What instruments are used to measure air pressure?

• barometers
• hydrometers
• flux capacitor
• thermometer

Global winds generally

• are unpredictable
• change directions day to day
• blow from specific directions over long distances

Winds in mid-latitudes that blow from west to east are called:

• temperature
• prevailing westerlies
• trade winds

A tool to measure how hot or cold the air is:

• barometer
• trombone
• thermometer

The doldrums are characterized by:

• falling air
• high pressure
• weak winds

What happens to air pressure as you move upward into the atmosphere?

• increases
• decreases
• stays the same

What does the ozone layer protect living things from?

• visible light
• carbon dioxide
• ultraviolet radiation

You are sitting outside and your arm gets warm from the sun. This is an example of:

• radiation
• convention
• conduction

What causes winds?

• differences in precipitation
• differences in humidity
• differences in air pressure

The condition of Earth's atmosphere at a particular time and place is called:

• climate
• trade winds
• weather