General Science-Earth's Atmosphere Flashcards
The four layers of the atmosphere are what?
Troposphere
Stratosphere
Mesosphere
Thermosphere
Thermosphere and Mesosphere are WHAT the Ozone?
Top of
Stratosphere and Troposphere are WHAT the Ozone?
Below
The lowest level of the atmosphere, where all the weather occurs. It is a region of rising and falling packets of air.
Troposphere
Depending on the latitude and the season, the Troposphere can range between WHAT NUMBERS in thickness.
6-17 Kilometers Thich.
Most of the air surrounding the earth is roughly WHAT and WHAT found in the Troposphere.
79 % Nitrogen
21% Oxygen
What is above the Troposphere?
Stratosphere
In the Stratosphere, air flow is mostly what?
Horizontal
The thin ozone layer is located where?
Upper Stratosphere
Primarily responsible for absorbing the UV radiation from the sun.
Ozone Layer
The temperature in the Stratosphere is about?
-60 Celsius
This is above the Stratosphere, where we see meteoroids fall to the Earth and burn up in the atmosphere.
Mesosphere
Mesosphere extends to about how much above Earth’s surface?
90 Kilometers
The temperature in the Mesosphere is as low as what?
-90 Celsius
Above the Mesosphere is the what?
Thermosphere