water

Text and photographs explain through observation and simple experiments the differences between wet and dry, how things become wet or dry, and why moisture is important.

Students in grades five through eight travel along as visitors from outer space investigate Earth's water cycle, with discussion of where water comes from, how it is recycled and transported from place to place, and the role of the sun and atmosphere in the process. Includes a hands-on demonstration.

Text, activities, and simple experiments introduce the scientific study of water, using examples from everyday life.

Introduces the properties of water, discussing its various forms, the water cycle, weather, and the ways people use it.

This volume covers topics such as the hydrologic cycle, kelp and seaweed, lakes, wetlands, glaciers, and clouds.

Contains facts, tables, charts, and statistics that provide current and historical information about the importance of water in the environment and discusses the chemical properties of water, distribution of water rights, oceans and estuaries, the causes of acid rain, and more.

Details the properties of water and the water cycle and outlines its importance to all life on Earth. Includes full-color photographs and a glossary.

While investigating rain, learn about the water cycle and problems with rain, including droughts and floods.