Amphibian fossils tell us a great deal about the frogs, toads, salamanders, and other amphibians that lived on Earth thousands and millions of years ago. With every turn of the page, young fossil enthusiasts will be delighted to see photographs of amphibian fossils and learn how they formed. The text was designed to work hand-in-hand with the photographs and diagrams to provide a comprehensive treatment of this essential elementary science concept....

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...

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,...

E. D. Cope and O. C. Marsh were 19th-century paleontologists whose friendship couldn't withstand their professional rivalry. Their competitive natures led to the frenzied unearthing of hundreds of dinosaur fossils across North America, many of which can still be seen in museums around the world. The captivating tale of these scientists unfolds in this absorbing book, which also includes a timeline, sidebars, and fact boxes offering much information...

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...

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...

What did horses look like millions of years ago? How big were mammoths and mastodons? This book gives readers an in-depth look into the world of prehistoric mammals by investigating the remains they left behind. Readers will study colorful images of mammal fossils to learn about the size and shape of each animal, but also the behavior and lifestyle they may have lived. The text is paired with a fact-file design, complete with sidebars and diagrams,...

In the far-north latitudes, just below the treeless tundra of the polar region, a forest of evergreen trees called the boreal forest encircles the earth. In this book, students explore the biggest terrestrial ecosystem in the world and can make observations comparing the diversity of life in different habitats.

The fascinating story of how a harsh terrain that resembled modern Antarctica has been transformed gradually into the forests, grasslands, and wetlands we know today.

Have you ever wanted to become a volcanologist? In Exploring Volcanoes: Volcanologists at Work! young readers will find out what these supercool scientists really do! They will explore how volcanologists study volcanoes and predict eruptions, and discover the special tools volcanologists use. Aligned to Common Core Standards and correlated to state standards. Applied to STEM Concepts of Learning Principles. Super Sandcastle is an imprint of Abdo Publishing,...