Worksheets6th Grade Minerals Unit
Total questions: 28
Worksheet time: 14mins
Name
Class
Date
1.
Which property of minerals does the photo represent?
a)
fracture
b)
streak
c)
luster
d)
cleavage
2.
If a mineral can scratch topaz what is it's hardness range?
a)
8 - 10
b)
7 - 1
c)
8
d)
unknown
3.
Which mineral property is being shown here?
a)
luster
b)
hardness
c)
cleavage
d)
streak
4.
Which of the following is NOT a characteristic of a mineral?
a)
streak
b)
crystal structure
c)
inorganic
d)
chemical composition
5.
The color of the powdered form of a mineral found by rubbing a mineral against a white tile.
a)
Luster
b)
Cleavage
c)
Streak
d)
Fracture
6.
The tendency for a mineral to split along specific planes of weakness to form, smooth flat surfaces.
a)
Cleavage
b)
Fracture
c)
Crystallization
d)
Fracture
7.
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
8.
If a mineral does not break smoothly, and leaves an uneven surface:
a)
cleavage
b)
fracture
c)
hardness
d)
inorganic
9.
A naturally occurring, inorganic solid which has a definite crystalline structure
a)
Mineral
b)
Element
c)
Compound
d)
Rock
10.
What term refers to the regular, geometric shapes that occur in many minerals?
a)
fracture
b)
crystal
c)
composition
d)
none of the above
11.
By definition, a mineral has which of the following characteristic(s)?
a)
chemical composition
b)
crystalline structure
c)
natural
d)
all of the above
12.
Dull, silky, waxy, pearly, and earthy are terms that best describe which property of minerals?
a)
luster
b)
color
c)
streak
d)
cleavage
13.
What is a narrow channel or slab of a mineral that is sharply different than surrounding rock?
a)
Fracture
b)
Vein
c)
Crystal
d)
Ore
14.
The purpose of hearing iron ore to a very high temperature in a blast furnace is...
a)
To add hematite to the final product.
b)
To eliminate one kind of iron from the iron ore
c)
To heat the iron so that it separates from the other elements
d)
To cool down the hot furnace
15.
Hard colorful minerals that have a brilliant or glassy luster are
a)
Crystals
b)
Metals
c)
Ores
d)
Gemstones
16.
Steel is an example of a useful
a)
Alloy
b)
Ore
c)
Gemstone
d)
Crystal
17.
The size of a mineral's crystals depends on which of the following?
a)
The mineral's crystal group
b)
The solution from which the mineral formed
c)
The smelting process in which magma formed
d)
The rate of cooling of the magma or solution from which the mineral formed
18.
A mineral is a single ________ or combination of elements that are called ________ and compound minerals
a)
metal; gemstone
b)
metal; ore
c)
element; single
d)
element; pure
19.
A mineral is a substance that meets 5 criteria:
a)
solid, naturally occurring, cleavage fracture, inorganic, definite chemical compound
b)
solid, naturally occurring, definite chemical compound, crystal structure, inorganic
c)
streak, naturally occurring, definite chemical compound, crystal structure, inorganic
d)
solid, naturally occurring, definite chemical compound, color, inorganic
20.
Two ways to test a mineral for hardness:
a)
fingernail & steel file
b)
penny & nail file
c)
penny & tooth
d)
fingernail & dime
21.
The softest mineral is...
a)
talc
b)
calcite
c)
galena
d)
quartz
22.
There are 3 ways to mine minerals & they are open pit, shaft & strip
a)
True
b)
False
23.
The color of a mineral is the most reliable test.
a)
True
b)
False
24.
The chemical makeup of a mineral is definite and never changes.
a)
True
b)
False
25.
A shaft mine is used when ore deposits occur in veins.
a)
True
b)
False
26.
Minerals are only found in living objects
a)
True
b)
False
27.
A gemstone is cut and polished and ready to be made into jewelry.
a)
True
b)
False
28.
To find density you need the minerals mass and surface area.
a)
True
b)
False
100 %
