structure of the earth Flashcards
1
Q
what are the 4 layers of the earth?
A
inner core
outer core
mantle
crust
2
Q
inner core property
A
solid
3
Q
outer core property
A
liquid
4
Q
mantle property
A
viscous (semi-liquid molten)
5
Q
crust property
A
solid
6
Q
inner core thickness
A
1200km thick
7
Q
outer core thickness
A
2270km thick
8
Q
mantle thickness
A
2900km thick
9
Q
crust thickness
A
5-70km thick
10
Q
inner core temp
A
5000-7000 degrees
11
Q
outer core temp
A
3500-4500 degrees
12
Q
mantle temp
A
1300-4000 degrees
13
Q
crust temp
A
0-70 degrees
14
Q
inner core made out of?
A
iron and nickel
15
Q
outer core made out of?
A
iron and nickel
16
Q
mantle made out of?
A
molten rock-magma, silicon and oxygen
17
Q
crust made out of?
A
silicpn, oxygen, aluminium, magnesium, potassium, sodium and rock
