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Pressure
Mercury Barometer
Aneroid Barometer
Altitude
Density
100
is the result of the weight of a column of air pushing down on an area.
Air Pressure
100
Consists of a glass tube open at the bottom end and partially filled with mercury.
Mercury Barometer
100
Has an airtight metal chamber
Aneriod barometer
100
Does altitude affect air pressure?
yes
100
Does altitude affect density?
yes
200
The force pushing on an area or surface is known as
Pressure
200
76
What is the mercury at sea level?
200
The metal chamber is sensitive to changes in ____________.
Air pressure
200
Is the distance above sea level
Altitude
200
Amount of mass in a given volume of air_________.
Density
300
Is the atmosphere heavy?
Yes
300
The greater air pressure
What makes mercury higher?
300
As the shape of the chamber changes, the _______ on the dial moves.
Needle
300
As air pressure decreases so does ______.
Density
300
You can calculate the _____ of a substance by _______ its mass by its __________.
density, dividing, volume
400
It will make something more dense!
How does density of air affect air pressure?
400
Dish of the mercury
Where does the open end of the mercury rests?
400
What does the word aneroid mean
Without liquid
400
Air pressure decreases as ________ increases.
Altitude
400
As you go up through the atmosphere, the density of the air ___________.
Decreases
500
Down, Up, and Sideways
Which ways do molecules move?
500
When air pressure increases it presses more down on the ______.
surface
500
The chamber is connected to a dial by a series of ______and _______.
springs and levers
500
Is air pressure greater at sea level?
yes
500
This means the gas molecules that make up the atmosphere are _______ apart at ___ altitudes then they are at ___ _______.
Farther, high, sea level