water

Presents conflicting viewpoints concerning the future availability of drinking water, threats to surface and groundwater, and solutions for water pollution.

A cumulation of the weekly articles on current social issues.

Provides information and step-by-step procedures for projects designed to teach about the Earth's waters, covering the water cycle, desalination, solubility, groundwater, freezing point, specific heat capacity, density, acid rain, capillarity, aquatic organisms, and water power.

Describes the water cycle, discusses water pollution, and examines what is being done to protect our essential water supply.

Suggests simple observations and activities that demonstrate the various characteristics of water.

Discuss the problem of our contaminated rivers, lakes, and oceans and proposes ways to purify them.

Alerts the reader to the dangers of surface water pollution and the global imperative to keep these waters fresh.

An introduction to water that explains what water is, describes the different forms of water, examines the water cycle, discusses the dangers of water pollution, and explores the importance of water.

Simple text and photographs present information about drinking water and ways to drink enough water.

This book introduces two types of water, saltwater and freshwater; describes the water cycle; and discusses the many uses of water.