Plate Tectonics Flashcards
What is the first layer if the earth
The crust
Waht is the middle of the earth called
The crust
What is the layer of the earth below the crust called
The mantle
What are the 2 parts of the core
Inner core and outer core
How thick can the crust potiencially be
5 to 70 kilometers thick
What is the crust made up of
Solid rock that has been broken down by tectonic plates
What is the mantle made up of
Semi molten rock(semi liquid rock)
What is another name of semi liquid rock or rock that can flow
Platic rock
What causes the mantle to move slow big circles
Comvection currents
How hot can the mantle get
Near 1000°c near the crust and 3700°c nearer to the core
True or false
The mantle is the thickest part of the earth
The answer is true
What is the outer core made up of
Semi liquid iron
How thick is the outer core
2300km thick
How hot is the outer core
3700°c to 5000°c
What does the outer core do
It produces the earth’s magnetic field
