A particular state of matter consists of particles that vibrate about fixed positions. The average amplitude of these vibrations is increasing.
Which of the following describes this state of matter and its thermal change?
A solid being heated
A solid cooling
A liquid being heated
A gas cooling
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.