Air Pressure

________is the instrument used to measure air pressure.

• barometer
• thermometer
• mercury
• watch

Low pressure will usually bring what kind of weather?

• Sunny
• Calm
• Stormy

Pressure is the effect of

• the weight of all the air above pressing down
• water vapor in the atmosphere
• greenhouse gases
• solar radiation

High pressure will usually bring what kind of weather?

• clear and dry
• cloudy and wet

Which weather condition will most likely occur when the atmospheric pressure in an area begins falling?

• dry
• cold
• rainy
• sunny

_____________ is air that flows from areas of high pressure to areas of low pressure.

• Convection Cells

• Wind

• Atmospheric Pressure

_______ pressure systems are characterized by rising air.

• High
• Low

_______ pressure systems are characterized by fair weather.

• High
• Low

Air moves toward the center of a _________ pressure system.

• High
• Low

At the equator the air is usually ________.

• rising
• sinking