C2.4.1 the earth Flashcards
1
Q
What are the four layers of the earth
A
-the inner and the outer core
-the crust
-mantle
2
Q
What is the properties of the crust (there are three)
A
-The crust is made of huge pieces of land called
tectonic plates
-it is rocky
-and is between 8km to 40km
3
Q
Why do the plates in the crust move about?
A
These plates move around because they are floating on the
semi-solid mantle below them.
4
Q
What is the properties of the MANTLE (there are three)
A
the mantle is made up of mainly solid rock
the rocks move very slowly and the hotter rock rises and the cooler rock sinks
The mantle is a semi-solid layer below the crust.
5
Q
The inner and the outer core properties (there are three)
A
mainly made up of iron and nickel
the outer core is liquid
the inner core is solid
