UXL Encyclopedia of Landforms and Other Geologic Features
January 11 , 2013Focuses on the physical and geological aspects, structure, and features of 48 of the earth's landforms - what they are, how they look, how they were created, how they change over time, and major geological events associated with them. Written for middle school students to support earth science and landform-related assignments, alphabetically arranged entries follow a standard and consistent subheaded format; and range in length from 9 to 11 pages.
World of Earth Science
January 10 , 2013A comprehensive guide to the concepts, theories, discoveries, pioneers and issues relating to topics in earth science. World of Earth Science's encyclopedic approach offers approximately 650 entries in a convenient A-Z format, cross-reference headings and is written in easy to understand language.