Contents

Structure of the Earth                     



There are …………..main layers of Earth.
a) 2     
b) 3                 
c) 4     
d) 5
(Core,      Mantle,    Crust)


The property of the big three layers of the earth resemble the…
a) Onion                     
b) Ball         
c)  Tomato                
d) Egg


Crust:

Outmost layer of earth is………………….
a) Mountain
b) Crust
c) Trench
d) Ridge


Which of the following is the lightest and thinnest layer of the earth?
a) Core                        
b) Crust
c) Mantle                    
d) none of these


Thickness of crust under continents is (average)
a) 5-70 km                  
b) 30-30 km                
c) 50-80km                 
d) None of these