Download or read book Rocks and What We Know About Them - Geology for Kids | Children's Earth Sciences Books written by Baby Professor and published by Speedy Publishing LLC. This book was released on 2017-03-15 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rocks are identifiers of Earth. The composition of our rocks are different from those in Mars. Rocks are important pieces that tell scientists about the geology of a certain region. Other pieces of information found in rocks include the abundance or absence of certain minerals. Learn more about rocks and the Earth’s geology. Read this book today!