Curated OER
Rocks and Minerals
Take young geologists on an exploration of the collection of rocks and minerals that we call Earth with an upper-elementary science lesson. Through a series of class discussion and hands-on investigations, young scholars learn about...
Center for Educational Technologies
Earth Science Explorer: The Rock Cycle
This one-page explanation of the rock cycle contains a very helpful diagram and useful explanatory notes. Site explains how rocks are made and broken down.