Plate Tectonics Flashcards
What is the crust
The outer layer of the earth
What is the mantel
The inside of the earth
What is the core
The centre of the earth
What is the crust made of
Solid rock
What is the core and inner core made out of
Inner core is iron and nickel and outer core is liquid iron and nickel
What is the mantle made out of
Magma
What is the name of the contents when they were all together
Pangea
How many major world plates are there
7
What are the major world plates
Pacific, American, Nazca, African, eurasian, australian
What is convection currnets
Convection currents are in the mantle and move the plates. The plates float on the mantle while the magma in the mantle move and make convection currnets
Name the 3 tipes of plate movement
Crash together, pull apart, slide past each other.
What happens when the plates pull apart.
Earthquakes, volcanos, under the sea mountains and mounatain
What happens when plate collide
Earthquakes, fold mountain, tsunami, subduction
What happens when plates slide past each other
Earthquakes
Is a oceanic or contenentsl plate heaver
Oceanic
