Earth's Structure Flashcards
1
Q
What percent of the Earth’s entire structure is the crust?
A
Less than 1%
2
Q
What are the 4 layers of the Earth?
A
Crust, Mantle, Outer Core, Inner Core
3
Q
Which layer supports all life on Earth?
A
The Crust
4
Q
Which layer contains the tectonic plates?
A
The Mantle (specifically the lithosphere)
5
Q
What force does the liquid Outer Core create?
A
Magnetism (We call it the Magnetosphere)
6
Q
What two elements is the Inner Core made of?
A
Iron and Nickel
7
Q
As you go deeper down into the Earth, what two properties increase?
A
heat and pressure
8
Q
Which layer is about 9,800 degrees Celsius (about as hot as the “surface” of the Sun)?
A
The Inner Core
