a scientist who studies rocks
geologist
an igneous rock that has formed from lava cooling down on the surface of the Earth
extrusive igneous rock
an igneous rock that has formed when magma cools down inside the Earth's crust
intrusive igneous rock
part of a rock made of different substances with a crystalline structure (quartz, feldspar)
mineral
the particular shaped structure of a mineral
crystal
the expression that means we can see something with our eyes without the help of a magnifying glass or microscope
naked eye
Granite is an example of _________ _________ rock.
intrusive igneous
Basalt is an example of _________ _________ rock.
extrusive igneous
molten rock that breaks through the Earth's surface
lava
Intrusive igneous rocks have ___________ crystalline texture.
coarse
Extrusive igneous rocks have ___________ crystalline texture.
fine
