Introduces the different forms of water in our world; the water cycle; stages in the life of a river; ocean currents, waves, and tides; lakes; and water pollution.
Where are the world's longest rivers located? How do oceans change the shape of the land? How do we measure the speed of a river's current? Readers will learn the answer to these questions and more.
Introduces the different forms of water in our world; the water cycle; stages in the life of a river; ocean currents, waves, and tides; lakes; and water pollution.