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Vocabulary
Layers of the atmosphere
Humans action and the atmosphere
Gases in earths atmosphere
the atmosphere
100
What is the definition of ozone layer.
A layer of the upper atmosphere that protects people from the effects of too much ultraviolet radiation.
100
How high does the stratosphere extend.
50
100
Why did the "big smoke" occur in London.
A temperate inversion kept cold air and pollutants near the ground.
100
What is the percentage for argon
0.95
100
What is the atmosphere made mostly of
Nitrogen
200
What is the definition of wavelength
The distance between two crest of wave.
200
How high does the mesosphere extend?
85
200
What are the two types of air pollution called
Primary pollutants and secondary pollutants
200
What is the percentage of hydrogen.
0.00005
200
What are two other gases needed for life
Carbon dioxide and oxygen
300
What is the definition of reflection
To bounce back
300
What happens to the ions in the thermosphere when the sun energizes them
They light up
300
What is air quality
A measure of pollutants in the air
300
Name the gas that makes up 0.0052 percent of the atmosphere
Helium
300
Shy do plants need carbon dioxide
Photosynthesis
400
What is the definition of altitude.
Distance above sea level; elevation.
400
How high does the thermosphere extend
1800
400
List the two sources of air pollutants
Burning of fossil fuels, burning forest,
400
Name the gas that makes up 0.036 present of the atmosphere
Carbon dioxide
400
What are two ways heat energy is transformed
Convection, radiation
500
What is the definition of acid rain
Precipitation that is more acidic than normal.
500
Why do some of the gas molecules sometimes float off into space.
The earth gravity is so week
500
Ozone formed near the ground is classified as a
Secondary pollutants
500
Why do organisms need oxygen
To breathe or live