Before we actually get into the details of what demonstrations we have and how to use them, maybe we should talk a little bit about the real purpose of demonstrations. The Webster Dictionary states that demonstrations are:
A description or explanation, as of a process, illustrated by examples,
specimens, or the like.
In the science arena, the concept of a demo has evolved gradually to be a visually exciting and stimulating demonstration that introduces the viewer to a simple concept or fact. There are many kinds of demonstrations including: