Science vocabulary the structure of the earth Flashcards
Of the earth :Our earth is a planet orbiting the sun ,from which we receive solar energy .
External characterics
Is our home ,a unique planet spinning through space .
Earth
Of the earth :the earth has layers within it which is differ from each other .
Internal characteristics
A solid mass made up of an iron -nickel .
Inner core
The inner core is very dense and very HOT (4000 0C).
Alloy
Is liquid , it is a iron-sulfur mixture which is being constantly moved by convection currents .
Outer core
Has 2 upper parts :the upper mantle and the lower mantle .
Mantel
Is the top layer of the earth
Crust
Which are solid and lighter than the inner parts of the planet.
Minerals
This is the lightest part of the earth it rides on top of the mantel .
Continental crust