There are thousands of different kinds of rocks on Earth. But how did they all get there? Most of the rocks around us are millions of years old, and they are always changing into new ones. In More →
Fall 2024
552 - Petrology
All 6 records found.
Fall 2024
Incredible Igneous Rock
Boom! A volcano erupts in the distance with thick, orange liquid flowing down its slopes. As time passes, the lava hardens and cools into a solid rock. But what type of rock is it? Learn all… More →
Fall 2024
Magnificent Metamorphic Rock
Statues are carved out of rock. What type of rock are these amazing depictions carved from? Learn all about magnificent metamorphic rocks, including how they form, what they're made out of,… More →
Fall 2024
Sailing Stones
Stones dot a dry lakebed. Each one is followed by a wandering trail left in the dirt. Did the stones move? This hi/lo title uncovers the mystery behind sailing stones. Readers will discover… More →
Fall 2024
Super Sedimentary Rock
From The Wave to The Old Man of Hoy, there are many different rock formations out there. But what type of rocks are these famous rock shapes made of? Learn all about super sedimentary rocks,… More →
Fall 2024
The Rock Cycle
Rocks may seem big and bulky, but they are in a constant cycle of change. Readers learn about the cycle rocks undergo to change from one kind into another as well as the factors that play a… More →