Pressure Flashcards
1
Q
Pressure is measured in….
A
Newtons per square metre (N/m2)
2
Q
Pressure in a liquid increase
A
With depth
3
Q
Atmospheric pressure
A
Is caused by the weight of the atmosphere
4
Q
Barometer
A
Is used to measure atmospheric pressure
5
Q
Normal atmospheric pressure
A
Normal atmospheric pressure can hold up 76cm of mercury in a mercury barometer
6
Q
Altimeter
A
An altimeter is a barometer used to measure height
7
Q
Height atmospheric pressure
A
High atmospheric pressure gives good, settled weather eg.clear sky, calm weather
8
Q
Low atmospheric pressure
A
Low atmospheric pressure gives bad unsettled weather eg. Cloud, rain storm, cyclone, high wind.
9
Q
Pressure
A
Pressure is the force per unit area
