There is a subtle difference between the terms capacity and volume of a container. The capacity of a jar, for example, is how much liquid it can hold, whilst the volume is the amount of liquid actually in the jar. Children in Year 5 are expected to know and understand this difference. They will also be expected to judge which of two containers will have the greater capacity. Our latest pages help to show children the difference between capacity and volume as well as providing some tricky problem solving.