The layers of the Earth Flashcards
(8 cards)
1
Q
The Earth has three basic layers
A
The crust, the mantle, and the core
2
Q
What is the crust?
A
It is the outermost layer where living things exist, it is made of basalt and granite rocks
3
Q
The properties of the physical state of the mantle are NOT uniform because…
A
Of the difference in temperature
4
Q
There is the ___ mantle and the ___ mantle
A
There is the upper mantle and the lower mantle
5
Q
Describe the two mantles
A
Upper mantle - is stable and mostly solid
Lower mantle - is liquid due to the high heat, made of hot molten rocks
6
Q
The core is…
A
Divided into two layers, outer and inner core.
Outer core is liquid while the inner core is solid.
7
Q
What makes up the lithosphere?
A
The crust and the upper mantle
8
Q
What makes up the asthenosphere?
A
The lower mantle and the outer core
