1. Which of the following is the definition for mineral ?
a
Any naturally-occurring chemical compound that does not contain carbon and has a crystalline
structure.
b
A naturally occurring geologic material that is an inorganic, crystalline solid and has a definite
chemical composition.
c
Inorganic, solid, naturally occurring chemical compounds that do not contain carbon.
d
A pure, solid, chemical substance formed by natural processes.
2. Your book states that crystals are...crystalline material. That's kinda like saying water is made
of water molecules. Which of the following is the best summary of what a crystal is, based upon
the discussion in the book?
a
Atoms bonded together to form a solid, rigid material with a definite shape.
b
Atoms arranged into a closely-packed structure. The crystal shape depends on the packing
arrangement.
c
Atoms bonded together in a repeating, 3-dimensional geometric pattern. The shape depends on
the elements that are bonded together.
d
None of these defines what a crystal is.
3. Which of the following best describes what mineral cleavage is?
a
Zones of weakness in a mineral where crystal growth was interrupted.
b
Zones of weakness along crystal growth lines.
c
Irregular breaks in a crystal.
d
Planes of weakness in a crystal lattice caused by the alignment of chemical bonds.
4. Select all of the ways a mineral can form:
Select 5 correct answer(s)
a
boiling liquid
b
diffusion within a solid
c
freezing liquid
d
pressure crystallization
e
crystallized by an organism
f
sublimation from a gas
g
precipitation from a liquid
5. Minerals can be dissolved in a liquid. This is called:
a
a compound.
b
a solute.
c
a mixture.
d
a solution.
6. Minerals precipitate from a solution when:
a
The solvent becomes oversaturated with the solute.
b
The solution becomes oversaturated with solvent.
c
The solvent is undersaturated.
d
The solute is undersaturated in the solvent.
7. Your text discusses anhedral vs. euhedral crystals. Considering this, which of the following
would be a true (and useful) fact about crystal shapes in a rock?
a
Spaces between large euhedral crystals filled with anhedral crystals = anhedral crystals formed
from the last remaining liquid.
b
All are possible!
c
Large anhedral crystals overgrown with smaller euhedral crystals = anhedral crystals formed first
and were probably once euhedral.
d
Euhedral crystals surrounded by anhedral crystals = euhedral crystals formed first.
8. Mineral hardness is measured on Mohs hardness scale. A mineral with a hardness of 6 can:
a
scratch any mineral with a hardness of 7, 8, 9, or 10.
b
only be scratched by a mineral with a hardness of 10.
c
be scratched by any mineral with hardness of 5, 4, 3, 2, or 1.
d
scratch any mineral with hardness of 5, 4, 3, 2, or 1.
9. Which physical property is the least reliable for identifying a mineral?
a
Color- because color can vary if there are elements substituting places in the mineral's crystal
lattice.
b
Crystal shape- because minerals can h.
Earth Science Worksheet Chapter 21. Which of the following is .docxelishaoatway
Earth Science Worksheet Chapter 2
1. Which of the following is a mineral as defined by a geologist?
a) Boulder
b) Concrete
c) Sugar
d) Salt
e) Water
2. Why are boulders not a mineral?
a) They are not naturally occurring
b) They are organic
c) They are not solid
d) They do not have an orderly crystalline structure
e) They do not have a well-defined chemical
composition
3. What determines the physical and chemical properties of an atom?
a)The type of bonds
b)The number of electrons
c)The number of protons
d)The number of neutrons
e)The isotopic ratio
4. One significant difference between an ionic bond, where electrons are taken from
one atom and added to another atom and a covalent or metallic bond where electrons
are shared is ___________.
a)
ionic bonds are stronger than covalent or metallic bonds
b)
Ionic bonds produce ions but covalent and metallic bonds do not produce ions
c)
Ionic bonds make a material more malleable than covalent and metallic bonds
d)
Ionic bonds do not result in the attraction of oppositely charged atoms but covalent and metallic bonds do
5. What is the most abundant element found near the surface of Earth?
a)
Potassium
b)
Silicon
c)
Calcium
d)
Oxygen
e)
Hydrogen
6. What do the minerals gold, sulfur, and copper have in common?
a) Covalent bonds
b) They have the same density and hardness
c) They are each composed of a single element
d) They all transmit electricity easily because of their bonds
7. The silicon-oxygen tetrahedran, the most fundamental basis for forming minerals, contains:
a) Four oxygen atoms and one silicon atom
b) Four silicon atoms and one oxygen atom
c) Three silicon atoms and one oxygen atom
d) One silicon atom, one oxygen atom, one iron atom, and one magnesium atom
8. Which group does feldspar, one of the most common minerals near the surface of Earth,
belong to?
