extrusive igneous rock - rocks formed from molten material that cools or crystallizes at the surface of the Earth.
(extrusive igneous rock - rocks; formed; from molten material) (molten material; cools; ) (molten material; crystallizes; L:at the surface of the Earth)
extrusive igneous rock - rocks molten material molten material
formed cools crystallizes
from molten material
L:at the surface of the Earth