Foothill High School  Physical Science
Weather
Name________________________Date_______Period____
In the US, temperature is usually measured in ____, while most of the rest of the world uses
____. Areas of high and low pressure affect the weather. High pressure causes the air to
__________. A high pressure system is usually associated with ____________ weather, while low
pressure usually results in _________. Two different types of air masses are warm, humid
______________ air masses and cool, dry _____________ air masses. Relative ____________
describes the amount of ____________ in the air as compared to the maximum it can hold.
Generally as air gets colder it can hold _____________ water.
A _____________ is the boundary between two air masses, which extends both
_______________ and ____________________ in the atmosphere. The zone where warm air is
replacing cold air is known as a _________ __________. In the US, fronts generally move from
______________ to ___________________. A ____________________ front is a front that is not
moving. An _________________ front usually results in storms.
Clouds are generally made of _______________ water. Clouds are classified in ____________
different groups based on _______________. Altocumulus is an example of a ______________
cloud, while cirrus is an example of a ________________ cloud. _____________________ clouds
may produce strong thunderstorms. On a weather map a line that connects points of equal
pressure is called an _______________, while a line the connects equal temperature is an
________________.
water
front
isotherm
humidity
more
condensed
°F
rain
horizontally
sink four
cumulonimbus
sunny
altitude
less
polar
northwest
cold
rise
warm
occluded
tropical
altitude
vertically
front
southeast
mid-level
high-level
isobar
°C
stationary