This activity is about exploring rocks. Put out a box of rocks and let children explore, observe, and compare rocks, matching them by shape, size, and color. Encourage children to use magnifiers as they observe. 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.