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