click below
click below
Normal Size Small Size show me how
5th-Earth Layers_v
Layers of the Earth Vocabulary
Question | Answer |
---|---|
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 |