P6 particle model of matter Flashcards
1
Q
what are the 3 states of matter
A
solids liquids and gases
2
Q
why are solids and liquids incompressible
A
no gaps between the particles
3
Q
what is the equation for density
A
mass / volume
4
Q
what type of change is change of state
A
physical changes which differ from chemical changes because the material recovers its original properties if the change is reversed.
