Igneous rocks form when magma cools below Earth’s surface or lava cools at the surface.
(Igneous rocks; form; T:when magma cools below Earth's surface or lava cools at the surface) (magma; cools; L:below Earth's surface or lava cools; L:at the surface)
Igneous rocks magma
form cools
T:when magma cools below Earth's surface or lava cools at the surface
L:below Earth's surface or lava cools L:at the surface