Air masses

Continental Tropical

________- formed over land in an area that is warm.

Continental Polar

________- formed over land in an area that is cold.

Maritime Tropical

________- formed near or over a body of water in an area that is warm.

Maritime Polar

________- formed near or over a body of water in an area that is cold.

Air masses

________ are responsible for day to day weather changes.

Properties of hot air

low density, low pressure, it rises, and it holds more moisture than cold air

Properties of cold air

high density, high pressure, it sinks, and it doesnt hold much moisture

What are some properties of hot air?

low density

low pressure

it rises

and it holds more moisture than cold air

What are some properties of cold air?

high density

high pressure

it sinks

it doesn’t hold much moisture

What are air masses?

large bodies of air that have nearly the same temperature, humidity, and air pressure

throughout the entire air mass

True or False: Air masses have the same or similar properties as the place on the earth over which they formed

True

What are the four types of air masses?

Continental Polar

Continental Tropical

Maritime Polar

Maritime Tropical

True or False: Wind is air in motion

True

True or False:Wind always blows from high pressure to low pressure

True

What is a barometer?

The tool or instrument we use to measure air pressure