Download Minerals - Round 2 - Yonkers Public Schools

Name:__________________________
Minerals and more minerals
1. The diagram below shows how a sample of the mineral mica breaks when hit
with a rock hammer.
6. The diagrams below show the crystal shapes of two minerals.
This mineral breaks in smooth, flat surfaces because it
A)
B)
C)
D)
is very hard
is very dense
contains large amounts of iron
has a regular arrangement of atoms
Quartz and halite have different crystal shapes primarily because
Base your answers to questions 2 through 5 on the data table below.
A)
B)
C)
D)
light reflects from crystal surfaces
energy is released during crystallization
of impurities that produce surface variations
of the internal arrangement of the atoms
7. Which mineral is mined for its iron content?
A) hematite
B) fluorite
C) galena
D) talc
8. Differences in hardness between minerals are most likely caused by the
A)
B)
C)
D)
internal arrangement of atoms
external arrangement of flat surfaces
number of pointed edges
member of cleavage planes
9. Which mineral can be found in all samples of rhyolite and andesite?
A) pyroxene
C) biotite
B) quartz
D) potassium feldspar
10. Which mineral is composed of Calcium and Fluorine?
A) Amphiboles
C) Hematite
B) Calcite
D) Fluorite
11. A mineral's physical characteristics, such as hardness, cleavage, and luster, are
dependent on the
2. Moh's scale would be most useful for
A)
B)
C)
D)
A) size of the mineral sample
B) age of the mineral sample
C) method by which the mineral sample was
broken
D) internal arrangement of the mineral's atoms
finding the mass of a mineral sample
finding the density of a mineral sample
identifying a mineral sample
counting the number of cleavage surfaces of a mineral sample
3. The durable gemstones ruby and sapphire are valuable due to their color and
hardness. These gemstones would most likely be located on Moh's scale at the
hardness level of
A) 1
B) 9
C) 3
12. In which group are all the earth materials classified as minerals?
A)
B)
C)
D)
D) 4
4. Moh's scale arranges minerals according to their relative
A) resistance to breaking
C) specific heat
B) resistance to scratching
D) specific gravity
13. Which mineral is commonly mined as a source of the element lead (Pb)?
A) galena
5. Which statement is best supported by the data shown?
A)
B)
C)
D)
feldspar, quartz, and olivine
granite, rhyolite, and basalt
cobbles, pebbles, and silt
conglomerate, sandstone, and shale
An iron nail contains fluorite.
A streak plate is composed of quartz.
Topaz is harder than a steel file.
Apatite is softer than a copper penny.
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B) quartz
C) magnetite D) gypsum
Name:__________________________
Minerals and more minerals
14. The data table below gives characteristics of the gemstone peridot.
17. The cleavage or fracture of a mineral is normally determined by the mineral's
A)
B)
C)
D)
density
oxygen content
internal arrangement of atoms
position among surrounding minerals
18. The photograph below shows a broken piece of the mineral calcite.
Peridot is a form of the mineral
A) pyrite
The calcite breaks in smooth, flat surfaces because calcite
B) pyroxene C) olivine
D) garnet
A)
B)
C)
D)
15. The diagram below shows the index minerals of Mohs hardness scale compared
with the hardness of some common objects.
is very dense
is very soft
contains certain impurities
has a regular arrangement of atoms
19. The diagrams below illustrate a specific property of certain minerals.
This property is most closely related to the
A)
B)
C)
D)
arrangement of atoms in the mineral
impurities found in the mineral
softness of the mineral
density of the mineral
20. Which mineral will scratch fluorite, galena, and pyroxene?
A) graphite
B) calcite
C) olivine
D) dolomite
21. The relative hardness of a mineral can best be tested by
A)
B)
C)
D)
scratching the mineral across a glass plate
squeezing the mineral with calibrated pliers
determining the density of the mineral
breaking the mineral with a hammer
22. What is the best way to determine if a mineral sample is calcite or quartz?
A)
B)
C)
D)
Which statement is best supported by the diagram?
A)
B)
C)
D)
A fingernail will scratch calcite but not gypsum.
Calcite will be scratched by a copper penny.
The mineral apatite will scratch topaz.
A steel file has a hardness of about 7.5.
16. Which material is made mostly of the mineral quartz?
A) sulfuric acid
C) plaster of paris
B) pencil lead
D) window glass
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Observe the color of the mineral.
Place the mineral near a magnet.
Place a drop of acid on the mineral.
Measure the mass of the mineral.
Name:__________________________
Minerals and more minerals
23. Base your answer to the following question on Moh's mineral hardness scale
and on the chart below showing the approximate hardness of some common
objects.
Base your answers to questions 29 and 30 on the diagram below, which shows
the results of three different physical tests, A, B, and C, that were performed
on a mineral.
The hardness of these minerals is most closely related to the
A)
B)
C)
D)
mineral's color
mineral's abundance in nature
amount of iron the mineral contains
internal arrangement of the mineral's atoms
24. Which is an accurate statement about rocks?
A)
B)
C)
D)
Rocks are located only in continental areas of the Earth.
