The Air Around You
Air Pressure
Layers of the Atmosphere
Air Quality
Potpourri
100
The condition of the earth's atmosphere at a particular time and place
What is weather?
100
mass divided by volume
What is density?
100
The four layers of the Earth's atmoshere are classified according to ___________________________
What are changes in temperature?
100
Two results of burning fossil fuels
What are smog and acid rain?
100
The outermost layer of the Earth's atmosphere
What is the thermosphere?
200
78% of the Earth's atmoshere
What is nitrogen?
200
Two common types of barometers
What are mercury and aneroid barometers?
200
The four layers of the Earth's atmoshere
What are the troposphere, stratosphere, mesosphere, and theremosphere?
200
Harmful substances in the air, water and/or soil
What are pollutants?
200
The force pushing on an area or surface
What is density?
300
The percentage of nitrogn and oxygen in the Earth's atmoshere
What is 99%
300
The relationship between air pressure and density
What is when air pressure decreases so does density?
300
The layer of the Earth's atmoshpere where our weather occurs
What is the troposphere?
300
Two categories of pollution
What are human activities and natural sources?
300
The result of particles in coal smoke combining with water droplets in the air
What is London-Type fog?
400
One atom of carbon and two atoms of oxygen
What is carbon dioxide?
400
The relationship between altitude and air pressure
What is when altitude increases air pressure decreases?
400
Contains the ozone layer
What is the stratosphere?
400
Agency that monitors air quality
What is the Environmental Protection Agency (EPA)?
400
Two results of acid rain
What are damage to buildins and statues and death of living things?
500
Three ways in which the atmoshere is important to life on Earth
What are the fact it contains oxygen and other gases living things need to survive, the trapping of energy from the sun to allow liquid water, and insulation from harmful radiation from the sun
500
Becase air has _______________, it also has density and pressure.
What is mass?
500
Protects the Earth's surface from being hit by most meteoroids
What is the mesosphere?
500
Brown haze that develops in sunny cities
What is photochemical smog?
500
D = M/V M = 56 V = 4 D = ?
What is 16?
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