Earths Structure Flashcards
1
Q
Name all parts of the Earth’s structure.
A
Crust, mantle, outer core, inner core.
2
Q
What is the depth of the Crust ?
A
8-40 Km
3
Q
What is the depth of the Mantle ?
A
2900 Km
4
Q
What is the depth of the Outer Core ?
A
2250 Km
5
Q
What is the depth of the Inner Core ?
A
1300 Km
6
Q
What is the Earth’s radius ?
A
6458 Km
7
Q
What do you call the arrows that carry heat ?
A
Convection currents
8
Q
What is the hottest part of the Earth ?
A
Inner Core
9
Q
Why is the Inner Core made up of solid rather than liquid iron ?
A
Because all the three layers above it are compressing the iron making it solid.
9
Q
Why is the Inner Core made up of solid rather than liquid iron ?
A
Because all the three layers above it are compressing the iron making it solid.
