The particles in a particular state of matter are closely packed together and vibrate about fixed positions. Over time, the amplitude of these vibrations is increasing.
Which state of matter and process is being described?
a solid being heated
a solid cooling
a liquid being heated
a liquid 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.