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Minerals
Test Description: Review questions on Minerals
Instructions: Answer all questions to get your test result.
1) A mineral is inorganic, which means that it contains
A
compounds.
B
materials made by humans.
C
no materials that were once part of living things.
D
parts of living things.
2) An example of a mineral made up of a pure element is
A
glass.
B
quartz.
C
coal.
D
copper.
3) Although brick, steel, and glass all come from substances found in Earth's crust, they are NOT classified as minerals because
A
they are too hard.
B
they are organic.
C
they have many uses.
D
they are not naturally occurring.
4) The repeating pattern of a mineral's particles forms a solid called a(n)
A
compound.
B
crystal.
C
rock.
D
element.
5) The color of a mineral's powder is called its
A
luster.
B
density.
C
hardness.
D
streak.
6) If you broke a mineral into tiny pieces, each piece would
A
a still show the same crystal structure.
B
be organic.
C
be roughly the same size.
D
be metallic.
7) What is the hardest known mineral?
A
gold
B
quartz
C
talc
D
diamond
8) Most minerals do NOT split apart evenly. Instead, they have a characteristic type of
A
luster
B
crystal
C
cleavage
D
fracture
9) What crystal shape does halite have?
A
monoclinic
B
glassy
C
cubic
D
heagonal
10) The term used to describe how light is reflected from a mineral's surface is
A
streak.
B
density.
C
luster.
D
fluorescence.
11) The softest mineral on the Mohs hardness scale is
A
gypsum.
B
quartz.
C
apatite.
D
talc.
12) Amber is not an example of a mineral because
A
it is a solid.
B
it has a definite chemical structure.
C
it is inorganic
D
it was made from a living thing.
13) A mineral is always a(n) ____ because it has a definite volume and shape.
A
solid
B
streak
C
organic
D
inorganic
14) Most minerals are chemical ____ in which two or more elements are combined.
A
crystals
B
compounds
C
cleavage
D
reactions
15) One way to identify a mineral is to rub it against a piece of unglazed tile to observe its
A
hardness.
B
cleavage.
C
luster.
D
streak.
16) What would happen if you rubbed a piece of fluorite against a piece of feldspar?
A
Feldspar would be scratched.
B
Both would be scratched.
C
Neither would be scratched.
D
Fluorite would be scratched.
17) Which minerals in the Mohs hardness scale would scratch quartz?
A
topaz, corundum, and diamond
B
fluorite, apatite, and feldspar
C
apatite, felspar, and corundum
D
talc, gypsum and calcite
18) A mineral glows under ultraviolet light. What special property does this mineral have?
A
reactivity
B
magnetism
C
optical property
D
fluorescence
19) A mineral produces a double image when placed on a worksheet. What special property does this mineral have?
A
fluorescence
B
optical property
C
magnetism
D
reactivity
20) A mineral has a mass of 45 grams and a volume of 9 cubic centimeters. What is its volume?
A
5 g/cm3
B
0.2 g/cm3
C
54 g/cm3
D
2025 g/cm3
*select an answer for all questions
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