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WorksheetsScience grade 7 Quiz 2
Total questions: 20
Worksheet time: 20mins
Name
Class
Date
1.
Hardness:
a)
It’s the ability of some minerals to break in geometric shapes
b)
It's the stripe colour of a mineral
c)
It's a measure of a mineral’s resistance to being scratched
d)
None of the answers is correct
2.
What is the mineral of the picture?
a)
Sulphur
b)
Malachite
c)
Pyrite
d)
Gypsum
3.
The color of a mineral in powder form is called the mineral's
a)
hardness
b)
specific gravity
c)
luster
d)
streak
4.
How light reflects off of a mineral is called the mineral's
a)
luster
b)
streak
c)
cleavage
d)
fracture
5.
Why is coal not a mineral?
a)
It's not a solid
b)
It is man-made
c)
It is not inorganic
d)
It is made of carbon
6.
The following image shows what mineral property?
a)
Hardness
b)
Streak
c)
Cleavage
d)
Density
7.
Diamond has a hardness of ___ on Mohs Hardness Scale.
a)
1
b)
5
c)
8
d)
10
8.
Dull, silky, waxy, pearly, and earthy are terms that best describe which property of minerals?
a)
luster
b)
color
c)
streak
d)
cleavage
9.
By definition, a mineral has which of the following characteristic(s)?
a)
definite chemical composition
b)
crystal structure
c)
naturally occuring
d)
all of the above
10.
How do you test the hardness of a mineral?
a)
Throw it against a wall
b)
Step on it
c)
Scratch Test
d)
Kick it until it breaks
11.
What mineral is used for pencils?
a)
Graphite
b)
Galena
c)
Magnetite
d)
Quartz
12.
What mineral is salt?
a)
quartz
b)
sulfur
c)
halite
d)
calcite
13.
A naturally occurring, inorganic solid with a crystal structure and a definite chemical composition is referring to
a)
density
b)
streak
c)
mineral
d)
non silicate mineral
14.
The copper in a penny is a mineral. What is the luster for copper? Why?
a)
The luster for copper is non-metallic because it's not a metal
b)
The luster for copper is metallic because copper's a metal
c)
The luster for copper is opaque
d)
The luster for copper is non-metallic because it is metal.
15.
A shiny material is described as having a __________________ luster
a)
metallic
b)
nonmetallic
16.
Which mineral property is being shown here?
a)
luster
b)
cleavage
c)
streak
d)
fracture
17.
Inorganic means not made of living things.
a)
True
b)
False
18.
A ranking of a minerals from softest to hardest
a)
streak test
b)
luster test
c)
Mohs hardness scale
d)
fracture
19.
Minerals are the building blocks of _____________.
a)
elements
b)
atoms
c)
fossils
d)
rocks
20.
Non-metallic minerals lack the properties of metallic minerals.
a)
True
b)
False
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