a) Carbonates
b) Oxides
c) Silicates
d) Evaporates
e) Sulfides
9. The definition of an ore deposit depends greatly on ___________ and ___________.
a) The presence of metallic bonds and concentration of the mineral
b) The presence of metallic bonds and the economics of recovering the mineral
c) The concentration of the mineral and the location of the deposit
d) The economics of recovering the mineral and the concentration of the deposit
10. The strong tendency of certain minerals to break along smooth,
parallel planes is known as_________.
a)
crystal form
b)
cracking luster
c)
streak
d)
cleavage
11. An atom’s mass number is 13 and its atomic number is 6. How many neutrons are in
its nucleus?
a)
7
b)
6
c)
13
d)
19
12. The ion at the center of a silicon-oxygen tetrahedron is surrounded by_____.
a) four sodium atoms
b) four oxygen atoms
c) six oxygen atoms
d) six sodium ions
13. Atoms of the same element, zinc for example, have the same number of ________.
a) neutrons in the outer nuclear shell
b) protons in the nucleus
c) electrons in the valence bond level
d) electrons in the nucleus
14. Wh.
Earth Science Worksheet Chapter 21. Which of the following is .docxelishaoatway
Earth Science Worksheet Chapter 2
1. Which of the following is a mineral as defined by a geologist?
a) Boulder
b) Concrete
c) Sugar
d) Salt
e) Water
2. Why are boulders not a mineral?
a) They are not naturally occurring
b) They are organic
c) They are not solid
d) They do not have an orderly crystalline structure
e) They do not have a well-defined chemical
composition
3. What determines the physical and chemical properties of an atom?
a)The type of bonds
b)The number of electrons
c)The number of protons
d)The number of neutrons
e)The isotopic ratio
4. One significant difference between an ionic bond, where electrons are taken from
one atom and added to another atom and a covalent or metallic bond where electrons
are shared is ___________.
a)
ionic bonds are stronger than covalent or metallic bonds
b)
Ionic bonds produce ions but covalent and metallic bonds do not produce ions
c)
Ionic bonds make a material more malleable than covalent and metallic bonds
d)
Ionic bonds do not result in the attraction of oppositely charged atoms but covalent and metallic bonds do
5. What is the most abundant element found near the surface of Earth?
a)
Potassium
b)
Silicon
c)
Calcium
d)
Oxygen
e)
Hydrogen
6. What do the minerals gold, sulfur, and copper have in common?
a) Covalent bonds
b) They have the same density and hardness
c) They are each composed of a single element
d) They all transmit electricity easily because of their bonds
7. The silicon-oxygen tetrahedran, the most fundamental basis for forming minerals, contains:
a) Four oxygen atoms and one silicon atom
b) Four silicon atoms and one oxygen atom
c) Three silicon atoms and one oxygen atom
d) One silicon atom, one oxygen atom, one iron atom, and one magnesium atom
8. Which group does feldspar, one of the most common minerals near the surface of Earth,
belong to?
a) Carbonates
b) Oxides
c) Silicates
d) Evaporates
e) Sulfides
9. The definition of an ore deposit depends greatly on ___________ and ___________.
a) The presence of metallic bonds and concentration of the mineral
b) The presence of metallic bonds and the economics of recovering the mineral
c) The concentration of the mineral and the location of the deposit
d) The economics of recovering the mineral and the concentration of the deposit
10. The strong tendency of certain minerals to break along smooth,
parallel planes is known as_________.
a)
crystal form
b)
cracking luster
c)
streak
d)
cleavage
11. An atom’s mass number is 13 and its atomic number is 6. How many neutrons are in
its nucleus?
a)
7
b)
6
c)
13
d)
19
12. The ion at the center of a silicon-oxygen tetrahedron is surrounded by_____.
a) four sodium atoms
b) four oxygen atoms
c) six oxygen atoms
d) six sodium ions
13. Atoms of the same element, zinc for example, have the same number of ________.
a) neutrons in the outer nuclear shell
b) protons in the nucleus
c) electrons in the valence bond level
d) electrons in the nucleus
14. Wh.
7- Oil and water resources are generally hosted in ___________ rocks-.docxKevinDjvMorgank
7. Oil and water resources are generally hosted in ___________ rocks.
a.
Organic
b.
Biochemical
c.
Volcanic
d.
Chemical
e.
Clastic
8. Shales, siltstones, and very fine-grained limestones are pretty similar in that the clast size is too fine to see with the naked eye. How can someone differentiate them/identify one from the others? Select all that apply.
a.
