This app is an extension of Science Island and is a 3d adventure educational game. You can explore inside the volcano, and find out the end to the pirate story. There is twice as much content as Science Island, and there is a map to help you find shells. This app contains an original musical score. All science content in Geology Island was written by a certified science teacher. There are no in app ads or purchasing. Geology Island runs on iPhone 5, iPhone 6, iPhone 6 Plus, iPod touch 5, iPad 2 and later iPads on iOS 7,8, and 9. Because of the graphics in this app, it does not run on iPod 4, iPhone 4 and earlier models, and may be laggy or crash. Students who used Geology Island 2 saw an increase of 21% on average in their score. Scores did vary. Please see our website for more details.