Rocks are all around us. Some rocks on Earth are 4 billion years old! But what are they made of? What are the different types of rock? Readers will learn the answers to these questions and more through easy-to-read text and vivid photographs. An experiment rounds out the book and provides a hands-on learning experience to encourage deeper understanding. Meets Next Generation Science Standards.

The ground beneath our feet feels sturdy and still, but Earth is actually covered in moving plates. These large plates make up the outer layer of Earth's surface and sit on top of another layer made up of molten rock. Borders between two plates are often the site of earthquakes and volcanoes. The plates can slide against each other, crash into each other, move apart, and even create mountains. There is so much to learn about what's going on beneath...

In this 3 hour series, one can witness in seconds what took the Earth eons to create: bumper-car continents; ice ages pulsing out of the poles and back; the Himalayas surging upwards; sand dunes swallowing, then uncovering African villages, and more!

A comprehensive guide filled with vibrant illustrations and detailed maps captures this wondrous and remote land of ice and snow, with up-to-date information on its climate, the nature of ice, its famous explorers, conservation issues, geology, geography, and the animals who call it home.

The eminent Victorian clergyman and naturalist set out in this 1872 collection of lectures to make discoveries in geology accessible to the general reader. In addition to a ringing call for study of the natural sciences, the author considers climate change, glaciers, limestone, coral reefs, volcanoes, and the origin of coal.

This book tells the story of the province's geology and the history of its living creatures. The first edition of Geology of British Columbia,, with its accessible but rigorous science, struck a chord with readers. Since it was first published, theories about plate tectonics and the geological history of British Columbia have evolved, and this new edition reflects the current thinking. This book also features updated content throughout, seven new...

Agriculture is primarily the uppermost important sector in Sudan, contributing significantly to the country's national economy. However, in spite of the country's vast cultivated area, productivity remains very low. The declining agricultural production is indicative of the need for adopting sustainable agricultural development approaches to the achieve country's food security. The attainment of sustainable agricultural production will require the...