The Atmosphere Flashcards
1
Q
What layer of the atmosphere do we live in?
A
Troposphere
2
Q
What is the coldest layer in the atmosphere?
A
Mesosphere
3
Q
What force holds air to the planet?
A
Gravity
4
Q
How much oxygen is in the atmosphere?
A
21%
5
Q
As you increase in altitude, what happens to the air pressure?
A
It decreases
6
Q
What layer of the atmosphere contains the ozone layer?
A
The stratosphere
7
Q
What layer of the atmosphere contains our weather?
A
The troposphere
8
Q
How are the layers of the atmosphere separated? (Based on what difference)
A
Temperature
9
Q
Name the 4 layers of the atmosphere in increasing altitude.
A
Troposphere, stratosphere, mesosphere, and thermosphere.
10
Q
What special phenomena does the thermosphere contain?
A
Auroras. Aurora Borialis (the northern lights) Aurora Australis (the southern lights)
11
Q
What is the most abundant gas in the atmosphere?
A
Nitrogen (78%)
