1
the random movement of particles in fluids
2
amount of a substance
3
force into less space
4
Matter is made up of
5
when particles move from high concentration to low concentration to spread and occupy larger area.
6
periodic motion of particles
7
the quantity of three-dimensional space enclosed by a closed surface
8
anything that has a mass and occupies space
9
Ice, water and vapour are all water but in different ________.
10
a substance that flows freely but has constant volume
11
a substance that has fixed shape
12
measure of the amount of matter in an object.
13
a substance that expands freely to fill space
