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weaver science

Michael unit 5

Asthenosphere Plasticlike layer of earth on which the plates float and move around. it consists of weak rock that can move slowly.
lithosphere rigid layer of earth about 100 kilometers thick, Made of the crust and the upper part of the mantle
Crust the outermost layer of the earth. the thickness varies between 5-60 kilometers. it is less dense than the layer underneath.
Upper Mantle a more fluid section of the mantle where seismic waves slow down
Lower Mantle
Outer Core
Created by: Mdillon