Flashcards in Earths Structure Deck (7):
1
What are the four layers of the earths structure?
Crust
Mantle
Outer core
Inner core
2
What is the outer core made out of?
Nickel and iron
3
What is the mantle?
Soft molten rock at around 380 degrees
4
What is the inner core
Solid and about 5500 degrees
5
Why do plates move?
Due to convection currents in the mantle
6
What is the difference between continental and oceanic plate?
Continental crust=thicker and less dense older
Oceanic crust= thinner and more dense, younger, subducts
7