Fluids Flashcards
1
Q
partical theory
A
all matter consists of many, very small particles which are constantly moving or in a continual state of motion
2
Q
density
A
the mass of a certain volume of a material
3
Q
sublimation
A
when a solid changes directly into a gas
4
Q
melting point
A
the point at when a solid becomes a liquid
5
Q
boiling point
A
the point where evaporation happens in a liquid
6
Q
freezing point
A
the point where a liquid turns into a solid
7
Q
calculation to work out density
A
density = mass / volume
8
Q
atmospheric pressure
A
the pressure of the air
9
Q
upthrust
A
the upward force that a liquid or gas exerts on a body floating in it.
10
Q
how to calculate pressure
A
pressure = amount of force / area
