Teaching Comparison of volume

Hi ! everyone, In my blog, I would like to share with you about the misconception on capacity which may arise among the students while teaching Volume of liquid especially when comparing capacity of two containers that can hold more.  Primary students often believe that the amount of liquid changes when a set amount is poured from one container to another in different sizes. They believe that there is more liquid in the one that has the highest level.  This problem can be solved when students experience the process of filling and emptying containers with liquid in similar shape but different capacity containers. Thus, we can provide them with some containers such as transparent bottles or glasses. 

A and D filled with same amount of water, ask the students to compare between the volume between A and D. The students may still give the answer A has more water than C. To prove the truth, ask the students to pour water from A into B, D into C. When the students see the same level of water in B and C, they will then visualize and understand the actual volume of water is not depend on the height of a container.