Earth's Layers Flashcards
1
Q
What are Earth’s Four Layers?
A
Crust, Mantle, Inner Core, Outer Core
2
Q
Crust Information
A
- 8 - 42 Km thick
- Cold and Fragile
- Made up of Granite and Basalt
3
Q
Mantle Information
A
- 2900 km thick
- hot and Molten
- Made up of Magnesium and Silicon
3
Q
Outer core Information
A
- 2000 km thick
- 3000 - 4000°C
- Made up of Liquid Nickel and Iron
3
Q
What is the Crust?
A
The crust is the layer that you live on so it is the most widely studied and understood.
3
Q
Inner Core Information
A
- 1400 km thick
- 5000 - 6000°C
- Made up of Solid Nickel and Iron
3
Q
What is the Mantle
A
- The mantle is the largest layer of the Earth.
- It is made of hot, dense rock.
4
Q
What is the Core?
A
- The core of the Earth is much like a ball of very hot metals. The inner core is surrounded by a fluid iron outer core.
5
Q
What is the thinnest layer of the Earth?
A
The Crust
6
Q
What is the Thickest layer of the Earth?
A
The Mantle
