ADES LT 9.1

Which weather tool measures air pressure?

• thermometer
• barometer
• anemometer
• psychrometer

What kind of weather is usually associated with a high pressure system?

• Sunny weather
• Precipitation (rain, snow, etc.)

In what direction do winds always blow?

• From areas of high pressure to areas of low pressure
• From areas of low pressure to areas of high pressure

Which condition usually means cloudy, stormy weather?

• high pressure
• low pressure

As you climb up a mountain what happens to the air pressure?

• decreases
• increases
• stays the same

Convection takes place because

• warm air is more dense than humid air
• warm and cold air have the same density
• cold air is less dense than warm air
• cold air is more dense than warm air

A _____ is a large, swirling, low-pressure system that forms over the Atlantic Ocean.

• blizzard
• cold front
• tornado 
• hurricane

What type of weather would you expect with the pressure system pictured?

• clear
• cloudy
• severe storms
• hot

What does this symbol on a weather map indicate? 

• High pressure system
• Low pressure system
• Cold Front
• Warm Front

The barometer shows the air pressure is dropping.  What kind of weather will likely pass through our area in the coming days?

• clear, fair weather
• cloudy, rainy weather