Section #: 4.1
What is a mineral?
Practice Test
1.
How do crystals of salt form?
a.
in glacial ice
b.
from magma
c.
inside caves
d.
from solution
Hint
2.
A
n
__________ is a solid in which the atoms are arranged in repeating patterns.
a.
atom
b.
crystal
c.
magma
d.
rock
Hint
3.
What is an example of an oxide?
a.
anhydrite
b.
sulfur
c.
calcite
d.
magnetite
Hint
4.
Which crystal shown in the figure is hexagonal?
a.
3
b.
2
c.
1
d.
none are hexagonal
Hint
5.
What is the molten material under Earth's crust called?
a.
solution
b.
magma
c.
basalt
d.
minerals
Hint
6.
What are the common minerals called?
a.
rock-forming minerals
b.
crystal minerals
c.
abundant minerals
d.
igneous minerals
Hint
7.
What is the correct atomic composition of quartz?
a.
four atoms of silica and oxygen each
b.
two oxygen atoms and one silica atom
c.
two silica atoms
d.
two silica atoms and one iron atom
Hint
8.
What is the most abundant element in Earth's crust?
SC.D.1.4.2
a.
oxygen
b.
silica
c.
potassium
d.
iron
Hint
9.
Which is not a characteristic of a mineral?
a.
specific chemical composition
b.
organic solid
c.
definite crystal structure
d.
naturally occurring
Hint
