Air Pressure

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

• increases
• decreases
• stays the same

A device that is used to measure atmospheric pressure is a ___________.

• barometer
• thermometer
• kilometer
• micrometer

Air pressure is greater _______.

• at the top of the mountain
• at the bottom of the mountain
• at the center of the mountain

Density of air is greater ________.

• at the top of the mountain
• at the bottom of the mountain
• at the center of the mountain

___________is the result of the weight of a column of air pushing on an area.

• air pressure
• density
• volume
• none of the above

In what direction(s) does air exert pressure?

• everywhere
• no where
• there is no pressure
• downward

What is altitude?

• how much something weighs
• the distance above sea level
• how big something is
• how far away something is

78% of earth's atmosphere is composed of ______________.

• methane
• oxygen
• argon
• nitrogen

When going up in an elevator, your ears 'pop' because the air pressure 

• Remains the same 
• Decreases 
• Increases 

A low pressure system usually causes 

• Clearing Weather 
• Wet Weather
• Fair Weather