"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-in fact, over millions of years. Readers uncover some of the oldest sea creature fossils in this volume 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. Up-close photographs of these...

"Dinosaurs roamed Earth between 230 million and 65 million years ago. That's not only long before the present day, but also long before Homo sapiens were around at all! Without fossils, we might not know anything about these fierce and interesting prehistoric animals. In this volume, readers learn how fossils form, the different kinds of dinosaur fossils scientists study, and just what we've learned from these cool fossil finds. Up-close photographs...

"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...