earth

Cards (13)

what is pangaea 
when all of the continents were connected as one landmass
what were the two land masses know as when Pangaea split
laurasia and gondwanaland
what is continental drift 
when all the countries are moving apart
what are the four layers of earth
crust
mantle
outer core
inner core
what is the crust and one detail
the thin outer layer made up of solid rock
what is the mantle and one detail
under the crust
consists of molten and semi molten rock
what is the outer core and one detail
comes after the mantle consists of liquid nickel and iron
what is the inner core and one detail 
the solid centre of the earth
up to 6000 degrees celsius
how do convection currents work
the core heats the plate and it rises then when it gets to the top it cools and goes back down and the repeats in a circular motion
what are the three types of plates
sliding
separating
colliding
what type of boundary is a separating one
constructive boundary
what type of boundary is a colliding one
destructive boundary
what type of boundary is a sliding one
constructive boundary