cold air mass under warm one
cold front
what causes weather
air pressure
what are clouds made of
condensed water vapor
precipitation is formed by
Large water droplets
fronts are places where ________ collide
air masses
by measuring air pressure, scientists can predict the ________
weather
clouds are formed when water vapor condenses onto _______ or _______
dust or smoke
water freezes at what temperature
32°
a front where warm covers cold
warm front
what causes air pressure
uneven atmospheric heating by the sun
some clouds can become _______
thunderstorms
sleet is ______
frozen rain
warm air does what
rises
what measures air pressure
a barometer
clouds drop _______
percipitation
what types of precipitation are there?
rain, snow, sleet, and hail.
what is a stationary front
two cold and warm air masses equally pushing against each other
In low pressure, air ________
rises
what type of cloud can spawn tornadoes
cumulonimbus clouds
what type of precipitation can destroy cars
hail