science
Grade-4-
Easy

Question

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

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

hintHint:

Igneous rock is formed by the crystallization of molten rocks.

The correct answer is: Igneous rocks


    • The molten rocks are found under the surface either near volcanoes or naturally as a part of the crust.
    • The molten rock is also called magma which forms under the surface or on the upper portion of the mantle.
    • The molten rocks are cooled and crystallized to form igneous rocks.