Earths Structure Flashcards
1
Q
How many layers of the Earth are there?
A
4 layers of the Earth
2
Q
Name all the layers of the Earth
A
- Crust
- Mantle
- Outer core
- Inner core
3
Q
Explain the crust
A
The crust is the layer we live on. It is between 6km & 70km thick & contains solid rock
4
Q
Explain the mantle
A
The mantle is made of hot molten rock called magma, which moves slowly like thick honey. It makes up 85% of the entire Earth. It is 2,000C - 4,000C in temperature
5
Q
Explain the Outer Core
A
The Earths outer core is made of liquid iron & nickel. The movement of this liquid gives our Earth its magnetic field. It is 4,000C - 6,000C in temperature
6
Q
Explain the Inner Core
A
The inner core is made of iron & nickle