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Forces that Shape Earth's Surface
Chapter 8 - Houghton Mifflin
9
Science
4th Grade
11/02/2010

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Term
core
Definition
a dense ball with a liquid outer part and a solid inner part
Term
crust
Definition
the outer layer of the Earth
Term
mantle
Definition
a thick layer of rock between the crust and the core
Term
mineral
Definition
a solid material found in Earth's crust that has a definite chemical makeup
Term
rock
Definition
a solid material made up of one or more materials
Term
sediment
Definition
material made up of sand, particles of rock, bits of soil, and the remains of once living things
Term
deposition
Definition
dropping of sediment moved by water, wind, and ice
Term
erosion
Definition
the movement of rock material from one place to another
Term
weathering
Definition
the slow wearing away of rock into smaller pieces
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