Y9 Tectonics Flashcards
1
Q
How thick is the crust?
A
5-70km
2
Q
What is the crust made up of?
A
Solid rock that is broken into pieces called tectonic plates
3
Q
How hot is the mantle?
A
1000ºC-3700ºC
4
Q
What is the mantle made of?
A
Semi-molten rock
5
Q
How thick is the outer core?
A
2300km thick
6
Q
How hot is the outer core?
A
3700ºC - 5000ºC
7
Q
What is the outer core made of?
A
Semi-liquid iron
8
Q
How thick is the inner core?
A
1250km
9
Q
How hot is the inner core?
A
5000ºC+
10
Q
What is the inner core made of?
A
Solid iron and nickel
