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Study Quiz 7.2
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1
A chemical element or compound that is naturally occurring and has a crystal structure is called
A)an ore
B)a molecule
C)a mineral
D)a rock
2
On a hike you see something sparkling on the ground. You pick it up and notice that it is made up of several different minerals. What have you found?
A)An element
B)A rock
C)A composite
D)Chemical
3
Which of the following is an example of a mineral that is a chemical compound?
A)Quartz
B)Sulfur
C)Gold
D)Diamond
4
Which of the following CANNOT help you identify a mineral?
A)Crystal structure
B)Number
C)Hardness
D)Colour
5
The _______, or shininess, of a mineral depends on how light is reflected from its surface.
A)crystal structure
B)hardness
C)colour
D)lustre
6
In science class, you are trying to identify minerals. When you rub a sample across an unglazed porcelain tile, it leaves a mark. This method of identifying minerals is called a
A)streak test
B)colour test
C)hardness test
D)lustre
7
You are asked to identify a mineral. You note that when you break a piece off, the edges of the break are rough or jagged. This property, called _______, can help you identify the mineral.
A)streak
B)fracture
C)hardness
D)lustre
8
While you are examining a mineral sample, it breaks apart along smooth, flat surfaces. This property is called
A)colour
B)streak
C)cleavage
D)fracture
9
Which of the following properties would a mineral have if you could barely see through it?
A)Lustre
B)Opaqueness
C)Transparency
D)Translucence
10
Which of the following properties would a mineral have if you could not see through it at all?
A)Lustre
B)Opaqueness
C)Transparency
D)Translucence





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