Layers Of the Atmosphere Flashcards
0
Q
Characteristics of the Troposhere
A
- most weather occurs here
- convection currents
1
Q
Temperature of the Troposphere
A
6.5 degrees Celsius per km to about -60
2
Q
Temperatures of the stratosphere
A
Increases to about -20*c
3
Q
Characteristics of the stratosphere
A
- contains most of the atmosphere’s ozone
- where jets and manned balloons have gone
4
Q
Temperatures of the Mesosphere
A
Decreases -100*c at top
5
Q
Characteristics of the mesosphere
A
- protects earth from meteors
- coldest region of atmosphere
6
Q
Temperatures of thermosphere
A
Increases 2,000*c at top
7
Q
Characteristics of thermosphere
A
- temperatures get up to 2,000*c
- air molecules are 1km apart
8
Q
Characteristics of the ozonosphere
A
- ozone is made of 3 oxygen atoms
- protects the surface from sun’s uv Rays
- humans are causing ozone depletion
9
Q
Characteristics of the Ionosphere
A
- lower part of the thermosphere
- radio waves bounce back to earth’s surface
10
Q
Characteristics of the exosphere
A
- upper part of the thermosphere
- artificial satellites orbit here
11
Q
Characteristics of the magnetosphere
A
- earth’s magnetic field
- cause aurora boreal is (northern lights)
