They can be quite scary, but volcanoes and earthquakes are fascinating, natural occurrences on Earth. Readers will learn about earthquakes and volcanoes—the way they're measured, their sizes and shapes, their eruptions—and much more in this intriguing book! Tsunamis, hot springs, and geysers are also explored, as readers will be able to further their knowledge of earthquakes and volcanoes, both often a result of moving rocks. Vivid illustrations, achievable text, diagrams, and a concluding quiz enhance readers' experience as they extend their learning from outside of the classroom and immerse themselves within the topic.