Download Do Not Write On This Paper Atmosphere Study Guide 1. is the most

Do Not Write On This Paper
Atmosphere Study Guide
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__________________ is the most abundant gas in our atmosphere at 78%.
__________________ is the second most abundant gas in our atmosphere at 21%.
__________________ prevents the escape of heat into outer space.
The atmosphere is divided into layers according to major changes in _________________________.
99% of the total mass of the atmosphere is below __________Km.
The atmospheric layer where humans live is the __________________________________.
The troposphere contains _________% of the gases in the atmosphere.
Weather occurs in the __________________________________________.
Gravity pushes atmospheric layers of air down on earth’s surface creating _________ ____________________.
In the thermosphere the temperature drops about _________ᵒC for every Km above the earth’s surface.
The division between the thermosphere and the stratosphere is called the ____________________________.
The _________ _____________ is a very strong wind that blows from west to east.
The jet stream is found in the _____________________________________.
The layer above the troposphere is the __________________________________.
The __________________________ contains the ozone layer.
The _____________ _____________ acts as a shield for earth’s surface.
The ___________________________ separates the stratosphere from the mesosphere.
The layer above the stratosphere is the ___________________________________.
The mesosphere is the ________________ region of the atmosphere reaching -100ᵒC.
Meteoroids burn up in the _____________________________________.
The __________________________ separates the mesosphere from the thermosphere.
The term thermosphere means _______________ sphere.
In the thermosphere temperatures often reach _______________ ᵒC or more.
The thermosphere is subdivided into the ___________________________ and __________________________.
In the thermosphere UV radiation is turned into ____________________.
The lower part of the thermosphere that extends above 80 Km to 550 Km is called the ___________________.
In the ____________________ gas particles absorb radiation from the sun and become electrically charged ions.
_______________ _____________ are bounced off the ions in the ionosphere and reflect back to earth.
The upper layer of the thermosphere that extends from 550 Km to 1000’s of Km is the ____________________.
Satellites orbit the earth in the _______________________________.
The ___________________ _________________ occurs in the magnetosphere.
Beyond the thermosphere is the _________________________________________.
Earth’s magnetic field operates in the _________________________________________.
Earth’s magnetic field begins at about ___________ Km above earth’s surface.
Earth’s magnetic field is made of protons and electrons that are concentrated in layers called
_____________ ___________ radiation belts.
Use the word bank to label the layers of earth’s atmosphere in the diagram.
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Mesopause
Exosphere
Ionosphere
Tropopause
Troposphere
Thermosphere
Mesosphere
Stratopause
Stratosphere
Magnetosphere
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earth