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8th Science Air Mass

QuestionAnswer
Large volumes of air that have generally the same temp and pressure Air masses
Explain the difference bw a continental (c) air mass and a maritime (m) air mass. Continental air masses form over land and are dry. Maritime air masses form over water and are wet.
Explain the difference between a polar (P) air mass and a tropical (T) air mass. Polar air masses are cold and dry. Tropical air masses are warm and humid.
cP Continental polar
cT Continental tropical
mP Maritime polar
mT Maritime tropical
Which air mass affects Louisiana weather the most? Name the symbols and tell where it forms. Marine tropical (mT); Pacific Ocean
High pressure = rising or sinking air? Sinking air
Low pressure = rising or sinking air? Rising air
Does air move from high pressure to low, or low to high? From high to low pressure
Air is heated and rises, leaving low pressure areas behind Global Winds
The area where two air masses with different temps and densities collide but don't mix. The collision causes changes in the air. Weather front
In the cold front animation, which aur mass is doing the pushing? Cool air
In the cold front animation, what forms when the warm air gets pushed "up" by the cold air? Warm air
In the cold front animation, what kind of clouds form at the frontal boundary? Rain clouds
In the cold front animation, what weather is associated with this cloud type? Cold front/rainstorm
In the warm front animation, which air mass is doing the pushing? Warm air
In the warm front animation, what firms when the aur rides "up" over the cold air? Clouds
In the warm front animation, what kind of clouds form at this frontal boundary? Rain clouds
In the warm front animation, what kind of rain clouds are at the very front edge of this boundary? Rain clouds
Along which frontal boundary will thunderstorms develop? Cold front
Along which frontal boundary will all-day rain occur? Warm front
What happens at a Stationary Front? Warm and cool air collide making huge clouds and rain, snow or fog.
What happens to winds in the northern hemisphere as a result of the Coriolis Effect? Deflected to the right
What happens to the winds in the southern hemisphere as a result of the Coriolis Effect? Air moving from high to low
Which way does the Coriolis Effect deflect wind in the northern hemisphere? Influences wind deflecting its path to the right.
Air descends (comes down) at high pressure areas. Why does descending aur not allow for clouds to form? As air descends, it warms which inhibits cloud formations.
Air descends (goes up) at low pressure areas. Why does ascending air allow for clouds to form? It gets colder higher up and as the air gets colder, the particles move closer together and the air gets denser. Because there are so many particles in a small space, it becomes hard to see through, like fog or mist.
What is the direction around a high pressure system? Clockwise
What is the direction around a low pressure system? Counterclockwise
Created by: blakelyk
 

 



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