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Chapter 17-19 questions
study guide
8
Environmental Studies
9th Grade
02/14/2013

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Cards

Term
How does weather and climate differ?
Definition
Weather-events occurring now;climate-weather that occurs year long.
Term
List the items found in the atmosphere along with its percentage?
Definition
Nitrogen-78% Oxygen-21% other gases-2%
Term
Explain the difference between primary pollutants and secondary pollutants. Give examples of each.
Definition
Primary pollutant-pollutants that enter the atmosphere from a visible source, secondary pollutant-pollutants that enter the atmosphere through other methods.
Term
Where is ozone found? What is its purpose?
Definition
Ozone is in the stratosphere-purpose is to lock in heat.
Term
What happens to pressure and temperature as you increase in altitude?
Definition
Pressure and temperature decreases.
Term
Explain the differences between rotation and revolution?
Definition
Rotation-spinning on its axis(day and night)and revolution-revolving around a body(365.25days).
Term
List the layers of the atmosphere in order from the earth's surface upward?
Definition
Troposphere,statosphere,mesosphere,thermosphere.
Term
Explain dfference
Definition
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