rocks
A naturally formed combination and other natural materials.
minerals
a solid, naturally formed substance that always has the same composition and the same properties.
sediment
the dirt and stuff that settles to the bottom of liquids, or is carried and then deposited by water, wind , or ice.
sedimentary
rock formed from compacted sediment.
Igneous
rock formed magma or lava
metamorphic
rock formed from existing rock; heat and pressure cause the minerals to form new combinations or crystals.