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Science Chapter 3 Unit E Definitions
Science Chapter 3 Unit E Definitions
13
Science
5th Grade
02/25/2014

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Term
fault
Definition
a break in rock along which rocks have moved
Term
crust
Definition
the outer layer of the Earth
Term
mantle
Definition
a thick layer of rock between the crust and the core of the Earth
Term
absolute age
Definition
the actual age of an object
Term
syncline
Definition
a downward fold of rock layers
Term
fossil
Definition
the remains or traces of a living thing from the past, preserved in rock
Term
index fossils
Definition
a fossil used to determine the relative age of rock
Term
model
Definition
something used or made to represent an object or an idea
Term
anticline
Definition
a upward fold of rock layers
Term
erosion
Definition
the wearing away and removing of rock and soil caused by such forces as wind and flowing water
Term
fold
Definition
a bend in a layer of rock; forces within Earth can cause a fold to form rock layers
Term
core
Definition
the innermost layer of Earth, which consists of a molten outer part and a solid inner part
Term
relative age
Definition
the age of an object as compared to other objects
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