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atmosphere
almosphere questions
21
Science
7th Grade
11/14/2007

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Term
the study of atmosphere and it's associated phemomena is called?
Definition
meterology
Term
a is a thin layer of gasses that surround the earth
Definition
atmosphere
Term

~starts from the surface to 10-12 killometers (10miles) It is were most weather phenomena takes place.

Definition
troposphere
Term
~is how much matter the object has
Definition
mass
Term
the ~ is a messure of how much space an object takes up
Definition
volume
Term
~ is how hevy something is for it's size
Definition
denisity
Term
changes in air pressure , wind direction ,humity and temp. are excellent indications of ?
Definition
changeing weather
Term
~vast boddies of air with uniform temp. and moisture
Definition
air masses
Term
~ is a measure of forse per unit area that that the gass molaculos in the atmosphere exert onto the surface of the earth
Definition
atmosphere pressure
Term
is the result of high and low presure diffrences and the atmosphere's attempt to equilize the oressure diffrences
Definition
wind
Term
Vihelm and jacob Bjecknes devolped
Definition
weather station
Term
two most common elements in earths atmosphere are
Definition
oxygen and netrogen
Term
when moving warm air mass collides with a slowly moveing cold air mass and warm air mass becomes less dence and slides over the cold air. The typ of from is called a ~ front
Definition
warm
Term
changes in the atmoshere presure are messures with 
Definition

barometer

Term

relatively high pressure will flow to reativly low pressure is called ~

Definition
Pressure gradient forse
Term

when 2 air masses meet they tend to not mix the area that seperates the 2 is called a

Definition
front
Term

forms when a warm front or cold front stops moveing.

Definition
stationary front
Term

when 2 cool air masses merge, forming the warmer air between them to rise, is calles ~

Definition
occludud front
Term

indicates fair and dry weather, also blocks/ defects approching bad weather

Definition
high pressure
Term

changes in atmosphere pressure are messured with this

Definition
barometer
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