by: Master and Bull Digital Arts • 21
This app answers questions such as "What is erosion?" "How many different kinds of rocks are there?" "What is coal?" "What is an alloy?" Each program comes complete with its own study guide containing a glossary, additional questions and suggested learning strategies.
by Vinay tcp
Jul 28, 2015 | "Poor"
by Kiwiclaire Cosgrove
Jan 10, 2015 | "OK"
set of video Clips no longer able to play. Very good resource No longer available. ANOTHER FLOP
by charles hockenberger
May 04, 2014 | "Poor"
description and intro page clearly misleads. there is no study guide or glossary. the videos are semi useful well at least the 30min or so in total time. they were designed for kids. I wouldn't recommend this app for anyone who is looking for more than 1st graders view of rocks, gems, and minerals.