Weather

Air masses are classified by which 2 characteristics?

• temperature and air pressure
• air pressure and wind speed
• air pressure and humidity 
• temperature and humidity

Large bodies of air that form over land or water in the polar or tropical regions are called --

• cold fronts
• air masses
• low pressure
• high pressure

Which weather front are severe storms most likely to develop?

• warm front
• stationary front
• cold front
• occluded front

Name the front.

• cold front
• occluded front
• stationary front
• warm front

Name the fast moving ribbon of air that moves near the top of the troposphere? 

• doldrums
• jet stream
• easterlies
• trade winds

What does the H and L stand for on the weather map?

• high and low pressure systems
• heat and land regions
• heavy and local winds
• high and long distances

Which weather system is characterized by generally poor weather?

• cold front
• low pressure
• warm front
• high pressure

Which system results in drier, fairer weather?

• low pressure
• high pressure
• hurricane
• weather system

Which term describes a circulation of air or water that is caused by uneven heating?

• convection current
• conduction current
• radiation current
• emission current

What creates the air pressure difference between the equator and the poles?

• The length of the seasons
• the shape of the earth
• the duration of the solar year
• the amount of direct sunlight each area receives