Promote the scientific method and critical-thinking skills while providing information about the destructive forces of nature that will fascinate your students. This comprehensive text introduces volcanoes, the ozone layer, earthquakes, earth plates, fault lines, and more in a fun, engaging format with activities that promote reinforcement! An answer key is also included. --Mark Twain Media Publishing Company specializes in providing captivating, supplemental books and decorative resources to complement middle- and upper-grade classrooms. Designed by leading educators, the product line covers a range of subjects including mathematics, sciences, language arts, social studies, history, government, fine arts, and character. Mark Twain Media also provides innovative classroom solutions for bulletin boards and interactive whiteboards. Since 1977, Mark Twain Media has remained a reliable source for a wide variety of engaging classroom resources.