What is an air mass?
Air Masses, Fronts, and Pressure Systems

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Science
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7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
An air mass is a large body of air that has uniform temperature and humidity characteristics. It forms over a specific region and takes on the properties of that area.
2.
FLASHCARD QUESTION
Front
What are the four main types of air masses?
Back
The four main types of air masses are: 1. Continental Polar (cP) - cold and dry, 2. Continental Tropical (cT) - warm and dry, 3. Maritime Polar (mP) - cold and moist, 4. Maritime Tropical (mT) - warm and moist.
3.
FLASHCARD QUESTION
Front
What is a front in meteorology?
Back
A front is a boundary between two different air masses. It is where the characteristics of the air masses change, leading to various weather conditions.
4.
FLASHCARD QUESTION
Front
What is a cold front?
Back
A cold front occurs when a colder air mass pushes into a warmer air mass, often leading to thunderstorms and a drop in temperature.
5.
FLASHCARD QUESTION
Front
What is a warm front?
Back
A warm front occurs when a warm air mass moves over a colder air mass, typically bringing gradual increases in temperature and prolonged precipitation.
6.
FLASHCARD QUESTION
Front
What is the relationship between air pressure and weather?
Back
Low pressure systems are generally associated with cloudy, stormy weather, while high pressure systems are linked to clear, sunny conditions.
7.
FLASHCARD QUESTION
Front
How does altitude affect air pressure?
Back
Air pressure decreases with increasing altitude because there are fewer air molecules at higher elevations.
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