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earth layer

QuestionAnswer
Chemical Composition Layers 3 layers- Crust , mantle , core
Physical Composition Layers 5 layers- lithosphere, asthenosphere, mesosphere, outer core, inner core
The Crust outermost layer 5 km to 100 km thinnest
There are two types of crust continental and oceanic. Oceanic crust is thinner and denser than continental crust.
Chemical Composition: Mostly oxygen, silicon, aluminum Oceanic Crust: is denser because it has twice as much iron, calcium and magnesium than in the continental crust!
the core s the central part of the Earth that lies below the mantle. The core makes up about one-third of Earth’s mass. As we get deeper into the Earth, pressure and temperatures increase making this the hottest layer.
The Layers of the Earth by Physical Properties The lithosphere The asthenosphere The mesosphere The outer core The inner core
The lithosphere The outermost, rigid layer of the Earth. is made of two parts—the crust and the rigid upper part of the mantle. Broken into pieces that are called tectonic plates.
Created by: user-2016311
 

 



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