Use crayons to model the rock cycle in this fun activity! You will make colorful sedimentary, metamorphic, and igneous "rocks" from crayon shavings.

Did you know the rock cycle is a continuous cycle that takes hundreds of millions of years? This webpage explains how sedimentary, metamorphic, and igneous rocks are formed. It also gives examples of each type of rock. Also includes a...

In this interactive tutorial you will learn how pressure creates stress and strain on rocks. Learn how different types of strain are produced by different plate tectonic settings, and explore the different types of mountain ranges and...