(a)[1]
Describe how the volume varies over the course of the day.
(b)[3]
Explain, in terms of the gas molecules inside the balloon, why the volume changes like this between 10:00 and 14:00.
Physics 0625 · IGCSE · Kinetic particle model of matter
Kinetic particle model of matter — practice question
Fig. 4.1 depicts a balloon positioned beside a window on a bright, warm day.
Fig. 4.2 illustrates how the balloon’s volume varies over the course of the day.