Glencoe Science Level Green

Chapter 2: Minerals

Minerals

1
Glass is not a crystal because __________.
A)it fractures
B)it is a solid
C)it is not crystalline
D)it is transparent
2
Streak measures the color of a mineral's __________.
A)surface
B)crystals
C)powder
D)atoms
3
What is the easiest way to tell if a sample is gold or pyrite?
A)appearance
B)hardness
C)luster
D)streak
4
Large crystals can form when magma __________.
A)cools quickly
B)melts
C)cools slowly
D)erupts from a volcano
5
You find a red gemstone that is from Sri Lanka. What gem is this most likely?
A)sapphire
B)emerald
C)ruby spinel
D)topaz
6
Why are gems valuable?
A)They are minerals.
B)They are hard.
C)They are rare.
D)They are crystals.
7
Which is an industrial use of diamonds?
A)in jewelry
B)in watches
C)as cutting tools
D)in lasers
8
Titanium is useful because it has __________.
A)a low Mohs number
B)a colorless streak
C)a high density and low durability
D)a low density and high durability
9
Salt from evaporated seawater has been formed from __________.
A)volcanoes
B)magma
C)artificial means
D)solution
10
Some gems have __________.
A)no color
B)a crystalline structure
C)a low Mohs number
D)fracture
11
The Hope diamond, which is now at the Smithsonian, is said to __________.
A)bring its owner good fortune
B)be an impure diamond
C)bring its owner bad luck
D)be one of the smallest diamonds in the world
12
All of the following are some other property used to identify minerals except __________.
A)magnetism
B)boiling point
C)the ability for the mineral to create a double image
D)reaction to hydrochloric acid
13
An inorganic crystalline solid is formed in a lab. Why is it not a mineral?
A)It is not naturally occurring.
B)It is a solid.
C)It is inorganic.
D)It is a crystal.
14
Common physical properties of minerals include all of the following except __________.
A)appearance
B)hardness
C)flammability
D)specific gravity
15
Whether a mineral has cleavage or fracture is determined by the __________.
A)arrangement of its atoms
B)shape of its surface
C)specific gravity
D)hardness of the mineral
16
The hardest mineral, with a 10 on the Mohs scale, is __________.
A)talc
B)quartz
C)iron
D)diamond
17
Which is an example of a mineral with a nonmetallic luster?
A)graphite
B)gold
C)quartz
D)pyrite
18
Where do most useful minerals occur in nature?
A)in ores
B)in seawater
C)in freshwater
D)in volcanoes
19
A mineral that is hard __________.
A)will not break
B)is hard to scratch
C)will not shatter
D)can be scratched with your fingernail
20
Metallic elements dissolved in fluids form in __________.
A)magma
B)ores
C)ponds
D)veins
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