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THE EARTH'S LAYERS

QuestionAnswer
dense and solid Inner Core
molten or liquid Outter Core
A thick layer of rock about 1,800 miles thick. Mantle
Rocky surface layer Crust
liquid that breaks through the earth’s crust. Magma
the molten rock or magma once its on the surface Lava
This theory explains the movement of the Earth's plates. Explains the cause of earthquakes, volcanoes, oceanic trenches, mountain range formation, and many other geologic phenomenon's Plate Tectonics
Where plates collide, the crust crumples and buckles into mountain ranges. Convergent Boundaries
Magma from deep in the Earth's mantle rises toward the surface and pushes apart two or more plates. Mountains and volcanoes rise along the seam. Divergent Boundaries
Two plates grind past each other, triggers large earthquakes Transform Boundaries
One plate moves under another at about 1 to 10 centimeters a year. Earthquakes and Volcanoes are a result. Subduction
German explorer who created the continental drift theory Alfred Wegener
The movement of the Earth’s continents Continental Drift
supercontinent that broke apart and formed the 7 continents Pangaea
A circle of Volcanoes surrounding the Pacific Ocean floor The Ring of Fire
Created by: Orioles
Popular Geography sets

 

 



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