What is A Rock?

What is a rock? We all know what rocks are right? They are lying on the ground everywhere!

Types of Rocks - Igneous, Sedimentary, Metamorphic

Desert Rocks - What is a Rock - DesertUSA

What are Rocks?

Rocks And Minerals For Kids, Facts About Rocks

Learn About Rocks

What are Rocks?

Rocks and Their Types - Sternberg Museum of Natureal History

Rock Units Explained (1/2)

Rock (geology) - Wikipedia

Rocks and Minerals. What is a rock? A rock is made up of 2 or more minerals. All rocks are made of minerals. There are 3 types of rocks: –Sedimentary. - ppt download

Types of Rocks - Javatpoint