The Atmosphere
Air Pressure
Layers of the Atmosphere
Air Quality
True or False
100
The condition of Earth's atmosphere at a particular time and place
What is weather
100
The amount of mass of a substance in a given volume
What is density
100
The lowest layer of Earth's atmosphere
What is troposphere
100
Rain that contains more acid than usual
What is acid rain
100
Because air has mass, it also has other properties, including density and pressure
True
200
The envelope of gases that surrounds Earth
What is atmosphere
200
The amount of force pushing on an area
What is pressure
200
The two layers of the thermosphere
What is ionsphere and exosphere
200
Harmful substances in air, water or soil
What is pollutants
200
The burning of fossil fuels does not cause smog and acid rain
False - burning of fossil fuels causes smog and acid rain
300
A form of oxygen that has three oxygen atoms in each molecule instead of the usual two
What is ozone
300
The pressure caused by the weight of a column of air pushing down on an area
What is air pressure
300
The second lowest layer of Earth's atmosphere
What is stratosphere
300
A brownish haze that is a mixture of ozone and other chemicals, formed when pollutants react with each other in the presence of sunlight
What is photochemical smog
300
The earths atmosphere is divided into five main layers classified by changes in the temperature
False, there are four main layers
400
Water in the form of a gas
What is water vapor
400
An instrument used to measure changes in air pressure
What is a barometer
400
The layer of Earth's atmosphere immediately above the stratosphere
What is mesosphere
400
Forest fires, soil erosion and dust storms
What is a natural source of pollution
400
Earth's atmosphere makes conditions on Earth suitable for living things
True
500
Name two of the major gases in the atmosphere
What is nitrogen and oxygen
500
Elevation above sea level
What is altitude
500
The outmost layer of Earth's atmosphere
What is thermosphere
500
Farming, construction, fossil fuels
What is human activities that cause pollution
500
The thermosphere is the layer of the atmosphere that protects Earth's surface from being hit by most meteoroids
False - the mesophere
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