How did the Grand Canyon get so deep? Do you know what kind of rocks erodes most quickly? What items in your classroom do you think are made from sedimentary rocks? Read ‘Sedimentary Rocks' to find the answers to these questions and many more. You'll also find a hands-on activity to try at home or at school, as well as a glossary of unfamiliar words, resources to help you locate additional information, and a useful index.
