Flashcards in Atmosphere Composition & Layers Deck (37)
what is Earth's atmosphere composed of?
air is a mixture of...
gases and suspended particles
What three gases comprise air?
nitrogen, oxygen, argon
In EArth's atompherse there are small quantities of ____ and _____
The atmosphere is ______ percent nitrogen and _______ percent oxygen
what are two trace gases?
carbon dioxide and methane
what important properties do some trace gases have?
absorb radiation - protect and warm
Trace gases that absorb radiation are called...
Greenhouse gases are trace gases that absorb ______
What are the four main layers of the atmosphere?
troposphere, stratosphere, mesosphere, thermosphere
what are the boundaries in-between the four main layers of the atmosphere called?
pauses are the the_______ of four main layers of the _______
Which is the lowest layer of the atmosphere?
where all human activity occurs.
The troposphere is kept warm by Earth's ______
as you go higher in the troposphere, the temperature ______
the average rate of temperature drop is called the ________ _______ rate
What is the environmental lapse rate in the troposphere?
drop of 6.5 degrees celsius per 1000m
the boundary between the troposphere and the stratosphere is called the .....
what is located in the stratosphere?
the ozone layer
the _______ layer is in the stratosphere
the ozone layer contains ______ gas
Ozone efficiently absorbs UV ______ and ______
light and radiation
what does the ozone efficiently absorb?
UV light and radiation
why does the temp increase in the stratosphere?
because of all of the absorption of UV light
list the four layers of earth's atmosphere and their boundaries in increasing elevation?
troposphere -> tropopause ->stratosphere -> stratopause --> mesosphere -> mesopause -> thermosphere
Does temp increase or decrease in troposphere with elevation?
Does temp increase or decrease in stratosphere with elevation?
Does temp increase or decrease in mesosphere with elevation?
Does temp increase or decrease in thermosphere with elevation?