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5th-Earth Layers_v

Layers of the Earth Vocabulary

QuestionAnswer
Layer of gases surrounding Earth Atmosphere
Layer of water in and above the crust (ocean, rivers, lakes) Hydrosphere
Layer that includes the parts of Earth that are able to support living things Biosphere
Earths outermost and thinnest layer. Only 1% of Earth's materials. Crust
Dividing line between crust and the mantle Moho
What scientists call the crust and the moho together Lithosphere
Thickest layer and makes up most of Earth's material Mantle
Layer made mostly of iron and nickel but so hot it is liquid Outer Core
Layer made of iron and under such pressure that it is so dense it is solid Inner Core
A slow destructive process that breaks rocks into smaller piles called sediments Weathering
A destructive process that moves rocks and sediment away from a place Erosion
A constructive process that occurs when eroded sediments are deposited in new places; it forms changes in the surface such as sand dunes, hills, sand bars in rivers, coastlines, etc. Deposition
Small rocks, pebbles sand, gravel, silt and clay dust Sediment
Decaying plants and animals Matter
Up to 25 miles thick, mostly granite Continental Crust
About 6 miles thick, mostly basalt pressed down by the weight of water Oceanic Crust
Created by: RoperFive