Earth layers Flashcards
1
Q
How far have we drilled into the Earth?
A
About one third.
2
Q
What is the outermost layer of Earth?
A
The Crust.
3
Q
What is the largest Earth layer?
A
The Mantle.
4
Q
What is the only liquid layer of Earth?
A
The Outer Core.
5
Q
What is the densest layer of Earth?
A
The Inner Core
6
Q
How do scientists know so much about the Earth Layers?
A
Seismic Waves.
7
Q
What is the Crust made of?
A
Granite and Basalt.
8
Q
What is the Mantle mostly made of?
A
Magma.
9
Q
What is the Inner Core made of?
A
Solid nickel and iron.
10
Q
How hot is the Inner Core?
A
As hot as the Sun.
