How Minerals Form Answers

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1
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Magma that cools very slowly deep beneath the surface forms minerals with what type of crystals?

A
small
B
large
C
very hard
D
cubic
2
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Minerals can form deep inside Earth’s crust by

A
cleavage and fracture.
B
friction along faults.
C
crystallization of melted materials.
D
evaporation of ancient seas.
4

Please select the word from the list that best fits the definition

A
geode
B
vein
C
evaporation
D
crystallization
E
magma
F
lava
G
solution
H
gem
5

Which is a factor that affects the size of mineral crystals formed in magma?

A
rate of cooling
B
fluorescence
C
evaporation
D
elements dissolved in hot water
6

Larger crystals will be formed when molten rock cools more slowly.

A
T
B
F
7

Which of the following is a way that minerals are formed?

A
Minerals are left behind when super-heated water within the Earth cools.
B
Minerals are left behind when water evaporates.
C
Minerals are created through the destruction of other matter.
D
Both A and B are correct
9

Please select the word from the list that best fits the definition

A
geode
B
vein
C
evaporation
D
crystallization
E
magma
F
lava
G
solution
H
gem
10

Please select the word from the list that best fits the definition

A
geode
B
vein
C
evaporation
D
crystallization
E
magma
F
lava
G
solution
H
gem

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