Weather: Air Pressure, Air Masses and Fronts

Front

What force pulls air down to the surface of the Earth?

Back

Gravity is the force that pulls air down to the surface of the Earth.

Front

What does a low pressure symbol represent in weather?

Back

A low pressure symbol indicates areas where the air pressure is lower than the surrounding areas, often associated with stormy weather.

Front

Which city is experiencing low air pressure if Clarksville has 24.34 inHg and Knoxville has 30.34 inHg?

Back

Clarksville is experiencing low air pressure.

Front

True or False: Cold air contracts and sinks because it is more dense.

Back

True. Cold air is denser than warm air, causing it to sink.

Front

What type of air mass forms over the ocean and comes from the Polar Zone?

Back

A cold and moist air mass forms over the ocean and comes from the Polar Zone.

Front

What is air pressure?

Back

Air pressure is the force exerted by the weight of air above a surface.

Front

What happens to air pressure as altitude increases?

Back

Air pressure decreases as altitude increases.

Front

What is an air mass?

Back

An air mass is a large body of air that has uniform temperature and humidity characteristics.

Front

What is a front in meteorology?

Back

A front is a boundary between two different air masses.

Front

What type of weather is associated with high pressure?

Back

High pressure is usually associated with clear skies and calm weather.