Build a working model of Human Ear. This activity will help your child to understand the structure and function of the different parts of human ear. The human ear – one of the five provider of our senses – is an intricate, beautiful and important organ that allows us to listen and perceive the sounds of our world. The functioning of the human ear is an important facet of human biology, and a deeper understanding of its structure is not only important for every 8th grader, but also integral to many human sciences and the medical field. The way the human ear perceives sound, how it is received, and the changing of sound’s properties are a few very essential concepts that comprise your child’s Biology syllabus.