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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
formed from biological sources
B
solid
C
naturally occurring
D
definite chemical composition
2) Which word means that a mineral will split smoothly creating flat surfaces?
A
cleavage
B
fracture
C
hardness
D
luster
3) How a mineral resists scratching determines its...
A
fracture
B
hardness
C
luster
D
streak
4) On the Mohs scale, 1 represents...
A
the number of crystals
B
hard minerals
C
intermediate minerals
D
soft minerals
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
streak
B
luster
C
hardness
D
crystal structure
7) Formed in the mantle, molten material called _________ cools to form minerals below Earth’s surface.
A
granite
B
magma
C
lava
D
basalt
8) Minerals that form irregular, jagged surfaces when they break apart have a property called...
A
cleavage
B
fracture
C
hardness
D
crystal structure
9) Sugar is not a mineral because...
A
it has a crystal structure.
B
it's a solid.
C
it's from sugarcane, a plant.
D
you can eat it.
10) Density, luster, streak, and hardness...
A
are properties of minerals.
B
are used to identify the layers of the Earth, not minerals.
C
are used to identify rocks, not minerals.
D
are characteristics of a mineral.
*select an answer for all questions
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