Earths Layer (Tectonic Hazards) Flashcards
1
Q
Earth crust thickness
A
overall = 5 to 70km Oceanic = 35-70km continental = 5-7km
2
Q
Mantle Thickness
A
2900 km
3
Q
Outer core thickness
A
2200km
4
Q
inner core thickness
A
1530 to 1230 km
5
Q
crust state of matter
A
Solid
6
Q
Mantle state of matter
A
Semi-liquid
7
Q
Outer core state of matter
A
liquid
8
Q
Inner core state of matter
A
Solid
9
Q
Elements found in the crust
A
Oxygen, Silicon, Aluminium, Iron, Calcium, Sodium, Potassium, Magnesium
10
Q
Elements found in the Mantle
A
Silicon, magnesium, Iron
11
Q
Elements found in outer core
A
Iron, Nickel
12
Q
Elements in the inner core
A
Iron, Nickel
13
Q
Crust Temperature
A
500-1000°C
14
Q
Mantle Temperature
A
Upper: 1400°C to 3000°C
Lower: 3000°C
15
Q
Outer core Temperature
A
4000-6000°C
