Describes how the rock cycle works on Earth, explaining how the different types of rocks are formed, eroded, and used by people.

Presents a guide to wilderness survival in both common and unusual situations, including how to build a shelter, find water and food, deal with dangerous animals, and navigate in the wild.

Describes the characteristics of such bodies of water as rivers, lakes, and oceans.

"Ssh, this volcano's sleeping... or is it? Something is stirring deep inside. A whisper hisses through the magma chamber. Steam spits out. Bubbles boil and pop. And suddenly... it's awake! This lively informational picture book chronicles what happens when a volcano erupts. From the stirring of hot magma deep inside, to the smelly gases that signal an eruption, to the big kaboom itself, readers go on a journey of discovery about volcanoes. A playful,...

Specifically designed for and correlated to the curriulum of a elementary school science course, this collection contains a number of video series that explore the key concepts of Earth science and help instructors to teach challenging concepts. The films, and accompanying teacher materials, are a great asset for teachers and teachers in training to use to integrate video into their lesson plans to capture the attention of young minds and enhance...

Specifically designed for and correlated to the curriulum of a primary school science course, this collection contains a number of video series that explore the key concepts of Earth Science and help instructors to teach challenging concepts. The films, and accompanying teacher materials, are a great asset for teachers and teachers in training to use to integrate video into their lesson plans to capture the attention of young minds and enhance learning....

"Fascinating facts about America's most popular natural landmarks provide the backbone for this fun-filled collection of activities that replicate the organic processes that formed them. Interspersed with history, factoids, and sidebars, this engaging reference explores scientific concepts, such as the formation of coral reefs and the cause of volcanic eruptions. Each monument-from the Lava Beds to the Petrified Forest-is showcased in a graphic multipage...

"Intermediate readers explore who is eating whom and where."--

"Emergent readers learn how some offspring look similar to their parents while others do not."--

"Its constant evolution over the millennia since its inception has made the Earth a dynamic entity, subject to numerous climactic and environmental forces that are forever changing this planet. In its most recent stage, the planet has seen an incredible diversification in plant and animal life, with the most prominent development of the Cenozoic era being the emergence of mammals. This book examines our most immediate ancestors and the geologic, geographic,...