science
Grade-4-
Easy

Question

_______type of rock is formed when melted rock cools and hardens.

  1. Metamorphic rock
  2. Igneous rocks
  3. Sedimentary rock
  4. Ignite rock 

hintHint:

Igneous rock is formed by the cooling and hardening of molten rocks.

The correct answer is: Igneous rocks


    •  The igneous rock is formed from molten rock.
    • The molten rock cools and solidified to form igneous rock.
    • The igneous rock takes many years to form as it needs more time to get crystallized.