a barometer is used to measure rain and wind.
True or False
False
How many main gases are in the air?
4 gases
water enters the atmosphere through
evaporation
How does the jet stream affect the weather
They are responsible for transporting the weather systems
what is one way to reduce air pollution
burn less fossil fuels
CFCs stands for chlorofluorocarbons.
True or False
True
Which one is colder than the other mesosphere or stratosphere?
what is a large body of air with the same temperature and humidity
air mass
Define Convection current
a current in a fluid that results from convection
what is the most common air pollutant
particulate matter
what is it called when 2 fronts meet then stop for an extended amount of time.
Stationary front
Which clouds are closest to the ground
Cumulus
what does the atmosphere protect
protect earth from the sun's harmful ultraviolet radiation
What are the 2 jet streams in the continental U.S
Polar and subtropical jet stream
what layer is ozone in
stratospher
a low pressure system causes good sunny weather
True or False
false
Decreases
how does the falling air pressure affect the weather
it causes thunderstorms
Define global winds
They are the dominant prevailing winds that blow in a fairly constant steady direction across earth
what is the highest layer of the atmosphere
exosphere
what is the greenhouse effect?
The trapping of the sun's warth in a planet's lower atmosphere
What layer does the sun's radiation hit first
exosphere
what is the scale used to measure a tornado's intensity
Fujita scale
What is our global wind belt
The westerlies
where does all weather occur
troposphere