Mr. Lapsley Earth Science
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Mr. Lapsley Earth Science
Created by: Mr. Brandt – High School of Graphic Communication Arts
The atmosphere: the layer of gases that surrounds Earth.
The atmosphere is made mostly of Nitrogen (78%) and Oxygen (21%).
Pressure and water vapor concentration decrease as you go higher in the atmosphere.
The atmosphere has no definite outer boundary.
Earth’s atmosphere is divided into 4 layers that each have a unique temperature pattern.
The layers are separated by boundaries called pauses.
Troposphere: the bottom layer of Earth’s atmosphere. Most of Earth’s weather occurs in the troposphere. The troposphere is much denser than the rest of the atmosphere. The troposphere is 10km thick. As altitude increases in the troposphere, temperature decreases at a constant rate. The troposphere contains nearly all of the atmosphere’s water vapor.
The stratosphere and mesosphere are the middle layers of Earth’s atmosphere. They are both approximately 30km thick. The stratosphere contains the ozone layer. Temperature increases as you go higher in the stratosphere because the ozone layer absorbs the Sun’s Ultraviolet (UV) Radiation. The mesosphere gets very cold!
Thermosphere : the highest layer of Earth’s atmosphere. The thermosphere is very thick and gradually blends into outer space. As altitude increases in the thermosphere, temperature increases to 1000oC because of intense X-Ray and UV Radiation.
Work in groups to answer the following questions! For each question, you will have 2-3 minutes to write it down and discuss it with the people around you.
Which
layer of the atmosphere do we live in?
What
are some reasons why we couldn’t live in the others?
Where
does the atmosphere end, and outer space begin?
We know that weather events only happens in the troposphere. We also know that the troposphere is the only layer of the atmosphere with water vapor. Do you think there’s a connection between these facts? Why or why not?
Created by: Mr. Brandt – High School of Graphic Communication Arts
The atmosphere: the layer of gases that surrounds Earth.
The atmosphere is made mostly of Nitrogen (78%) and Oxygen (21%).
Pressure and water vapor concentration decrease as you go higher in the atmosphere.
The atmosphere has no definite outer boundary.
Earth’s atmosphere is divided into 4 layers that each have a unique temperature pattern.
The layers are separated by boundaries called pauses.
Troposphere: the bottom layer of Earth’s atmosphere. Most of Earth’s weather occurs in the troposphere. The troposphere is much denser than the rest of the atmosphere. The troposphere is 10km thick. As altitude increases in the troposphere, temperature decreases at a constant rate. The troposphere contains nearly all of the atmosphere’s water vapor.
The stratosphere and mesosphere are the middle layers of Earth’s atmosphere. They are both approximately 30km thick. The stratosphere contains the ozone layer. Temperature increases as you go higher in the stratosphere because the ozone layer absorbs the Sun’s Ultraviolet (UV) Radiation. The mesosphere gets very cold!
Thermosphere : the highest layer of Earth’s atmosphere. The thermosphere is very thick and gradually blends into outer space. As altitude increases in the thermosphere, temperature increases to 1000oC because of intense X-Ray and UV Radiation.
Work in groups to answer the following questions! For each question, you will have 2-3 minutes to write it down and discuss it with the people around you.
Which
layer of the atmosphere do we live in?
What
are some reasons why we couldn’t live in the others?
Where
does the atmosphere end, and outer space begin?
We know that weather events only happens in the troposphere. We also know that the troposphere is the only layer of the atmosphere with water vapor. Do you think there’s a connection between these facts? Why or why not?
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