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The five layers of the atmosphere

Five layers of the atmosphere. Mr. Lattanzio. Krystal Underwood
by

Krys Underwood

on 4 April 2011

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Transcript of The five layers of the atmosphere

The five layers of the atmosphere The troposphere The troposphere contains almost 90% of the atmosphere's
total mass. Almost all carbon dioxide, water vapor, clouds,
and air pollution are found here. This is the layer in which
we live. It is the densest, lowest layer of all the atmospheric layers. The stratosphere The stratosphere is extremely
cold because of ozone. Ozone
is a molecule made up of three
oxygen atoms.Almost all of the
ozone in the atmosphere is
continued in the ozone layer
in the stratosphere. The air is very thin here, and contains little moisture. Temperature is constantly increasing when altitude rises. Mesosphere The mesosphere is the coldest layer.
The temperature can drop when
altitude increases because of the many
gases absorbing solar radiation. The
thermosphere is high in many temperatures
but would not feel hot. Thermosphere The uppermost atmospheric
layer is the thermosphere.
Temperature increases with
altitude because of the many
gases absorbing solar radiation.
The thermosphere isn't very hot.
Its temperatures, though are
very high. The ionosphere In the upper mesosphere and lower thermosphere, nitrogen and oxygen absorb harmful solar energy. These are ions, and live in the ionosphere. Northern and Southern lights occur here. i reall mr. l sucks! bibliography
http://www.windows2universe.org/earth/Atmosphere/thermosphere.html
http://www.windows2universe.org/earth/Atmosphere/ionosphere.html
http://www.windows2universe.org/earth/Atmosphere/mesosphere.html
http://www.windows2universe.org/earth/Atmosphere/troposphere.html
The thermosphere can be found right under the mesosphere and right above the exosphere. It extends to between 500 and 1000 km above our planet. Temperatures can climb sharply here, but once they do they level at that height. Even though it's considered a part of Earth's atmosphere, it's commonly reffered to as a part of outer space. Much of the x-ray and UV radiation is absorbed in the thermosphere. The ionosphere is really an extension of the thermosphere. It represents more than 0.1% of the Earth's mass. It's ionoized by solar radiation. This means that at this level, the sun is so strong that is breaks apart molecules. The more active the sun is, the more and more often ionozation happens.Temperatures in the ionosphere really just get hotter as you go up. As you get higher in the mesosphere,
the temperature gets colder. The top
of the mesosphere is the coldest layer
of the earths atmosphere. Even though
we know this much, scientists know
less about the mesosphere than any
other layer in the atmosphere. Nothing
can fly high enough to reach the
mesosphere so we can test it out. The troposphere starts on the earth's surface since this is the layer that we live on. It goes up to a height of about 20 km past earth. Almost all of the water vapor and dust particles are found here in the troposphere. It is heated from below, sunlight heats the water in the ocean which rises to the land and heats that, too.
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