iPhone®, iPod touch®, and iPad™ apps
The app includes three levels, each with a hands-on activity and a bonus round. To make learning fun, the app includes scoring when exploring these topics:
This app contains illustrations, animations, and photos by Dennis Tasa as well as annotated photos by Michael Collier and Ed Tarbuck.
A Geologic Map, a Stratigraphic Column for the park, a NPS park map, and the corresponding USGS topographic map are all included.
This enhanced version also includes illustrations and information for significant events that have occurred during Earth's long history. Illustrations by Dennis Tasa provide an artistic impression of how Earth may have appeared and how life may have evolved over time.
Find out, for example, when dinosaurs ruled the world or when reptiles first appeared. This is a complete reference for students, educators, professional geologists, or anyone interested in geology. This is an easy, quick way to get the names and numerical dates of each of the eons, eras, periods, epochs, and ages.