This activity focuses on discovering that on cloudy days, there may not be enough sunlight to cause shadows. If the clouds are intermittent, the shadows may come and go, but on an overcast day there may be no shadows at all. Encourage children to continue looking and to describe any they find. Discuss the differences in how the sky looks today from the day they looked for shadows. 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.