density Flashcards
1
Q
what is density?
A
mass per unit volume of a material
2
Q
objects that are less dense have what?
A
a lower mass
particles are more spread out
3
Q
objects that are more dense have what?
A
larger mass
particles are closer together
4
Q
formula for density?
A
p= m/v
5
Q
what is density measured in?
A
kg/m cubed
6
Q
gases are more or less dense than solids?
A
less dense than solids
7
Q
why are gases less dense than solids?
A
molecules are more spread out
same mass over a larger volume
