5.1 Flashcards
What is the radius of earth
6,400Km
That’s about how much distance between London and Edinburgh
twelve times
Earth’s hard skin is the?
crust
How thick is the crust?
35km thick
How thick is the mantle?
2,900km thick
The upper mantle is soft of rigid?
hard and rigid
Is the lower mantle rigid?
No
What is the core made up of?
metal
Is the inner core solid or liquid?
solid
Is the outer core solid or liquid?
liquid
How thick is the crust approximately?
7-70km thick
How much is the temperature of the core?
6000 degree celcius
what are oceanic crust?
crust that forms on coeans
what is continental crust?
Crust that forms on continents
Melting point increases with what?
pressure so that the rock stays solid.
Continental crust is mainly what?
Granite
how thick is Continental rock?
70km thick
Oceanic rock is made of which rock?
Basalt
how thick is Oceanic crust?
7km thick
There are what under the oceans?
Mountains, deep valleys, trenches or volcanoes
The upper mantle is hard rigid and around _____thick
600km
Together the crust and the upper mantle is?
Litosphere
The tallest mountain on the ocean floor is?
Mauna Kea