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ATMOSPHERE ATMOSPHERE

ATMOSPHERE - PowerPoint Presentation

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Uploaded On 2016-07-23

ATMOSPHERE - PPT Presentation

The oceanlayer of gas that surrounds the Earth It is composed of 78 Nitrogen and 21 Oxygen The other 1 is a mixture of other gasses We depend on this balance of gas for our survival When it is out of balance we have problems ID: 417102

gas layer troposphere atmosphere layer gas atmosphere troposphere stratosphere rays mesosphere thermosphere balance oxygen space occurs air planes

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Slide1

ATMOSPHERE

The ocean/layer of gas that surrounds the Earth. It is composed of 78% Nitrogen and 21% Oxygen. The other 1 % is a mixture of other gasses. We depend on this balance of gas for our survival. When it is out of balance, we have problems.Slide2

It is our atmosphere that protects us from space debris, and allows life. It allows the right amount of heat in and out. It is fragile and can be easily be destroyed.Slide3

The atmosphere is divided into four main parts. The

Troposphere, the Stratosphere, the Mesosphere, and the Thermosphere.Slide4

We live in the Troposphere. It is around 7.5 miles thick. It is the layer were almost all weather occurs, and most airplanes fly. (The only planes that go above the Troposphere are military planes.) This is the layer were the hydrologic cycle occurs and were most of our gas is found. Remember air pressure is the weight of this gas pushing down on you.

Slide5

The next layer up is the Stratosphere. It contains the Ozone layer ( O3). It is thin layer of enriched oxygen that is responsible for blocking most of the burning UV rays from the sun. It is a cold, dry layer of air.Slide6

The third layer is the Mesosphere. This is the coldest layer. It is in this layer that most meteoroids that enter our atmosphere burn up.Slide7

The fourth and final layer is

the Thermosphere.

This is the hottest layer

since it is the first to

receive the sun’s rays.

Beyond this layer is space.Slide8