Limestone will always have fossils visible
b.
Limestone will react with acid
c.
You can identify the limestone, but you can't tell shales and siltstones apart without a microscope.
d.
Shales is fissile (will break into think layers)
e.
Siltstone has an earth lustre
f.
Shale is always black in colour
9. How does the roundness of clasts correlate with transportation distance?
a.
Rounded clasts have travelled further an angular clasts
b.
Roundness doesn't mean anything; the type of mineral impacts how far clasts can travel
c.
Roundness doesn't mean anything; the hardness of a mineral impacts how far clasts can travel
d.
Angular clasts have travelled further than rounded clasts
10. Which of the following rocks is NOT a biochemical sedimentary rock?
a.
Dolostone
b.
Travertine
c.
Chert
d.
Coal
e.
Limestone
11. A rock that has clasts that are bigger than 2mm that are rounded, What is that?. (one word, spelled correct, no punctuation).
12. Potash, Salt, and Gypsum are chemical rocks formed by this process, process name?
14. What two factors impact how a rock will be metamorphosed?
a.
Rate of Cooling and Pressure
b.
Pressure and Depth of Burial
c.
Heat and Depth of Burial
d.
Heat and Pressure
15: Metamorphism of rocks causes the recrystallization of minerals, resulting in smaller crystal sizes.
Select one:
True
False
16: The parallel alignment or layering of mineral grains due to metamorphism is called what?
18. Why do you not find fossils in igneous and metamorphic rocks?
a.
The textures of these rocks makes it impossible to see the fossils
b.
The heat and pressure used to form these rocks would destroy any fossils
c.
The fossils are replaced by crystals of new minerals
d.
Yes you do, they are just too small to see.
.
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1. What are the building blocks of rocks and is mostly found in the geosphere?
A. elements
B. minerals
C. ore
D. soil
2. Which refers to a naturally, occurring, inorganic solid, that has a definite crystalline structure and chemical composition?
A. compound
B. crystal
C. mineral
D. rocks
3. Which of the following is NOT a characteristic of a mineral?
A. crystal structure
B. naturally occuring
C. organic
D. solid
4. What is the solid form of a mineral produced by repeating pattern of atoms?
A. crystal
B. density
C. element
D. fracture
5. Which property refers to the resistance of minerals to scratching?
A. cleavage
B. fracture
C. hardness
D. luster
6. What is the property of minerals that reflects light on its surface?
A. crystal structure
B. color
C. streak
D. luster
7. What refers to the tendency for a mineral to break along flat surfaces?
A. cleavage
B. hardness
C. ductility
D. tenacity
8. Which is NOT a property that can be used to identify a mineral?
A. luster
B. streak
C. hardness
D. opaque
9. What is the color of a mineral in powdered form?
A. color
B. hardness
C. luster
D. streak
10. What mineral is found in pencil?
A. calcite
B. halite
C. graphite
D. fluorite
10- Consider the following scenario- Mastodons and mammoths are cousin.pdfcitychoice1
10. Consider the following scenario. Mastodons and mammoths are cousins in a mammalian
lineage called proboscideans. This group includes the extant African and Asian elephants. The
ancestral proboscidean population evolved in Africa. Mastodons include 5 species all in North
America, and the single sister species of NAm mastodons may have lived in Asia. Sketch a
mastodon phylogeny consistent with this scenario.
10- C An E- coli strain possesses the following genotype F(Ix)-I+P+O+Z.pdfcitychoice1
10. C An E. coli strain possesses the following genotype F ( I x ) / I + P + O + Z + Y + where l x
eliminates the ability of the repressor to bind the operator. The structural genes Z Y : A) will not
be transcribed under any conditions B) will be transcribed both in the presence and absence of
lactose C) will be transcribed only if lactose is present D) will be transcribed only if lactose is
absent E) will be transcribed but not translated.
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7- Oil and water resources are generally hosted in ___________ rocks-.docxKevinDjvMorgank
7. Oil and water resources are generally hosted in ___________ rocks.
a.
Organic
b.
Biochemical
c.
Volcanic
d.
Chemical
e.
Clastic
8. Shales, siltstones, and very fine-grained limestones are pretty similar in that the clast size is too fine to see with the naked eye. How can someone differentiate them/identify one from the others? Select all that apply.
a.
Limestone will always have fossils visible
b.
Limestone will react with acid
c.
You can identify the limestone, but you can't tell shales and siltstones apart without a microscope.
d.
Shales is fissile (will break into think layers)
e.
Siltstone has an earth lustre
f.
