Partez à la découverte des argiles avec ce Grand Article Universalis! Les argiles ont été utilisées très tt dans l'histoire de l'humanité, après le silex et la pierre taillée. Ce matériau possède des propriétés plastiques particulières: facilement modelable, il peut être figé de façon irréversible, ce qui a permis les premières applications domestiques (vases,... Un ouvrage spécialement conçu pour le numérique afin d'en savoir...

"From the tops of tall mountains to the rocks in the ground beneath our feet, rocks are always slowly changing. How do they do this? Explore the rock cycle to learn how different kinds of rocks change into each other over many years. Follow along with the different ways rocks form and find out what the changes look like up close. It's key Earth science curriculum made approachable for all!"--

This book describes how igneous, metamorphic, and sedimentary rocks are formed and the forces that continue to change a rock's appearance.

"In this book, readers will learn about how rocks are formed, worn down, and then formed again to create the rock cycle. Full-color photos and . . . leveled text will engage readers as they learn more about how rocks are continually recycled"--Provided by publisher.

Fossils are fascinating! These remnants of life-forms from long ago tell us more about the planet, the environment, and the ancient plants and animals themselves. This title guides readers on a mission to learn more about fossils, how they form, what types there are, and more facts and details. Full-color illustrations showcase important principles, and hands-on activities with detailed instructions will get kids thinking like paleontologists, geologists,...

Sedimentary rocks form from built-up layers of eroded rock and plant matter pressed together over time. At-level text and graphic organizers explore how the makeup of sediment, rock formation, and identifying different kinds of sedimentary rocks. Readers will also learn how fossils form in sedimentary rocks, and the role sedimentary rocks play in the rock cycle. The interactive eBook version features videos, graphic organizers, and photographs that...

"In this book, young readers will learn how heat and pressure affect rocks."--Provided by publisher.

Get swept away with this investigation into erosion. Following scientific and engineering practices, this title presents a hands-on, inquiry-based science investigation. Age-appropriate experiments build students' understanding of Earth and space concepts. Activities for further learning Glossary of key words Index Table of contents The Science Investigations series centers scientific inquiry by providing readers with hands-on experiences with the...

Explains what igneous rock is and how it forms, examines different types of igneous rocks, and looks at how they are used.

It's easy to think of Earth as one big rock beneath our feet. The reality is far more interesting! In this volume, young geologists will learn more about the makeup of our planet and the massive sheets of rock that move over its surface. Illustrations, photos, and intriguing hands-on projects will help them understand how Earth's tectonic plates lead to features such as mountains and ocean trenches, as well as natural disasters such as earthquakes...