This book is chock full of everything needed to teach physics in the upper grades of a Waldorf school. Experiments are clearly described with detailed lists of equipment needed, many of which are in the kitchen or a hardware store. Best of all the author, with years of experience as a Waldorf class teacher, and as a teacher of teachers, explains why the experiments are so valuable and what the goals are for each lesson and each block. There are lots of choices and the teacher is left free to choose those experiments and plans that best suit each class. The results are a fast-paced, thrilling series of lessons that bring middle schoolers to experiences that define physics in the best of ways!