Air Composition & Characteristics
Terms in this set (15)
The blanket of air that surrounds the Earth.
The most abundant gas in the atmosphere
The second most abundant gas in our atmosphere, that makes up 21% of the atmosphere
Humidity, Temperature, Air Pressure, Altitude
What are the 4 characteristics of air that influence weather?
Because it contains molecules
Why does air have mass?
Water that is in the form of a gas
What is the force of air molecules pushing on an area?
What is the amount of mass in a given volume of air?
Higher Density=Higher Air Pressure
How is density related to air pressure?
The height above sea level
Air pressure decreases
When altitude increases what happens to air pressure?
What is the chemical formula for ozone?
What chemical prevents ozone from forming?
What is a mixture of elements and compounds in the gas phase?
Absorbs ultraviolet light and protects living things
Why is the ozone layer important?
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