Designed to present interesting facts about science and to heighten the curiosity of primary age students, this book contains activities about the natural world and numerous black and white illustrations. The activities focus on butterflies and moths and their stages of development. The first section contains exercises on recognizing insect body parts and habits and the differences between moths and butterflies. Section two introduces the complete life cycle from egg to adult, with practical suggestions for locating and raising caterpillers common to most areas. Directives for the individual activities are provided in the parent/teacher guide section and include: (1) discussion questions; (2) explanations of the learning activities with an answer key; (3) vocabulary list; and in most cases, (4) extended activities. (ML)