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2-1 What is Weather
Science 7F
15
Science
7th Grade
04/23/2013

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Term
Weather
Definition
state of the atmosphere at a specific time and place time and place, determind by factors including air pressure, humidity, temperature, wind, and precipitation
Term
Humidity
Definition
amount of water vapor held in the air
Term
Relative Humidity
Definition
measure of the amount of moisture held in the air compared to the amount it can hold at a given time
Term
Dew Point
Definition
temperature at which air is saturated and condensation forms
Term
fog
Definition
stratus clouds that occur near the gound
Term
precipitation
Definition
occurs when cloud droplets combine and grow large enough to fall to earth
Term
Cumulus
Definition
masses of puffy white clouds with flat bases
Term
Cirrus
Definition
appear fibruos or puffy high, thin, with flat bases
Term
stratus
Definition
Form layers, or smooth even sheets in the sky. low also forms fog
Term
Hail
Definition
Type of prcip that forms usally during the summer and when the air near the ground is warm
Term
Rain
Definition
Type of precip that forms when the air is warm every where
Term
Sleet
Definition
Type of precipitation ussaly forms when the air is warm but the ground cold
Term
Snow
Definition
Type of Precipitaion usally forms when the air is cold as whel as the air near the ground
Term
Wind Vane
Definition
DEvice used to tell the direction of the wind
Term
Anemometer
Definition
Device used to measure the speed of wind generally used by sailers
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