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weather
ozga
49
Science
7th Grade
04/25/2014

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Cards

Term
why is there uneven heating of the earth's surface?
Definition
because land and water heat up diff. rates.
Term
how is this heat redistributed?
Definition
it is distributed by air and water currents.
Term
humidity
Definition
amount of water vapor in the air
Term
weather
Definition
state of atmosphere at a certain time and place
Term
wind
Definition
air moving in a specific direction
Term
temperature
Definition
measure of average amount of motion in molecules.
Term
anemometer
Definition
measures wind speed
Term
wind vane
Definition
measures wind direction
Term
fog
Definition
stratus cloud formed near the ground.
Term
what three factors that determine the shape and height of clouds
Definition
temparture,pressure, amount of water vapor in the atmosphere.
Term
elevation prefixes low middle high
Definition
strato,alto and cirro
Term
characteristics of clouds
Definition
Term
means rain
Definition
nimbus
Term
puffy cloud with flat base
Definition
cumulus
Term
thunderhead
Definition
is a cumulonimbus cloud
Term
low carpet of rain clouds
Definition
nimbostratus
Term
middle level puffy clouds
Definition
alto cumulus
Term
true or false low altitude prefix is alto
Definition
false strato
Term
true or false cumulus means rain
Definition
false nimbus
Term
true or false high altitude is cirro
Definition
true
Term
air mass
Definition
Large body of air that has properties similar to Earth’s surface over which it forms.
Term
cold front
Definition
cool air advances towards warm air
Term
warm front
Definition
warm air advances towards cold air
Term
stationary front
Definition
neither one advances
Term
high pressure equals
Definition
good weather
Term
low pressure equals
Definition
bad weather
Term
thunderstorms
Definition
severe rain storms
Term
lightning
Definition
rapid up and down movement of air causes build up of charge ( like staticelec.)
Term
thunder
Definition
heating up of air by lightning
Term
hurricanes
Definition
most powerful storm
Term
fujita scale
Definition
measure tornadoes through 0-5
Term
in tornadoes winds can reach up to
Definition
300 mph
Term
hurricane season is thru
Definition
june-october.
Term
blizzards need to have
Definition
1) High winds
2) Low visibility
3) Persist for 3 hours
Term
blizzards are
Definition
severe winter storms
Term
front
Definition
boundary bewtween two air masses
Term
high pressure
Definition
clockwise
Term
low pressure
Definition
counterclockwise
Term
things that lead up to a hurrricane
Definition
1.tropical depression,2. tropical storm,3. hurricane(winds over 74 mph)
Term
hurricanes lose power over what
Definition
land
Term
tornado alley
Definition
area in the midwest where 90 percent of the earth's tornadoes occur
Term
tornadoes are found in severe whats
Definition
thunderstorms
Term
form over and fueled by warm______
Definition
water
Term
meteorologist
Definition
person who studies weather
Term
meteorology
Definition
the study of weather
Term
station model
Definition
a combination of symbols on a weather map
Term
isotherm
Definition
line connecting points of equal temperature
Term
isobar
Definition
line connecting points of equal pressure
Term
barometer
Definition
instrument used to measure air pressure
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