The Structure of the Earth Flashcards
(8 cards)
1
Q
How many layers is the earth made up of
A
Three
2
Q
Name layers of the earth
A
Crust
Mantle
Outer core
Inner core
3
Q
What is the crust composed of
A
Composed of solid rock
4
Q
What does mantle consist of
A
Consists of molten rock known as magma
5
Q
What is outer core made up of
A
The outer core is made of molten metals, primarily nickel and iron.
6
Q
What does inner core made up of
A
The inner core is solid due to the extreme pressure present at the centre of the Earth
7
Q
Name the two types of crust
A
oceanic and continental
8
Q
What is the crust made up of
A
Plates