After spending six weeks studying the skeletal system the youngest students turned their attention to the digestive system. First we listened to the book What Happens to a Hamburger? As we read this informative and funny book children followed the journey of what happens to our food from the moment we start to chew. In the process they learned vocabulary words such as mouth, saliva, esophagus, stomach, small Intestine, large intestine, and of course the anus, Children took part in centers where they measured how long the small intestine is. They observed an experiment showing what happens in your stomach to food, and how food dissolves in liquid. Finally children collaboratively created a three dimensional model of the digestive system which was presented to the rest of the school