Minerals Answers

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1
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Which common item is made from copper?

A
soap
B
coins
C
baby powder
D
colored pencils
2
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Which statement describes one feature of a mineral’s definite chemical composition?

A
It always occurs in pure form.
B
It always contains certain elements.
C
It cannot form from living or once-living materials.
D
It cannot contain atoms from more than one element.
3

Which is one way that minerals crystallize from materials dissolved in water?

A
from the air
B
from solutions that evaporate
C
from water solutions that are heated
D
from the soil
4

Which example describes a use for gemstones?

A
fabrics
B
plastics
C
drill bits
D
paper clips
6

Which phrase refers to the repeating pattern of a mineral’s particles?

A
solid structure
B
crystal structure
C
organic structure
D
inorganic structure
7

These minerals were formed through crystallization of molten materials.

Question illustration
A
The mineral on the left formed from lava.
B
The mineral on the right formed from magma.
C
The mineral on the left has smaller crystals than the mineral on the right.
D
The mineral on the left cooled more slowly than the mineral on the right.
8

Which characteristic involves cleavage and fracture?

A
the way a mineral breaks apart
B
the color of a mineral’s powder
C
the light that is reflected from a mineral’s surface
D
the number and angle of crystal faces of a mineral
9

Which characteristic is expected of a mineral that crystallizes from lava at Earth’s surface?

A
large crystals
B
small crystals
C
magnetic crystals
D
hexagonal crystals
10

A mineral forms from water at the edge of a lake.Which statement best describes this mineral?

A
The mineral formed from lava.
B
The mineral formed through evaporation.
C
The mineral formed when hot water cooled.
D
The mineral crystallized from magma.
11

Which statement describes streak?

A
Streak refers to the way light is reflected by a mineral.
B
Streak is the least accurate way to identify minerals.
C
Streak is tested by scraping a mineral across a streak plate.
D
The color of the streak is the same as the color of the mineral.
12

Which characteristic involves cleavage and fracture?

A
the way a mineral breaks apart
B
the color of a mineral’s powder
C
the light that is reflected from a mineral’s surface
D
the number and angle of crystal faces of a mineral
14

A mineral forms from water at the edge of a lake.Which statement best describes this mineral?

A
The mineral formed from lava.
B
The mineral formed through evaporation.
C
The mineral formed when hot water cooled.
D
The mineral crystallized from magma.
15

Which example describes a use for gemstones?

A
fabrics
B
plastics
C
drill bits
D
paper clips
16

Which are considered two of the special properties that are used to identify certain minerals?

A
hardness and luster
B
magnetism and fluorescence
C
streak and color
D
cleavage and fracture
17

Which property indicates how light is reflected from a mineral’s surface?

A
cleavage
B
density
C
luster
D
streak
18

Which is one way that minerals crystallize from materials dissolved in water?

A
from the air
B
from solutions that evaporate
C
from water solutions that are heated
D
from the soil
19

These minerals were formed through crystallization of molten materials.

Question illustration
A
The mineral on the left formed from lava.
B
The mineral on the right formed from magma.
C
The mineral on the left has smaller crystals than the mineral on the right.
D
The mineral on the left cooled more slowly than the mineral on the right.
20

Which phrase refers to the repeating pattern of a mineral’s particles?

A
solid structure
B
crystal structure
C
organic structure
D
inorganic structure

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