The Earth's Structure Flashcards
1
Q
Crust
A
A thin outer layer of solid rock
2
Q
Mantle
A
- below the crust
* mostly solid, can flow very slowly deep down bc temperature increases as u go deeper into the mantle
3
Q
Core
A
- centre of the earth
* made of iron and nickel (we think)
4
Q
Tectonic plates
A
- crust and upper mantle are cracked into a number of large pieces
- can move around slowly
- if they move suddenly, they cause earthquakes
- volcanoes/earthquakes often occur where they meet