Chapter31 Flashcards
The outer most solid shell of the earth
Crust
The science that deals with the earths structure
Geology
The largest layer of the earth less dense
Mantle
A huge ball of hot metal located in the center of the earth
Core
Degree of compactness of a substance
Density
She’ll of cool rigid rock
Lithosphere
Made of mantle rock
Asthenosphere
Strong rigid mantel rock in between the asthenosphere and outer core
Lower mantle
Shell if hot liquid metal
Outer core
Solid sphere of hot metal mostly iron
Inner core
Is when the continents formed together
Continental drift
A global system of underwater mountains
Mid ocean ridge
Long deep steep troughs through the sea floor
Ocean trench
When a lithosphere is being created
Sea floor spreading
A warm liquid rock under the earth
Magma