How can we help?

You can also find more resources in our Help Center.

11 terms

Layers of the Earth

STUDY
PLAY
Crust
outermost layer of the earth
Facts about the crust
all different types of rocks, least dense layer of the earth, makes up 1% of the Earth's Mass
Facts about the oceanic crust
5-10 km thick, below the ocean
Facts about the continental crust
15-70 km thick, thickest under the mountains
Mohorovicic Discontinuity
the breack between the crust and upper mantle
Facts about the mantle
makes up 83% of the Earth, extends to a depth of 2900 km
Facts about the upper mantle
rigid, crust + upper mantle = lithosphere
Facts about the lower mantle
plastic, made up of rock called peridotite, the "parent" rock of the crust
Facts about the outer core
molten iron, extends to a depth of 5140 km
Facts about the inner core
solid nickel/iron, creates the magnetic field, center is 6375 km from the surface
Order of the layers
crust, upper mantle, lower mantle, mantle, outer core, inner core