Digging Up Petrified Forests PDF Download

The first plants on Earth likely evolved around 700 million years ago, and their presence may have been what helped prepare Earth for the evolution of land animals. This incredible idea is just one of the facts readers encounter in this fascinating volume. From casts to trace fossils, the different kinds of plant fossils are uncovered for curious readers, supported by photographic examples of each. Accessible text supports Earth science curricula with age-appropriate detail. Fact boxes expand upon key vocabulary and concepts.

The first plants on Earth likely evolved around 700 million years ago, and their presence may have been what helped prepare Earth for the evolution of land animals. This incredible idea is just one of the facts readers encounter in this fascinating volume. From casts to trace fossils, the different kinds of plant fossils are uncovered for curious readers, supported by photographic examples of each. Accessible text supports Earth science curricula with age-appropriate detail. Fact boxes expand upon key vocabulary and concepts.

Sea creature fossils are particularly interesting because they're often found where there isn't any water. They give scientists insight into how Earth has changed over time and millions of years. Readers uncover some of the oldest sea creature fossils and find out how they formed, where they were found, and what they can tell us about the past, including where water once was and isn't anymore. Detailed photographs of these fossils correlate closely with accessible text and engage readers with eye-catching fossil examples.

Scientists aren't quite sure exactly when humans evolved, but through fossils and artifacts, we have knowledge about human ancestors from millions of years ago. From bones to tools, the fossils that have been found each tell a small part of the story of our prehistoric past. Full of age-appropriate detail and interesting historical information, this book explains how fossils form and are found in language especially written for young readers. Examples of human fossils and artifacts closely correlate with the narrative, aiding comprehension.