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What is magma and lava?

   What is Magma?
 
Ans:- Due to enormous pressure and temp erature the substance of the earth's interior remain liquid, being mixed with gas and vapour is called magma. 
 
Short Ans:- molten rock material inthe earth 's interior is known as magma



                               
   What is lava?
 
Ans:- When hot molten magma of the earth's interior, comes out through the cracks and joints on the earth's surface, it is called lava As temperature rises a substance melts into liquid and increases in volume. On the other hand, when pressure increases, there happens to be a severe contraction in the same volume of mass. Both pressure and temperature are incredibly high in earth's interior. 

Short Ans:- when this magma comes out to the earth's surface, it is as lava.


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