Layers of the earth Flashcards
what is the layer that we live on?
crust
what is the layer that magma is found on?
mantel
what layer is mostly made of iron?
outer core
what layer is solid and why?
inner core, because of the high pressure
is it true that the mantle is where the convection current occur
yes it is true
what is the temperature of the inner core
6000 degrees celcius
how wide is the crust
rarely exceeds 50km
how wide is the mantel
2900km (approx)
how wide is the outer core
2266km (approx)
how wide is the inner core
1200km (approx)
what is the thinnest layer?
crust
what is the crust made of?
soil, water and rock
is it true that it gets more solid closer to the crust, in the mantel?
yes
what is the outer core made of?
made mostly of iron
why is the outer core consisting of mostly liquid?
due to the high heat