Weather Variables, Fronts, Air Masses, and Global Winds Test

Front

What does a high pressure system indicate on a weather map?

Back

A high pressure system typically indicates clear skies and fair weather.

Front

What instrument is used to measure air pressure?

Back

A barometer is used to measure air pressure.

Front

What type of front is characterized by warm air rising over cold air?

Back

A warm front is characterized by warm air rising over cold air.

Front

What are jet streams?

Back

Jet streams are narrow belts of strong winds found in the upper troposphere.

Front

In which direction does a warm front typically move?

Back

A warm front typically moves north.

Front

What does a low pressure system indicate on a weather map?

Back

A low pressure system often indicates cloudy skies and precipitation.

Front

What instrument measures temperature?

Back

A thermometer measures temperature.

Front

What type of front occurs when two air masses meet but neither advances?

Back

A stationary front occurs when two air masses meet but neither advances.

Front

What are trade winds?

Back

Trade winds are steady winds that flow from east to west in the tropics.

Front

What is the role of a wind vane?

Back

A wind vane indicates the direction of the wind.