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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.
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.
Kids join inductive detectives Max and Molly and archaeologist Uncle Jake on a treasure hunt for truth. They'll uncover how God deals with sin, why God flooded the earth, where the different nations and languages came from, and what God's plan is for saving people.
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.
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.
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.
The burnt-red badlands of Montana's Hell Creek are a vast graveyard of the Cretaceous dinosaurs that lived 68 million years ago. Those hills were, much later, also home to the Sioux, the Crows, and the Blackfeet, the first people to encounter the dinosaur fossils exposed by the elements. What did Native Americans make of these stone skeletons, and how did they explain the teeth and claws of gargantuan animals no one had seen alive? Did they speculate about their deaths? Did they collect fossils? Beginning in the East, with its Ice Age monsters, and ending in the West, where dinosaurs lived and died, this richly illustrated and elegantly written book examines the discoveries of enormous bones and uses of fossils for medicine, hunting magic, and spells. Well before Columbus, Native Americans observed the mysterious petrified remains of extinct creatures and sought to understand their transformation to stone. In perceptive creation stories, they visualized the remains of extinct mammoths, dinosaurs, pterosaurs, and marine creatures as Monster Bears, Giant Lizards, Thunder Birds, and Water Monsters. Their insights, some so sophisticated that they anticipate modern scientific theories, were passed down in oral histories over many centuries. Drawing on historical sources, archaeology, traditional accounts, and extensive personal interviews, Adrienne Mayor takes us from Aztec and Inca fossil tales to the traditions of the Iroquois, Navajos, Apaches, Cheyennes, and Pawnees. Fossil Legends of the First Americans represents a major step forward in our understanding of how humans made sense of fossils before evolutionary theory developed.