The rock cycle is a group of changes. Igneour rock can change into sedimentary rock or into metamorphic rock. Sedimentary rock can change into metamorphic rockor into igneous rock. Metamorphic rock can change into igneous or sedimentary rock.
THE ROCK CYCLE NEVER ENDS.
Three Types of Rocks
Igneous Rocks: Are formed from the cooling of molten rock.
Sedimentary Rocks: Formed in layers as the result of moderate pressure on accumlated sediments.
Metamorphic Rocks: Formed from older igneous or sedimentary rocks under intense heat and/or pressure at considerable depths beneath the earth's surface.
