This rock recycling is a process called the rock cycle. The Earth's rocks are constantly changing. They have been slowly recycled over millions of years.This is called the rock cycle.Sedimentary ...

Available March 18th, in next week’s episode we will use everyday materials to create a model of the rock cycle and explore the three different categories of rock. Sedimentary rocks are made of ...

The film explores the origins of various rocks found in the Grand Canyon, revealing that many rocks are formed from ancient sand dunes that hardened over time. It discusses how to interpret clues in ...