Contents

What is magma?
a) Salt crystals in sedimentary rock     
b) Basalt rock 

c) Bubbles of gas
d)
Molten matter inside the earth

d

Hot molten matter which comes out from the Earth and flows on the surface of the Earth due to volcanism is called………..
a) Magma                    

b) Lava
c) Granite                    

d) all of these


b

The opening or a hole in the Earth's crust through which the magma comes to the Earth's surface is known as
a) Vent           

b) Cone           

c) Pipe

d) Crater

a

The process, in which magma comes out from inside the earth and form different shapes, is called……..
a) Volcanism              

b) Fireflies
c) Firelism                   

d) all of these

a

There are……………types of volcanoes.
a) 2     

b) 3                 

c) 4     

d) 5

b

Volcanoes from which Lava is ejecting time to time are called ……….
a) active volcanoes

b) Dormant Volcanoes
c) Extinct Volcanoes   

d) none of these

a