Terms in this set (23)
Forms the earth's outer skin
Responsible for the earth's magnetic field
Source of heat for the mantle
Subdivided into asthenosphere, lithosphere, and mesosphere
source of magma
contains both ocean floor and dry land
Densest layer of the eart
Composed mostly of granite and basalt rock
Deepest layer of the earth
Main elements are oxygen and silicon
Rock can bend like a metal spoon
Thickest layer of the earth
The only liquid layer
Mainly composed of iron and nickel
Inner and Outer Core
Layer that contains a small portion of the crust and some of the mantle
Layer of the earth that contains only mantle
As depth increases, what happens to the temperature?
As depth increases, what happens to the pressure?
Why is the magnetic field important?
It deflects solar radiation
What are the 2 ways we know about the earth's interior?
Studying earthquakes and rock samples
Type of layer that is composed mainly of basalt
Type of layer that is composed mainly of granite