Density and pressure 3 Flashcards
1
Q
Density formula
loc
A
density = mass / volume
2
Q
What does pressure depend on?
A
Vertical height (and density) NOT on the area
3
Q
What does density depend on?
A
What an object is made of not size or shape
4
Q
How do you work out pressure?
A
Pressure = force/area
5
Q
What is pressure
A
Pressure is a measure of the force being applied to the surface of something
6
Q
Molecules of gas have
gas loc 3
A
Have a random motion and that they exert a force and hence a pressure on the walls of a container
7
Q
solids location
A
1
8
Q
liquids loc
A
2
9
Q
particles in liquid
A
particles are close together,
10
Q
Solid particles
A
vibrate about their fixed position
11
Q
Gas particles
A
Free to move
12
Q
evaporation loc
A
1
13
Q
evaporation is
A
liquid becomes gas
14
Q
volume symbol
A
noise tuning bright blue
15
Q
mass symbol
A
marry green
