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13a-b
cooper
10
Science
7th Grade
02/16/2016

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Cards

Term
geology
Definition
study of the earth's structures and processes
Term
geologists
Definition
scientists the specialize in the study of the earth
Term
gods design of earth
Definition
1 liquid water 2 transparency of water 3 its expansion before freezing 4 dissolving properties 5 strong surface tension
Term
how do geologists learn about the earth
Definition
earthquakes and drilling
Term
the crust
Definition
rock,1st layer,7-50 km thick, 6x thicker under continents,discontinuities occur here,contains moho(1909)
Term
the mantle
Definition
extends from the moho to 2900 km deep, earthquakes travel quicker here because it has a higher temperature
Term
the core
Definition
2x as dense as iron,outer core -2260 km thick, inner core -1220 km thick, the earth's magnetic field comes from the core because it contains dense iron
Term
mantle
Definition
84%
Term
core
Definition
15.5%
Term
crust
Definition
0.5%
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