solid
matter where particles are held rigidly in place by all other particles around them so they can’t slip past one another or move apart goving them a fixed shape and a fixed volume.
liquid
matter where particles of liquids are in a close contact with each other, but can slip past one anther and take th shape of the container
gas
matter where particles can pull apart from each other and spread out, meaning it does not have a fixed shape or a fixed volume