Atmospheric Pressure Flashcards
1
Q
All gases that are found in earth feel its
A
Gravitational pull
2
Q
The air closer to earth is denser than
A
Air farther
3
Q
Planes are _ because air at higher altitudes are less dense
A
Pressurized
4
Q
Air high is too _ to breathe
A
Thin
5
Q
The denser atmosphere, the
A
Greater pressure it exerts
6
Q
Standard atmospheric pressure is used (pressure at sea level) to keep
A
Measurements all same so they can be compared
7
Q
_ is an instrument used to measure atmospheric pressure
A
Barometer
8
Q
_ invented the barometer
A
Evangelista Torricelli
9
Q
A unit in barometer is called
A
Torr
10
Q
Standard atmospheric pressure is equal to the pressure that supports
A
A column of mercury
11
Q
A column of mercury exactly _ high at 0c at sea level
A
760.00