Physics 0625 · IGCSE · Kinetic particle model of matter

Kinetic particle model of matter — practice question

Fig. 5.1 shows several gas particles inside a metal box. The arrows indicate the directions in which the particles move.

(a)[3]

Describe how the particles in Fig. 5.1 produce pressure on the walls of the box.

(b)[2]

State and explain what effect, if any, this has on the pressure exerted by the gas particles on the walls of the box.

Worked solution & mark scheme

This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: “continuous random movement of gas particles” …