a solid that has atoms arranged in a repeating pattern
crystal
forms from melted rock cools and becomes a
igneous
is the smallest piece of matter that can still be identified as that matter
atom
forms from rock that has been changed by high temperature, high pressure, and hot liquids and gases
metamorphic
forms from small pieces of rock and mineral that are cemented together
sedimentary
a series of actions that change rock from one type to another
rock cycle