Which statement about the particles of a substance after freezing (solidification) is correct?
They are close to each other and slide over each other.
They are close to each other and vibrate about fixed points.
They are far apart from each other and vibrate about fixed points.
They are far apart from each other and move freely in all directions.
151 exam-style questions on CIE IGCSE Physics 2.1.2a Particle structure and motion in solids, liquids and gases. Each one has a worked solution and a mark scheme showing where the marks go.