Cold air (RISES/ FALLS)  _________.

• RISES
• FALLS

Hot air (RISES / FALLS) __________.

• RISES
• FALLS

Warm air mass that does not carry water:

• 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

Cold air traveling south from Canada is:

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

Cold air mass that is carrying water is:

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

Warm air near the Earth’s surface rises and then cools and drops, this creates a _________________ in the atmosphere.

• run-off
• Greenhouse Effect
• convection current
• water cylce

A(n) _____ is a large body of air that has properties similar to the part of Earth's surface over which it depends.

• tornado
• pressure system
• front
• air mass

_____________ has the same temperature and moisture content throughout. 

• convection current
• front
• air mass

The place where two air masses meet.

• air mass
• air pressure
• water cycle
• front