The boundary  between two air masses is known as:

• front
• storm
• climate
• flood

Cold air traveling south from Canada is:

• continental tropical
• continental polar
• maritime tropical
• maritime polar

Warm air moving upwards from the Gulf of Mexico is:

• continental tropical
• continental polar
• maritime tropical
• maritime polar

This type of front can bring strong storms

• cold
• warm
• stationary
• occluded

This type of front results in the same weather for several days

• warm
• cold
• stationary
• occluded

This weather tool measures wind speed and direction

• thermometer
• barometer
• anemometer
• psychrometer

In which layer of the atmosphere is the majority of water vapor found?

• Thermosphere
• Mesosphere
• Stratosphere
• Troposphere

Which weather tool measures air pressure?

• thermometer
• barometer
• anemometer
• psychrometer

What is the most abundant gas found in the atmosphere?

• Carbon Dioxide
• Nitrogen
• Oxygen
• Water Vapor

Clouds are formed when millions of drops of water become suspended in the air.  Which of the following is a step in the process of cloud formation?

• Condensation of Water Vapor
• Expansion of Cold Air
• Breakdown of Atmospheric Ozone
• Formation of Carbon Dioxide