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10 Cards in this Set

  • Front
  • Back
A natural, solid substance that has a definite chemical composition and physical structure.
mineral
Rock formed when melted rock hardens.
igneous rock
Melted rock within Earth.
magma
Magma that is exposed at Earth´ surface.
lava
Rock formed when layers of sediment settle and bind together.
sedimentary rock
Igneous or sedimentary rock that has been changed by pressure, heat, very hot water, or a combination of these factors.
metamorphic rock
The process by which metamorphic rock is formed.
metamorphism
All of the processes that change rock from one type to another.
rock cycle
The bottom layer of soil, made mostly of solid rock.
bedrock
The top layer of soil, made in part from broken-up pieces of lower layers of rock.
topsoil