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Atmosphere

Vocabulary terms from the Introduction to the Atmosphere Notes

QuestionAnswer
atmosphere layer of gases that surrounds a planet
nitrogen makes up 78% of dry air
oxygen makes up 21% of dry air
water vapor water in the form of a gas
pollen and volcanic ash examples of natural sources of pollution
pollutants harmful substances found in the air, in water or on land
trace gases gases found in very small quantities in the atmosphere
hydrogen and helium examples of trace gases
Ozone Alert Day day when high levels of ground level ozone are expected
acid rain precipitation that contains sulfuric and nitric acid
three number of oxygen atoms in an ozone molecule
hot and sunny weather conditions that increase ozone production
ground-level ozone "bad ozone"
photochemical smog occurs when sunlight reacts with certain chemicals to form ground level ozone
colorless, tasteless and odorless 3 characteristics of ozone
 

 



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