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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
materials made by humans.
B
compounds.
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
coal.
B
quartz.
C
glass.
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 organic.
B
they are not naturally occurring.
C
they are too hard.
D
they have many uses.
4) The repeating pattern of a mineral's particles forms a solid called a(n)
A
crystal.
B
rock.
C
element.
D
compound.
5) The color of a mineral's powder is called its
A
hardness.
B
streak.
C
luster.
D
density.
6) If you broke a mineral into tiny pieces, each piece would
A
be roughly the same size.
B
be organic.
C
be metallic.
D
a still show the same crystal structure.
7) What is the hardest known mineral?
A
gold
B
talc
C
diamond
D
quartz
8) Most minerals do NOT split apart evenly. Instead, they have a characteristic type of
A
cleavage
B
crystal
C
fracture
D
luster
9) What crystal shape does halite have?
A
heagonal
B
monoclinic
C
glassy
D
cubic
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
talc.
D
apatite.
12) Amber is not an example of a mineral because
A
it is inorganic
B
it is a solid.
C
it has a definite chemical structure.
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
inorganic
D
organic
14) Most minerals are chemical ____ in which two or more elements are combined.
A
compounds
B
reactions
C
cleavage
D
crystals
15) One way to identify a mineral is to rub it against a piece of unglazed tile to observe its
A
cleavage.
B
luster.
C
streak.
D
hardness.
16) What would happen if you rubbed a piece of fluorite against a piece of feldspar?
A
Neither would be scratched.
B
Both would be scratched.
C
Feldspar 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
apatite, felspar, and corundum
C
fluorite, apatite, and feldspar
D
talc, gypsum and calcite
18) A mineral glows under ultraviolet light. What special property does this mineral have?
A
magnetism
B
reactivity
C
fluorescence
D
optical property
19) A mineral produces a double image when placed on a worksheet. What special property does this mineral have?
A
magnetism
B
reactivity
C
fluorescence
D
optical property
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
2025 g/cm3
D
54 g/cm3
*select an answer for all questions
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