water

Provides information on land management, its importance, and the environmental threats placed upon it.

Examines the quality of water, focusing on pollution and where it comes from. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.

Real-world examples and engaging activities guide readers in learning about measuring temperature. Readers practice selecting appropriate measuring tools and units of measurement, converting between units, and solving problems by measuring.

Una discusi?n de inundaciones, describiendo sus caracter?sticas, patrones de ocurrencia e impactos. Cuenta con descripciones de inundaciones repentinas significativas y eventos de inundaci?n de la historia.

Text and photographs look at how water shapes the Earth. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.

Examines water through natural disasters, looking at how disasters such as tsunamis and avalanches and how they form as well as search and rescue operations and various water-related disasters around the world. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.

Oil has been produced in 31 states in the United States and in the waters off its coasts. Approximately 17 percent of U.S. oil is produced by offshore oil wells.

Describes how the world's forests are being destroyed, some of the causes and consequences of this destruction, and some ways of preventing it.

Did you know that water shapes the Earth slowly? Water wears away rocks and soil as it flows over the land. Learn more about water.

"Understanding the water cycle provides a solid foundation for comprehending weather and even some climate change topics . . . [discusses] the basics of the water cycle, from precipitation to evaporation, and includes fact boxes to provide more vocabulary and concept context"--Provided by publisher.