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Minerals Review Part 2
Test Description: Here's another round of questions to help you review!
Instructions: Answer all questions to get your test result.
1) A dull yet slightly reflective luster. Example, graphite from our lab!
A
Submetallic
B
Nonmetallic
C
Metallic
2) Why is streak more reliable than color in identifying a mineral?
A
Streak does not change while color can due to impurties in the mineral when exposed to air and water.
B
Color does not change while streak can due to impurities in the mineral when exposed to air and water.
C
Streak is a more fun test to perform.
D
This is false. Streak is not more reliable than color.
3) What do we call the porcelain plate we use to perform a streak test?
A
Stark plate
B
Stork plate
C
Steak plate
D
Streak plate
4) What are some everyday objects geologists use to test for the hardness of a mineral?
A
fingernail
B
All of the above!
C
glass
D
pennies
5) The color of a mineral in powdered form.
A
density
B
fracture
C
streak
D
color
6) The way in which a mineral reflects light.
A
color
B
cleavage
C
luster
D
hardness
7) This means non-living or comes from non-living things.
A
definite chemical composition or crystalline structure
B
solid
C
naturally formed
D
inorganic
8) This means is forms in nature; not man-made
A
solid
B
inorganic
C
naturally formed
D
definite chemical composition or crystalline structure
9) This means it has a definite shape and volume.
A
solid
B
inorganic
C
definite chemical composition or crystalline structure
D
naturally formed
10) The ratio of a mineral's mass to it's volume is known as ______________.
A
streak
B
color
C
hardness
D
density
11) A measure of a mineral's ability to resist scratching.
A
hardness
B
cleavage
C
fracture
D
special properties
12) This mineral is an example of cleavage.
A
Sulphur
B
Magnetite
C
Halite
D
Olivine
13) This mineral is an example of fracture.
A
Halite
B
Calcite
C
Rose Quartz
14) The breaking of a mineral evenly, along smooth, flat surfaces; a clean break.
A
density
B
cleavage
C
hardness
D
fracture
15) The breaking of a mineral and it's rough and jagged; uneven; curved or irregular surfaces.
A
fracture
B
cleavage
C
hardness
D
density
16) What you view on the outside of a mineral. For example, sulphur is yellow.
A
color
B
special properties
C
fracture
D
cleavage
17) Travis took a piece of hematite and rubbed it across a porcelain plate. The mineral left behind a red-brown powder. What property was he testing?
A
hardness
B
luster
C
streak
D
color
18) Lisa noticed the piece of olivine was very dull and non-reflective. What type of luster is she describing?
A
Submetallic
B
Metallic
C
Nonmetallic
19) Sheri was able to scratch the piece of talc with her fingernail. What rating would you give talk on the Mohs Hardness Scale?
A
6
B
3
C
9
D
1
20) Rory placed a little bit of a weak acid on a piece of calcite and noticed it bubbling and fizzing. What special property is she testing?
A
chemical reaction
B
fluorescence
C
radioactivity
D
magnetism
*select an answer for all questions
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