This activity is about discovering how coats keep things warm and uses water bottles to show what coats do for us. One bottle is wrapped in a cloth or newspaper coat and the other bottle is left as is. Children will see that the wrapped bottle kept the water warmer. This will help them to better understand that coats keep us warm.. A materials list, internet resources, standards, and safety practices are provided. This book selection also includes the Table of Contents, Preface, About the Editors, Introduction, Simple Graphing for Young Children, Science Teaching Boards and Boxes, Basic Materials List, and Index.