Air Pressure & Wind

Low pressure will usually bring what kind of weather?

• Sunny
• Calm
• Stormy

High pressure will usually bring what kind of weather?

• Sunny

• Cloudy

• Partly cloudy

What is the instrument called that measures air pressure?

• thermometer

• anemometer

• wind vane

• barometer

Moving air is called _______. 

• mud
• wind
• rain
• sunshine

What is something that measures the speed of wind?

• psychrometer

• barometer

• windmill

• thermometer

What does this instrument measure?

• Wind Direction

• Wind Speed

• Barometric Pressure

• Relative Humidity

The air pressure is _____ when closest to the earth's surface.

• low
• stinky
• high
• thin

Air is more and more thin as you go higher in altitude because there is ___________ at a high altitude.

• less air pressure

• more air pressure

• more gravity

• more water vapor

Air pressure is greatest when near Earth's surface because?

• The air molecules are farther apart.
• The air molecules are closer together.
• Air molecules collide.
• Air molecules are tightly packed.

When compared to low altitudes, the amount of oxygen in each breath is ____ at high altitudes.

• less

• more

• the same