Earths Interior Flashcards
To study stuff
1
Q
What shape is Earth?
A
Geoid
2
Q
What cases the Earth do be this shape?
A
Centrifugal force
3
Q
What is the lithosphere?
A
The solid part of the earth in the upper crust.
4
Q
What is the asthenosphere?
A
The molten layer of the crust, the mantle and the inner core.
5
Q
What is the crust comprised of?
A
Oceanic and continental crusts.
6
Q
What rock is the continental crust made up of?
A
Sial
7
Q
What rock is the oceanic crust made up of?
A
Sima
8
Q
How thick is the continental crust?
A
80km
9
Q
How thick is the oceanic crust?
A
20km
10
Q
How hot is the crust.
A
900°c
11
Q
How hot is the mantle?
A
1600°c
12
Q
How thick is the mantle?
A
2900km
13
Q
How hot is the outer core?
A
4000°c
14
Q
How thick is the outer core?
A
2200km
15
Q
How hot is the inner core?
A
5000°c-6000°c
