It's a big questionCdo rocks shape the Earth? Rocks and minerals aren't just under our feet. From towering mountains to tiny grains of sand, rocks reveal secrets about Earth's past, present, and future! Discover how petrologists study these natural formations and learn about- How rocks preserve ancient treasures for millions of years. The powerful forces that move and change rock formations. The cutting-edge technology helping scientists understand our unique planet. . . and so much more!