision
A front
A cyclone
What are the four types of fronts?
Warm fronts
Tropical fronts
Cold fronts
Stationary fronts
Occluded fronts
During thunderstorms avoid...
metal objects
bodies of water
open fields
homes
A tornado is a slow whirling, funnel-shaped cloud that reaches down from a storm cloud to touch Earth's surface.
True
False
What is a cold front?
When a fast-moving cold air mass overtakes a warm air mass
When a slow-moving cold air mass overtakes a warm air mass
When a fast-moving warm air mass overtakes a cold air mass
When a slow-moving warm air mass overtakes a cold air mass
What is a warm front?
When a slow-moving cold air mass overtakes a warm air mass
When cold and warm air masses meet but neither can move the other
When a fast-moving cold air mass overtakes a warm air mass
When a warm air mass overtakes a slow-moving cold air mass
What clouds do most tornadoes most commonly develop in?
cumulonimbus
cumulus
stratus
nimbostratus
What is a stationary front?
When a fast-moving warm air mass overtakes a cold air mass
When a slow-moving cold air mass overtakes a warm air mass
When cold and warm air masses meet, but neither can move the other
When a warm air mass overtakes a slow-moving cold air mass
What is an occluded front?
When a fast-moving cold and warm air mass collide
When a warm air mass is caught between two cooler air masses
When a fast-moving cold air mass overtakes a warm air mass
When a slow-moving cold air mass overtakes a warm air mass
Where are tornadoes in the U.S. most likely to happen?
tornado alley
Great Plains
Distortions in air masses can be caused by...
Mountains
Strong Winds
Tall buildings
What is a cyclone?
A swirling center of low air pressure
A swirling center of high air pressure
A fast-moving cold air mass overtaking a warm air mass
A warm air mass caught between two cooler air masses
How are tornadoes ranked on the Fujita scale?
damage caused
wind speed
miles traveled
miles of damage
What are cyclones and decreasing air pressure associate with?
Earth, water, air, and fire
Clouds, wind, and precipitation
Tornadoes, hurricanes and thunderstorms
Anticyclones and cyclones spiral in the same direction
True
False
Where is the safest place to be during a tornado?
storm shelter
basement of a building
a sturdy house
closed building
Anticyclones are....
Low pressure centers of dry air
High center pressure of dry air
Low pressure centers of humid air
High pressure centers of humid air
What does the descending air in an anticyclone cause?
Wet, clear weather
Dry, cloudy weather
Wet, cloudy weather
Dry, clear weather
What is a hurricane?
a tropical cyclone that has winds of 119 km. per hour or higher
a tropical cyclone that has winds of 119 km. per hour or lower
a dome of water that sweeps across the coast
rapid whirling cool and humid air
What's the first step in weather forecasting?
Look at charts
Collect data
Make a hypothesis
Look at the sky
A hurricane begins over warm ocean water as a ____-_____ area, or _____ _____
low-pressure, tropical disturbance
high-pressure, coastal disturbance
medium-pressure, tropical disturbance
high-pressure, coastal disturbance
Meteorologists are...
Scientists who study the causes of weather and try to predict it
People who can bend all four elements
A professional who looks at the sky
Scientists who study the effects of weather and try to predict it
How do meteorologist use maps, charts, and computers?
To analyze weather data and to prepare weather forecasts
To analyze weather forecasts and to prepare weather data
To write down and keep data
To find the last airbender
What have improved the accuracy of weather forecasts?
Technological improvments
Better satellite connection
Clearer images
The fire nation attacking
A storm surge is a "dome" of water that sweeps across the coast where the hurricane lands.
True
False
What temperature degree does it have to be for precipitation have to be to fall as snow?
0 degrees C
30 degrees C
0 degrees F
30 degrees F
What are "isobars"?
lines joining places on the map that have the same air pressure
lines joining places on the map that have different air pressure
lines joining places that have the same temperature
Isotherms are lines joining places that have different temperatures.
True
False
Standard symbols on weather maps show...
fronts, pressure, precipitation, and temperatures
pressure, precipitation, and fronts
temperatures and fronts
fronts, pressure, and temperature
