Structure Of The Earth

Question 1

When was earth formed?

Answer 1

4.5 billion years ago

Question 2

Crust

Answer 2

-solid rock
-60km under continents
-10m under oceans
-floats on magma

Question 3

Mantle

Answer 3

-4000 degrees
-semi molten rock called mama

Question 4

Core

Answer 4

-divided into two parts
-made up of nickel and iron
-5000 degrees

Question 5

Inner core

Answer 5

Solid ball due to pressure

Question 6

Outer core

Answer 6

Molten