How Does Air Move?
The atmosphere is....
all of the air around Earth
The weather at any given time is a result of the __________ in that area.
air mass
True of False: Thunderstorms can form in only one way.
False.
A barometer measures.....
air pressure
A boundary between 2 air masses is known as a...
front
In what layer does most weather take place?
The layer closest to Earth
Fronts typically move from ____ to ____ in the United States.
west, east
A tornado is a ________ column of air.
rotating
Radar can measure the winds and __________ inside a storm.
precipitation
The weight of air pushing down on an area is known as the...
atmospheric pressure
Does air have weight?
Yes.
Areas under high pressure usually have _____ weather.
fair
A strong cyclone that forms over warm ocean water is called a.....
hurricane
A weather forecaster is someone who...
predicts and reports on weather
If something is tempered it is...
warmed in winter and cooled in summer
Are all parts of Earth heated evenly?
No.
Areas under low pressure usually are cloudy, windy, and may have ___________.
precipitation
Hurricanes bring heavy rain, floods, and strong _______.
winds
Weather forecasters observe many _______ to find patterns of weather change.
variables
Wind happens because of....
differences in air pressure caused by temperature differences
When cool and warm air meet, the cool air will _____ and warm air will _____.
sink, rise
Cyclones form when wind spirals...inwards or outwards?
inwards
Small changes in the ocean's temperature can cause ______ changes in the weather.
large
A _________ can tell you what the different symbols on a weather map mean.
legend
The rising and sinking of matter in a circular motion is known as a....
convection current