‘Earth’s Shifting Surface’ shows you how the surface of Earth is constantly moving beneath your feet. You will learn what causes the movements in Earth’s crust. You will discover how moving crust sets off powerful earthquakes and volcanoes. You will also find out how mountain ranges were slowly pushed up over millions of years. So, come on a fantastic journey into the world of Earth’s shifting surface! Sci-Hi is an engaging, comprehensive, and visually stimulating series that takes learning science core curriculum to a whole new level.