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32 Cards in this Set
- Front
- Back
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What are the four main gases in the atmosphere?
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nitrogen, oxygen, carbon dioxide, water vapor
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a form of oxygen that has three oxygen atoms in each molecule instead of the usual two
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ozone
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carbon dioxide consists of
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one atom of carbon and two atoms of oxygen
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What increases the amount of carbon dioxide in the atmosphere
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burning fuels
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earths atmosphere makes conditions on earth
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suitable for living things
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The atmosphere changes how often
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constantly
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What does the air contain?
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harmful particles and gases that are polluted
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Some pollution occurs
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naturally
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the burning of fossil fuels can cause
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acid rain or smog
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the burning of coal that contains a lot of sulfur produces sulfur oxide which may combine with nitrogen oxide with water in the air
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acid rain is caused by
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Since air has mass it contains other properties like
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density and pressure
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the amountof massin a goiven volume of air
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density
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How often can air pressure change
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day to day
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Does more dense air have more air pressure than less dense air
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yes
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an instrument used to messure air pressure
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barometer
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National Weather Service Maps indicate air pressure in
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millibars
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Does air pressure increase or decrease as altitude increases
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decreases like density
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as you go up the density
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decreases
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Layers of the atmosphere are classified by
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changes in temperature
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As you go up in the stratusphere it gets
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warmer
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energy fom the sun travels as
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electromagnetic waves
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MOst energy from sun travels in the form of
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visible light and infrared radiation
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some solar radiation is
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absorbed by the atmosphere
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Which layer absorbs most of the ultraviolet radiation
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ozone layer
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What also absorbs energy
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cloud,dust, gases, water bapor, and carbon dioxide
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som sunlight is
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reglected
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The process where gases hold heat in the air
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greenhouse effect
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The transfer of thermalo energy from a hotter object to a cooler one
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heat
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heat is transferred within the atmosphere with
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radiation, conduction, and convection
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Local winds carused bye
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unequal heating of Earth's surface within a small area
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Global winds are caused
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by warm air rising at the equato and cold air sinks at the pole
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Jet Streams blow at a rate about
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200 -400 km per hour
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