Flashcards in The Structure Of The Earth Deck (6)
3 sections of the Earth
What is the crust divided into?
How often do plates move?
About 7 cm each year
What is the mantle?
The semi-liquid section below the crust upon which plates float.
What is the core?
The very hot sphere in the centre of the Earth mainly composed of an iron-nickel alloy as well as some other elements.