Earth Structure Flashcards
1
Q
What is the inner core made of?
A
iron and nickel
2
Q
Temp of inner core
A
approx 5500°C
3
Q
How thick is the inner core
A
approx 2500km
4
Q
Outer core thickness
A
2000km
5
Q
What is the outer core made of?
A
liquid iron and nickel
6
Q
Temp of outer core
A
5500°C
7
Q
Mantle thickness
A
2800km
8
Q
Mantle temp
A
700-4000°C
9
Q
What is the crust divided into?
A
oceanic and continental
10
Q
Thickness of crust
A
70km
11
Q
asthenosphere
A
upper mantle and crust
partially molten state
beneath lithosphere
12
Q
lithosphere
A
upper mantle and core
brittle
makes up tectonic plates
