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WorksheetsICP Ch. 23 Review Part 1
Total questions: 18
Worksheet time: 9mins
Name
Class
Date
1.
The two most abundant elements in Earth's crust are...
a)
quartz and feldspar.
b)
silicon and oxygen.
c)
silicates and carbonates.
d)
oxygen and aluminum.
2.
The most common mineral in Earth's crust is ________ and the second most common mineral is ___________.
a)
olivine; feldspar
b)
quartz; feldspar
c)
feldspar; quartz
d)
silicate; carbonate
3.
Based on its abundance in Earth's crust, most rocks contain a mineral composed of the elements oxygen and _______________.
a)
sulfur
b)
iron
c)
silicon
d)
carbon
4.
All minerals are ________________.
a)
crystals
b)
crystalline solids
c)
organic
d)
synthetic
5.
The basic building block of all silicate minerals is the ______________.
a)
silicate triangular structure
b)
silicate cleavage direction
c)
crystalline silicate sulfur
d)
silicate tetrahedron
6.
Minerals are composed of ____________.
a)
common types of rocks
b)
elements joined as compounds
c)
homogeneous solids
d)
silicon compounds
7.
The first minerals to crystallize are those with the
a)
higher melting point
b)
lower melting point
8.
The last minerals to crystallize are those with the
a)
lower melting point.
b)
weakest bonds.
c)
strongest bonds.
d)
higher melting point.
9.
Minerals are formed by the process of
a)
silica enrichment.
b)
magma differentiation.
c)
crystallization.
d)
partial melting.
10.
Color is not a reliable means for mineral identification because
a)
a mineral's powdered color is different than its solid color.
b)
minerals come in a variety of colors, and chemical impurities in the mineral can affect color.
c)
there are so many colored minerals.
d)
minerals can weather and change color.
11.
A mineral's hardness is dependent on the
a)
strength of its ionization.
b)
size of its atoms; large atoms are harder than small atoms.
c)
strength of its chemical bonds.
d)
geometric arrangement of atoms; sheet structured tetrahedra are harder than chained tetrahedra.
12.
The property of a mineral to break along planes of weakness is referred to as
a)
cleavage.
b)
bond strength.
c)
fracture.
d)
hardness.
13.
Minerals that have strong bonds between flat crystal surfaces tend to
a)
cleave more easily.
b)
have a well-developed streak.
c)
show well-developed cleavage.
d)
show poor cleavage.
14.
Cleavage is the tendency of a mineral to break along planes of weakness. The planes of weakness are a function of crystal form and
a)
chemical bond.
b)
crystal size.
c)
hardness.
d)
symmetry.
15.
The physical property of cleavage, the tendency of certain minerals to split along certain planar surfaces, is conspicuous in
a)
quartz.
b)
mica.
c)
chalk.
d)
sapphire.
16.
Which of the following properties most clearly reflects the internal arrangement of atoms in a crystalline material?
a)
luster
b)
cleavage
c)
color
d)
specific gravity
17.
Moh's scale is defined on the basis of minerals that have different
a)
shapes.
b)
cleavage directions.
c)
hardnesses.
d)
colors.
18.
The two most common igneous rocks are basalt and granite. Basalt is commonly found ____________ and granite is found _________.
a)
on the ocean floor; on both the ocean floor and on continental land
b)
on the continents; on the ocean floor
c)
on the ocean floor; on the continents
d)
on both the ocean flor and continental land; only on the continents
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