They have been slowly recycled over millions of years.This is called the rock cycle.Sedimentary rocks form when tiny particles of rock that have been weathered and eroded settle out of slow moving ...

sedimentary rock, and metamorphic rock. The crossword puzzle is perfect... The post Rock Cycle Crossword Puzzle (Free Printable) appeared first on Homeschool of 1.

What FACTS ABOUT ROCKS do you know? They are abundant on earth, and yet little is known about them. These facts will increase your knowledge of the rocks.