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Activity 3. Types of Igneous Rocks, Described!
Directions. Given are the different examples of igneous rocks. Supply the missing
information to complete the table below.
Formed
Cooling
rate
Rock
Type of
Igneous Rock
(intrusive or
extrusive)
from
(magma
or lava)
Crystal
size (small,
large or no
crystal)
(fast or
slow)
Rhyolite
extrusive
1.
2.
small
Gabbro
3.
4.
slow
large
Granite
intrusive
5.
slow
6.
rmediate
entage of
8.
Scoria
lava
No crystals
7.
a content
is exposed
reme high
re, its color​