E.1 The Earths Composition

Question 1

VOCAB
The crust:

Answer 1

-Outermost layer
-About 50km thick
-Almost all solid rock

Question 2

VOCAB
The mantle:

Answer 2

-About 2900km thick
-Mostly solid rock but lower part is very slowly flowing liquid rock

Question 3

VOCAB
Lithosphere:

Answer 3

-Solid outer part(made up of the crust and solid part of mantle.)

Question 4

VOCAB
Outer core:

Answer 4

-About 2200km thick
-Liquid rock

Question 5

VOCAB
Inner core:

Answer 5

-About 1250km thick
-Solid irom and nickel
-About 7000 degrees

Question 6

What is the order of Earths layers?

Answer 6

1.Crust
2.Mantle
3.Outer core
4.Inner core

Question 7

What states of matter is the rock in as you go deeper into the earths core?

Answer 7

Solid ->Liquid ->Solid