Natual
made by nature, not by people
Rock
A solid made of minerals
resource
something that is useful to people
rock cycle
the process where rocks constantly form, break down, and reform into new rocks
Fossil
remains of very old living things that become part of rocks
Soil
a loose mixture of broken rock and decayed organic material
Formation
how and when something is made
rock formation
how rocks are made
Geologic
Relating to the Earth
Deposition
when eroded materials are left in a new location
renewable resource
natural material that is easily and quickly replaced
igneous rocks
rocks formed when magma cools and hardens
the movement of material by things like wind or water
Minerals
a naturally-formed, inorganic solid with a crystal structure
nonrenewable resource
natural material that is not able to be replaced quickly
sedimentary rocks
rocks formed from broken pieces of other rocks
Weathering
the breaking down of rock by natural forces
Sediment
small, broken pieces of rock
Fossil Fuel
ancient remains of plants and animals that can be burned for fuel
metamorphic rocks
rocks formed when heat and pressure change an existing rock