Igneous rock is made when the lava (melted rock on the surface of the Earth) or magma (melted rock below the surface of the Earth) cools down and becomes hard.
(Igneous rock; is made; T:when the lava (melted rock on the surface of the Earth) or magma (melted rock below the surface of the Earth) cools down and becomes hard) (the lava (melted rock on the surface of the Earth) or magma (melted rock below the surface of the Earth; cools down; ) (the lava (melted rock on the surface of the Earth) or magma (melted rock below the surface of the Earth; becomes; hard)
Igneous rock the lava (melted rock on the surface of the Earth) or magma (melted rock below the surface of the Earth the lava (melted rock on the surface of the Earth) or magma (melted rock below the surface of the Earth
is made cools down becomes
T:when the lava (melted rock on the surface of the Earth) or magma (melted rock below the surface of the Earth) cools down and becomes hard
hard