wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Which igneous rock is it?

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.
This fine grained mafic rock is often found making natural columns.
a)
granite
b)
basalt
c)
sandstone
d)
andesite
2.
This igneous rock was formed.
a)
Slowly on the surface.
b)
Quickly on the surface.
c)
Slowly underground.
d)
Quickly underground.
3.
The name of this igneous rock is...
a)
gabbro
b)
granite
c)
obsidian
d)
basalt
4.
The name of this rock is...
a)
scoria or vesiculated basalt
b)
pumice
c)
granite
d)
geode
5.
This rock cooled 
a)
on the surface
b)
underground
6.
This rock formed
a)
on the surface
b)
underground
7.
The name of this rock is
a)
granite
b)
gabbro
c)
obsidian
d)
porphory
8.
The texture of this rock is...
a)
Porphoritic
b)
vesicular
c)
pegmetitic
d)
fine-grained
9.
There is more than one texture in this rock. It has fine and coarse textures.
a)
True
b)
False
10.
There is more than one texture in this rock. It has fine and coarse textures.
a)
True
b)
False
11.
This rock is full of holes because...
a)
it formed underground.
b)
it formed on the surface.
c)
it is very light in color.
d)
the lava contained gasses.
12.
Some of these obsidian rocks are different colors because...
a)
they took longer to cool.
b)
they have more dark minerals in them.
c)
they have more light minerals in them.
d)
they cooled underground.
13.
The reverse of fractional distillation is...
a)
partial melting
b)
disfractional distillation
c)
slow step cooling
d)
slow continual cooling
14.
Partial melting will create rocks that have ...
a)
a fine texture
b)
a course texture
c)
a medium texture
d)
more than one texture
15.
Rocks that have large crystals in them such as this tourmaline are...
a)
large grained
b)
small grained
c)
pegmatites
d)
crystallography