What Is Geology? introduces the scientific discipline of geology through simply written text and colorful, fun illustrations. With this leveled reader children discover that geologists study Earth to find out how rocks are formed, how mountains are created, and what is under the ocean. Changes to Earth can take long periods of time to occur or can occur quickly. By studying the Earth we can learn how to take care of it.A pronunciation guide of scientific terms is included. 24 pages filled with engaging, colorful illustrations. Reading Level 1-3, Interest Level 2-5.