This book includes over 100 Simple Experiments, Activities & Demonstrations This book includes activities in life science, earth science and physical science. This book is filled with simple activities and demonstrations that require easy to gather materials. There are pictures and diagrams to help direct the activities. This book would be great for elementary classrooms (4-6) for fun science activities. I rate this book a 5 out of 5 because of the of the easy to follow directions for teaching the activities and because of the helpful illustrations. ( )