Earth structure Flashcards
1
Q
What is the crust
A
Outer layer, thin layer of rock surrounding earth.
2
Q
What is the mantle
A
Found beneath the crust, thickest layer , made up of very dense rocks called peridotites
3
Q
What is a peridotites
A
Type of dense rock
4
Q
What is the core
A
Below mantle, spherical centre of the earth, made of a nickel-iron
5
Q
Lithosphere
A
Crust and uppermost mantle.
6
Q
Asthenosphere
A
Beneath the lithosphere,rest of the upper mantle
7
Q
Lower mantle
A
More rigid , layer beneath the asthenosphere
8
Q
Outer core
A
Liquid iron and nickel
9
Q
Inner core
A
Solid iron and nickel
10
Q
A