Get ready to explore, uncover and investigate physical science topics ranging from atoms to vibrations with these engaging texts. This book helps all learners grasp important science concepts through high-interest science material. Book features 15 different topics, each in two-page formats that are written at four different reading levels. Teacher Resource CD features a modifiable version of each passage plus full-color versions of the text and image files. Resource is designed for children in fourth-grade through 12th-grade.