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
321 exam-style questions on CIE IGCSE Physics 2.1 Kinetic particle model of matter, covering 2.1.1 States of matter and changes of state, 2.1.2a Particle structure and motion in solids, liquids and gases, 2.1.2b Gas pressure and particle collisions, 2.1.2c Brownian motion, 2.1.3a The absolute scale of temperature, and 2.1.3b Pressure, volume and temperature of a gas. Each one has a worked solution and a mark scheme showing where the marks go.