U4:L1: Plate tectonics Flashcards
(8 cards)
1
Q
What makes up the earth
A
crust
mantle
outer core
inner core
2
Q
What is a characteristic of the crust
A
it is the thinnest layer of the earth
3
Q
What is the crust made of
A
rocks and minerals
4
Q
What are some characteristics of the mantle
A
this is the thickest layer of the earth
moves in big circles caused by convection currents
this is where the hot rock rises and the cold rock sinks
5
Q
what is the mantle made of
A
made out of molten rock
6
Q
what is the outer and inner core
A
made of iron and nickel
7
Q
what are some characteristics of the outer core
A
its liquid
this where the magnetic fields comes from
8
Q
what are some characteristics of the inner core
A
hotter
metals are solid
