Crust
Which crust is denser? Oceanic or Continental.
oceanic
The layer between the Crust & Core
Mantle
What elements make up the outer layer?
Iron and nickel
where is this located in the earth
deepest part
What percentage of water is in the earth?
What is 70%
What element is the most abundant on the Earth’s crust?
Oxygen
What is the total volume of the mantle?
80%
What layer of earth is the outer core ?
3rd
true of false? The inner core is made liquid iron and nickel
False. it is made out of solid iron and nickel
The layer of the Earth where life exist.
Crust
Which crust is thicker? Oceanic or Continental?
Continental
What kind of rock is mantle made up of?
Silicate rocks
What is the composition of the outer core?
Liquid
true of false. Do convection currents happen in the inner core?
False. Convection currents happen in the mantle
What is the most dense thing in the earths layers?
The inner core.
Which layer does the crust floats on?
Asthenosphere
What could be used as a proof that the mantle is solid?
Seismic waves ( S-wave)
How thick is the outer core?
Approximately 2250 km
true or false. Is the inner core the densiest layer?
True.
Why is the outer core liquid?
Extreme temperature
What rocks are the oceanic crust mainly made up of?
Basalt rocks
What happens to the rocks during convection currents?
Molten rock flow slowly and rises up
Is outer core denser or less dense than the inner core ?
Less dense
Why is the inner core solid?
Because of too much pressure
Name the layers of the earth top to bottom
crust, mantle, outer core, inner core