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Minerals
Test Description: Characteristics and properties of minerals
Instructions: Answer all questions to get your test result.
1) Which is NOT a characteristic of minerals?
A
naturally occurring
B
formed from biological sources
C
definite chemical composition
D
solid
2) Which word means that a mineral will split smoothly creating flat surfaces?
A
fracture
B
luster
C
cleavage
D
hardness
3) How a mineral resists scratching determines its...
A
luster
B
fracture
C
streak
D
hardness
4) On the Mohs scale, 1 represents...
A
soft minerals
B
intermediate minerals
C
hard minerals
D
the number of crystals
5) If glass has a hardness of 5.5 and apatite has a hardness of 5, then...
A
They will scratch each other.
B
They will both scratch diamonds.
C
The glass will scratch apatite.
D
Apatite will scratch the glass.
6) The color of a mineral's powder is known as...
A
crystal structure
B
hardness
C
luster
D
streak
7) Formed in the mantle, molten material called _________ cools to form minerals below Earth’s surface.
A
granite
B
basalt
C
magma
D
lava
8) Minerals that form irregular, jagged surfaces when they break apart have a property called...
A
hardness
B
cleavage
C
fracture
D
crystal structure
9) Sugar is not a mineral because...
A
it has a crystal structure.
B
you can eat it.
C
it's a solid.
D
it's from sugarcane, a plant.
10) Density, luster, streak, and hardness...
A
are used to identify rocks, not minerals.
B
are characteristics of a mineral.
C
are properties of minerals.
D
are used to identify the layers of the Earth, not minerals.
*select an answer for all questions
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