1. Composition of the Atmosphere
10/09/15

2. Composition: What something is made of
AIR COMPOSITION!?
Composition: What something is made of
Air acts like a liquid—it moves, flows and causes weather!

3. Air is held in place by GRAVITY—it also has MASS!
GRAVITY and AIR!?! Yaaas!
Air is held in place by GRAVITY—it also has MASS!
Gravity-- less powerful as you leave Earth’s surface
As a result -- fewer air molecules as you move away from the Earth

4. 1% other gases (CO2, helium, argon, neon, hydrogen…)
AIR!!!
The air around us is:
78% nitrogen
21% oxygen
1% other gases (CO2, helium, argon, neon, hydrogen…)

5. Water is in the air we breathe— known as water vapor
HUMIDITY: The amount of water vapor in the air
H2O vapor is the cause of most weather!

6. What do you think he experienced?
Felix Jumps at 128K feet!
128,000 feet!? What layer is that!?!?
What do you think he experienced?