Vocabulary
True or false
Atmosphere
Density/bad stuff
100
The covering of gasses around earth is called
What is atmosphere
100
*altitude* is the condition of Earth's atmosophere at a particular time and place
What is False Weather
100
the percentage of Oxygen in the air is approximately
What is 21%
100
Photochemical smog is caused by the action on chemicals of
What is Sunlight
200
the amount of gas in a given volume is
What is density
200
Fire needs *nitrogen* to burn
What is False Oxygen
200
The stratosphere helps protect earth from too much ultraviolet radiation because this layer of the atmosphere contains
What is O-Zone
200
Harmful substances in air, water, or soil are called
What is pollutants
300
The distance above sea level is called
What is altitude
300
Over the past 30 years, air quality in the United States has generally *improved*
What is True
300
which layer of the atmosphere protects Earth from Meteoroids
What is Mesosphere
300
The amount of mass in a given volume of a substance is its
What is Density
400
the four main layers of the atmosphere are classified according to
What is temperature
400
Air pressure decreases as altitude *decreases*
What is False Increases
400
The warmest layer of the atmosphere is
What is Thermosphere
400
as the density of air decreases, its pressure__________
What is Decreases
500
the most abundant gas in the atmosphere is
What is nitrogen
500
Auroras occur in the *ionosphere*
What is True
500
the Gas in the atmosphere that varies from place to place and time to time is
What is water vapor
500
Air pressure is measured in
What is Millibars
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