Includes bibliographical references (page 31) and index.
Contents:
What is erosion? -- Breaking up rocks by weathering -- Weathering by water and wind -- Chemical weathering -- Rock-breaking plants and animals -- Erosion-moving the material -- Erosion-the power of water -- Erosion -- oceans and ice -- Earth's forces -- How rivers form a valley -- Dangerous erosion! -- Slowing erosion -- Creating new landforms.
Summary:
This book teaches young readers how the forces of erosion have worked through wind, water, sand, and more to create the many features of Earth, from the worn-away banks of the smallest creek to the stunning landmark that is the Grand Canyon. Color illustrations and photographs, a glossary, a bibliography, a list of useful websites, and hands-on activities and projects are also provided.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.