Favorite science topics like seeds and plants, evaporation, light and shadow, and animal observation are the subjects of the eight windowsill science centers included in this book. Each of the science centers includes a discussion of the process skills that students will use, several hands-on activities, explanation of key concepts and vocabulary, curriculum connection activities, suggestions for student assessment, questions to challenge students to extend their thinking, suggested resources, and reproducibles such as data sheets. Suggestions for organizing the physical space are included. Contains 38 references. (DDR)