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2-2
higgy
25
Science
7th Grade
04/29/2013

Additional Science Flashcards

 


 

Cards

Term
air mass
Definition
a big mass of air that has the characteristics of the land that it goes across
Term
front
Definition
a boundary between air masses
Term
warm front
Definition
it is were a warm air mass overpowers a cold air masses
Term
cold front
Definition
is when a cold fair mass overpowers a warm front
Term
hurricane
Definition
low pressure system that forms over the warm atlantic ocean
Term
meteorologists
Definition
people that study weather
Term
meteorology
Definition
the study of weather
Term
blizzard
Definition
very fast winds with low temperatures
Term
tornado
Definition
violent rotating coloumn of air
Term
lightning
Definition
flash of electricity when two oppositely charged clouds collide
Term
thunder
Definition
the sound of lightning
Term
stationary frontg
Definition
boundary between air masses that stops moving
Term
high pressure system
Definition
wind blows away from center of high pressure is a clockwise
Term
low pressure system
Definition
wind blows into a low pressure system in a counter clockwise direction
Term
eind
Definition
caused by uneven heating of the Earths surface.
Term
temperature
Definition
average speed of molecules at a specific time
Term
weather
Definition
the state of the atmosphere at a specific time and place
Term
atmosphere
Definition
thin vail of air that surrounds the earth
Term
ozone
Definition
made up of 3 molecules
Term
ozone hole
Definition
place where level of ozone has depleted
Term
anemomter
Definition
measures wind speed
Term
wind vane
Definition
measures wind direction
Term
dew point
Definition
temperature at which water condenses
Term
snow
Definition
water which freezes before hitting the ground
Term
how a cloud forms
Definition
evaporation warm water rises
condenses to form a cloud
dew point determines the height
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