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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.
Petrified forests are some of the coolest-looking fossils that scientists find and study. They can tell us so much about the past, including what Earth was like before humans arrived. How do these amazing remains form? Why? Readers can find the answers to these questions within the pages of this book, complete with close-up photographs of petrified wood they might never otherwise see. The age-appropriate narrative supports science class learning and fun fact boxes give readers even more information about these amazing fossils.
According to fossils that have been found, insects have been living on Earth for more than 400 million years. That means they were around before the dinosaurs and long before humans first walked on Earth. How do scientists know this? They study the different kinds of impressions left in rock from these amazing prehistoric creatures. Readers will view cool photographs of these finds, and learn about the different kinds of insect fossils, how they formed, and what we've learned from them.
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. Young explorers will learn how fossils form, the different kinds of dinosaur fossils that scientists study, and just what we've learned from these cool fossil finds. Detailed photographs aid readers' understanding while fact boxes add more context to key science concepts.
You stare at the side of a rock wall near the ocean. Suddenly, you notice a spiral outline in the rock. You found an ammonite fossil! You are filled with awe as you think about how this shelled sea animal might have lived millions of years ago. Find out how fossils form, where they can be found, and about some of the most amazing fossil discoveries. Then learn how you can find fossils too!
Sea scorpions were the biggest arthropods to ever exist. The biggest grew over 8 feet long! In this hi/lo title, readers will discover the lives of sea scorpions as they swam through prehistoric oceans. Leveled text and colorful illustrations show off sea scorpions’ body parts, favorite foods, behaviors, and extinction. Special features map the prehistoric world, show off the animals’ size, call out favorite foods, and highlight an important fossil discovery. The book closes with a full-spread profile that puts important information about sea scorpions in one place!
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.
Mosasaurs had two rows of sharp teeth. They easily snapped up prey! In this hi/lo title, readers are introduced to Mosasaurs’ body parts, behaviors, and extinction through leveled text and colorful illustrations. Along the way, features map the prehistoric world, highlight favorite foods, compare Mosasaurs’ size, and more. The book ends with a two-page profile that puts important information about Mosasaurs in one place!