Shared Flashcard Set

Details

science test vocab review
vocab from section 20
21
Science
7th Grade
10/10/2006

Additional Science Flashcards

 


 

Cards

Term
air mass
Definition
a large body of air in the lower troposphere that has similar characteristics throughout
Term
continental arctic
Definition
extremely cold and dry
Term
continental polar
Definition
warmer than cA but still cold and dry
Term
maritime polar
Definition
cold and damp
Term
maritime tropical
Definition
warm and humid
Term
continental tropical
Definition
hot and dry
Term
front
Definition
the boundary that separates opposing air masses
Term
cold front
Definition
the boundary between an advancing cold air mass and the warmer air mass it is displacing
Term
warm front
Definition
the boundary between a cold air mass being displaced by a warm air mass
Term
occluded front
Definition
when a warm air mass is caught between two cold air masses and is forced to rise
Term
stationary front
Definition
not moving forward; the warmer air rises over the denser, colder air
Term
thunderstorms
Definition
storms with lighting, thunder, rain, and sometimes hail
Term
squall lines
Definition
lines ahead of a front that thunderstorms could occure in often preceded by strong winds.
Term
supercells
Definition
very large single-cell thunderstorms with particularly strong updrafts
Term
lightning
Definition
a discharge of exectricity from a thundercloud to the ground, another cloud, or another spot withing the could itself
Term
tornado
Definition
a violently rotating column or air that usually touches the ground
Term
hurricane
Definition
a large rotating storm of tropical origin that has sutained winds of at least 119 kilometers per hour
Term
storm surge
Definition
the strong winds of the eye wall blow water into a broad dome
Term
saffir-simpson scale
Definition
what meteorologists rate a hurricane's strength with
Term
blizzard
Definition
a winter storm characterized by high winds, low temperatures, and falling or blowing snow
Term
station model
Definition
includes info on temperature, dew point, weather conditions, wind speed and direction, barometric pressure, and cloud cover
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