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WorksheetsScience
Total questions: 40
Worksheet time: 3hrs 20mins
Name
Class
Date
1.
Using the chart below of the Mohs Hardness Scale, answer the following question. A certain mineral sample cannot scratch apatite, but apatite can scratch the sample. Which of the following is most likely the mineral’s hardness?
a)
4
b)
6
c)
8
d)
10
2.
Information on several minerals is given in this table. If one were to observe samples of the minerals from the table, which two would appear similar in color, but could be distinguished, one from the other, using a streak test?
a)
Hematite and Stantinite
b)
Chalcopyrite and Platinum
c)
Acanthite and Stantinite
d)
Chalcopyrite and Biotite
3.
The table provides information on four minerals. A mineral sample has a metallic luster, is black in color, and has a hardness of 6. Which of the minerals in the table is a reasonable identification for this mineral sample?
a)
Pyrite
b)
Graphite
c)
Hematite
d)
Calcite
4.
This table provides information on two minerals. Which property would allow a geologist to distinguish a sample of feldspar from rose quartz?
a)
Color
b)
luster
c)
hardness
d)
streak
5.
The table provides information on both pyrite and gold. Pyrite is sometimes confused with gold. Some of the properties listed could help someone distinguish between pyrite and gold. Gold will be the only mineral that has which of the following properties?
a)
Yellow color
b)
Metallic luster
c)
Hardness of 3
d)
Black streak
6.
Physical properties of minerals such as color, hardness, luster, and streak are used to determine what about a mineral?
a)
Identity
b)
Mass
c)
Age
d)
Location
7.
Scientists test for the hardness of a mineral by doing which of the following?
a)
Measuring the mass of the mineral, and comparing it against other minerals
b)
Observing how light reflects off the mineral and how the mineral looks as a result
c)
Observing the color of a mineral and comparing it against other minerals
d)
Scratching the mineral against other substances of known hardness
8.
One test of a mineral is the streak test in which what property is determined?
a)
The color of powder left behind when the mineral is rubbed on a surface
b)
The amount of pore space in the mineral as measured by submerging it in water
c)
The conductivity of a mineral, determined by attaching it to an electric circuit
d)
The wavelength of light that are refracted when light passes through the mineral
9.
Which of the following best describes luster?
a)
The mass of an object
b)
The way light reflects off an object
c)
The texture of an object
d)
The density of an object
10.
What is the color of a mineral in powdered form called?
a)
Gas
b)
Fracture
c)
Streak
d)
Liquid
11.
The hardest known mineral on the Mohs Hardness Scale is:
a)
Fluorite
b)
Sypsum
c)
Topaz
d)
Diamond
12.
A naturally formed, inorganic solid that has a crystalline structure is a
a)
Sulfide
b)
Sulfate
c)
Mineral
d)
Element
13.
What is the softest mineral on the Mohs Hardness Scale?
a)
Diamond
b)
Gypsum
c)
Topaz
d)
Talc
14.
Which of the following properties does the Mohs scale measure?
a)
Luster
b)
Hardness
c)
Density
d)
Streak
15.
What mineral is used for pencils?
a)
Graphite
b)
Galena
c)
Magnetite
d)
Quartz
16.
Which mineral property is being shown here?
a)
luster
b)
hardness
c)
streak
17.
How much a mineral resists scratching is
a)
Streak
b)
Fracture
c)
Hardness
d)
Cleavage
18.
The least useful property when identifying minerals is
a)
Streak
b)
Luster
c)
Color
19.
Why is coal not a mineral?
a)
It is not living (inorganic)
b)
It has plant life in it (organic)
20.
What is the scale that is used to indicate hardness of a mineral?
a)
Red Scale
b)
Moh's scale
c)
Einstein Scale
d)
Fracture Scale
21.
Which of these minerals is softer than a penny?
a)
Topaz
b)
Corundum
c)
Calcite
d)
Orthoclase
22.
You are in California playing around in a stream when you come across a substance that appears to be gold. Which test would be the most inaccurate in determining if it is gold?
a)
color
b)
streak
c)
hardness
d)
density
23.
A mineral is a living object
a)
True
b)
False
24.
Which mineral would scratch calcite but not scratch apatite?
a)
fluorite
b)
gypsum
c)
talc
d)
topaz
25.
Can a penny scratch fluorite?
a)
Yes
b)
No
26.
What can scratch Talc?
a)
Gypsum
b)
Diamond
c)
Quartz
d)
All of them
27.
Which mineral could scratch topaz (hardness 8)?
a)
Talc (hardness 1)
b)
Apatite (hardness 5)
c)
Quartz (harness 7)
d)
Corundum (hardness 9)
28.
Whether or not a mineral will float in water is based on its _________.
a)
Luster
b)
Hardness
c)
Cleavage
d)
Density
29.
Characteristics that can be observed or measured.
a)
physical properties
b)
density
c)
luster
d)
breakage
30.
When determining which minerals will scratch other minerals, you would need to refer to the:
a)
Periodic Table of Elements
b)
Rocks Guide Book
c)
Moh's Hardness Scale
d)
Richter Scale
31.
Which indicator would not be good as the only indicator when identifying a mineral?
a)
Color
b)
Breaking Pattern
c)
Specific Gravity
d)
Hardness
32.
A solid material that is made up of one or more minerals is a __________.
a)
rock
b)
mineral
c)
streak
d)
luster
33.
_____________________ means that the mineral was formed by nature, not by a human or machine
a)
Naturally Occurring
b)
Inorganic Processes
c)
Solid
d)
Crystal Shape
34.
What does inorganic mean?
a)
Something that is living
b)
Something that is dead, but was once living
c)
Something that was never living
35.
Which of the following must be true for a substance to be considered a mineral?
a)
It must be organic
b)
It must be glassy
c)
It must be a gem
d)
It must be naturally occurring
36.
The ability of a mineral to resist scratching is called
a)
streak
b)
fracture
c)
hardness
d)
cleavage
37.
Hardness is a property that helps identify minerals. Scientists use a scale of 1-10 to show the hardness of a mineral. What number would be given to the hardest?
a)
1
b)
10
c)
5
d)
7
38.
If you drag a mineral across a streak plate and notice what color the streak is you are doing the ___________test.
a)
streak
b)
luster
c)
cleavage
d)
fracture
39.
A ________ is a naturally occurring, inorganic, solid that can have crystal structure and definite chemical composition.
a)
mineral
b)
rock
c)
crystal
d)
fluorite
40.
equal to mass divided by volume
a)
density
b)
crystal structure
c)
mineral
d)
color
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