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13 terms

Scott Foresman Science Book Grade 5 Chapter 9

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Crust
the outermost and thinnest of Earth's layers
Mantle
the layer of the earth between the crust and the core
Core
the center part of the Earth which includes the liquid outer core and solid inner core
Plate
a large section of Earth's crust and upper mantle
Earthquake
the shaking of Earth's surface caused by the release of energy along a fault
Volcano
an opening in Earth's crust through which steam, lava, and ashes erupt
Mechanical Weathering
The type of weathering in which rock is physical force such as gravity, wind, water, ice, or living organisms
Chemical Weathering
the changing of materials in a rock by chemical processes
Deposition
the laying down of material in a natural process
Erosion
the movement of materials away from one place
Igneous
type of rock formed when lava or magma cools and hardens
Sedimentary
type of rock formed when sediments are pressed together and cemented together.
Metamorphic
a type of rock formed when existing rock is
heated at high pressures and temperatures