Why do volcanoes erupt? Readers discover the science behind this amazing--but often dangerous--kind of natural disaster in this impressive guide to how STEM concepts can be applied in the real world. As readers explore the ways scientists study volcanoes, they discover exciting career paths that combine science, technology, engineering, and math to predict and respond to volcanic eruptions. Examples of eruptions throughout history are included, along with vibrant photographs of these natural events. In addition, readers can strengthen their comprehension skills by using the quiz included in this volume.