Author Description

"The rock cycle has been taking place for millions of years. However, geologists- scientists who study rocks and layers of soil to learn about the history of the earth and its life-have only known about this phenomenon for about 300 years. In this book, readers are introduced to the different types of rocks, where in the cycle these rocks fit, and where in Earth's layers each step takes place. Fact boxes provide readers with fun additional information, while a diagram helps readers make sense of the information presented in the text"--