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Chapter 9 science
9 cards·by bchandler
Crust
the outermost and thinnest of Earth's layers
Mantle
the layer of Earth between the crust & the core
Core
the center part of Earth which includes the liquid outer core & the solid inner core
Sedimentary rock
type of rock formed when sediments are pressed and cemented together
igneous rock
type of rock formed when lava or magma cools and hardens
Metamorphic rock
a type of rock formed when existing rock is heated at high pressures and temperatures
plates
a large section of Earth's crust & upper mantle
chemical weathering
the changing of materials in a rock by chemical processes
mechanical weathering
the breaking down of rocks into smaller pieces by any physical force such as
gravity,water,wind,ice,or living organisms