Rocks seldom undergo change.
Most rocks contain fossils.
Most rocks have several minerals in common.
29. The luster of this mineral could be determined by
A)
B)
C)
D)
25. A human fingernail has a hardness of approximately 2.5. Which two minerals
are softer than a human fingernail?
A) calcite and halite
C) graphite and talc
B) sulfur and fluorite
D) pyrite and magnetite
30. Which mineral was tested?
26. Two minerals made of pure carbon are diamond and graphite. Which statement
best explains why diamond is so much more resistant to scratching than
graphite?
A) amphibole
C) galena
A)
B)
C)
D)
27. Which characteristic do samples of the mineral pyroxene normally exhibit?
B) bubbling in hydrochloric acid
D) hardness of 5 to 6
density and color
texture and color of streak
type of cleavage and hardness
internal arrangement of atoms
32. Which mineral is commonly used as a food additive?
A) calcite
B) talc
C) halite
D) fluorite
33. Which mineral has a metallic luster, a black streak, and is an ore of iron?
28. How are the minerals biotite mica and muscovite mica different?
A) Biotite mica is colorless, but muscovite mica is not.
B) Biotite mica contains iron and/or magnesium, but muscovite mica
does not.
C) Muscovite mica scratches quartz, but biotite mica does not.
D) Muscovite mica cleaves into thin sheets, but biotite mica does not.
B) quartz
D) graphite
31. The physical properties of minerals result from their
A) The atoms are lighter in graphite than in diamond.
B) The atoms are heavier in graphite than in diamond.
C) The atoms are bonded together more strongly in diamond than in
graphite.
D) The atoms are smaller in graphite than in diamond.
A) yellow to amber color
C) cleaves at 56° and 124°
using an electronic balance
using a graduated cylinder
observing how light reflects from the surface of the mineral
observing what happens when acid is placed on the mineral
A) galena
C) pyroxene
B) magnetite
D) graphite
34. Although diamonds and graphite both consist of the element carbon, their
physical properties are very different. The most likely explanation for these
differences is that
A) the internal arrangement of carbon atoms is different in each
mineral
B) graphite contains impurities not found in diamonds
C) graphite contains radioactive carbon-14 but diamonds do not
D) diamonds contain silicate tetrahedra but graphite does not
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Name:__________________________
Minerals and more minerals
35. The diagram below shows a broken crystal of the mineral halite
The shape of the halite crystal is a direct result of the
A)
B)
C)
D)
internal arrangement of the atoms in the crystal
emperature at which the crystal formed
type of surface on which the crystal formed
stream erosion that changed the crystal
36. Although more than 2,000 minerals have been identified, 90% of Earth's
lithosphere is composed of the 12 minerals listed below.
The best explanation for this fact is that most rocks
A)
B)
C)
D)
are monomineralic
are composed only of recrystallized minerals
have a number of minerals in common
have a 10% nonmineral composition
37. Base your answer to the following question on
the two tables below and on your knowledge of Earth science. Table 1 shows the composition, hardness, and average density of four minerals often
used as gemstones. Table 2 lists the minerals in Moh's Scale of Hardness from 1 (softest) to 10 (hardest).
The hardness and density of each gemstone is based primarily on the gemstone’s
A) internal arrangement of atoms
C) oxygen content
B) geologic time of formation
D) natural abundance
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Name:__________________________
Minerals and more minerals
38. The internal atomic structure of a mineral most likely determines the mineral's
A)
B)
C)
D)
39. A mineral’s crystal shape and cleavage are a direct result of the mineral’s
color, streak, and age
origin, exposure, and fracture
size, location, and luster
hardness, cleavage, and crystal shape
A)
B)
C)
D)
hardness
abundance in nature
arrangement of atoms
exposure to the hydrosphere and atmosphere
40. Which property is most useful in mineral identification?
A) hardness B) color
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C) size
D) texture
Earth Science[minerals[5/12/2016]]- Eduware Classification
9.THE FORMATION OF ROCKS (40)
9.A.Minerals (40)
9.A.ii.Characteristics (34)
9.A.ii.c.Structure (14)
9.A.ii.a.Physical and Chemical Properties (17)
9.A.ii.b.Chemical Composition (3)
9.A.i.Composition (6)
Total Questions: 40
Answer Key
minerals
1.
D
2.
C
3.
B
4.
B
5.
C
6.
D
7.
A
8.
A
9.
C
10.
D
11.
D
12.
A
13.
A
14.
C
15.
B
16.
D
17.
C
18.
D
19.
A
20.
C
21.
A
22.
C
23.
D
24.
D
25.
C
26.
C
27.
D
28.
B
29.
C
30.
A
31.
D
32.
C
33.
B
34.
A
35.
A
36.
C
37.
A
38.
D
39.
C
40.
A
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