Shale is always black in colour
9. How does the roundness of clasts correlate with transportation distance?
a.
Rounded clasts have travelled further an angular clasts
b.
Roundness doesn't mean anything; the type of mineral impacts how far clasts can travel
c.
Roundness doesn't mean anything; the hardness of a mineral impacts how far clasts can travel
d.
Angular clasts have travelled further than rounded clasts
10. Which of the following rocks is NOT a biochemical sedimentary rock?
a.
Dolostone
b.
Travertine
c.
Chert
d.
Coal
e.
Limestone
11. A rock that has clasts that are bigger than 2mm that are rounded, What is that?. (one word, spelled correct, no punctuation).
12. Potash, Salt, and Gypsum are chemical rocks formed by this process, process name?
14. What two factors impact how a rock will be metamorphosed?
a.
Rate of Cooling and Pressure
b.
Pressure and Depth of Burial
c.
Heat and Depth of Burial
d.
Heat and Pressure
15: Metamorphism of rocks causes the recrystallization of minerals, resulting in smaller crystal sizes.
Select one:
True
False
16: The parallel alignment or layering of mineral grains due to metamorphism is called what?
18. Why do you not find fossils in igneous and metamorphic rocks?
a.
The textures of these rocks makes it impossible to see the fossils
b.
The heat and pressure used to form these rocks would destroy any fossils
c.
The fossils are replaced by crystals of new minerals
d.
Yes you do, they are just too small to see.
.
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1. What are the building blocks of rocks and is mostly found in the geosphere?
A. elements
B. minerals
C. ore
D. soil
2. Which refers to a naturally, occurring, inorganic solid, that has a definite crystalline structure and chemical composition?
A. compound
B. crystal
C. mineral
D. rocks
3. Which of the following is NOT a characteristic of a mineral?
A. crystal structure
B. naturally occuring
C. organic
D. solid
4. What is the solid form of a mineral produced by repeating pattern of atoms?
A. crystal
B. density
C. element
D. fracture
5. Which property refers to the resistance of minerals to scratching?
A. cleavage
B. fracture
C. hardness
D. luster
6. What is the property of minerals that reflects light on its surface?
A. crystal structure
B. color
C. streak
D. luster
7. What refers to the tendency for a mineral to break along flat surfaces?
A. cleavage
B. hardness
C. ductility
D. tenacity
8. Which is NOT a property that can be used to identify a mineral?
A. luster
B. streak
C. hardness
D. opaque
9. What is the color of a mineral in powdered form?
A. color
B. hardness
C. luster
D. streak
10. What mineral is found in pencil?
A. calcite
B. halite
C. graphite
D. fluorite
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Age
Ethnicity
Gender
Personality
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They can sometimes achieve feats an individual could never accomplish.
They represent a better way to use employee talents.
They reduce the need for coordination and supervision.
They aid in the performance of simple tasks that do not require diverse inputs.
They strengthen the worth of individual team players over the team.
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Dress codes play a more important role.
Written rules become very important.
A clear set of written group norms is necessary.
A maximum of external controls is necessary.
They need to be accepted by all in order to be adopted.
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The goal of sharing information
The presence of neutral to negative synergy
The availability of complementary skills among members
The individual accountability for outcomes and results
The mere accumulation of individual efforts
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True
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b.Neutrophils
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d.Macrophages
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b.They are very potent
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1- Which of the following is the definition for mineral- a Any natur (1).pdf
1. 1. Which of the following is the definition for mineral ?
a
Any naturally-occurring chemical compound that does not contain carbon and has a crystalline
structure.
b
A naturally occurring geologic material that is an inorganic, crystalline solid and has a definite
chemical composition.
c
Inorganic, solid, naturally occurring chemical compounds that do not contain carbon.
d
A pure, solid, chemical substance formed by natural processes.
2. Your book states that crystals are...crystalline material. That's kinda like saying water is made
of water molecules. Which of the following is the best summary of what a crystal is, based upon
the discussion in the book?
a
Atoms bonded together to form a solid, rigid material with a definite shape.
b
Atoms arranged into a closely-packed structure. The crystal shape depends on the packing
arrangement.
c
Atoms bonded together in a repeating, 3-dimensional geometric pattern. The shape depends on
the elements that are bonded together.
d
None of these defines what a crystal is.
3. Which of the following best describes what mineral cleavage is?
a
2. Zones of weakness in a mineral where crystal growth was interrupted.
b
Zones of weakness along crystal growth lines.
c
Irregular breaks in a crystal.
d
Planes of weakness in a crystal lattice caused by the alignment of chemical bonds.
4. Select all of the ways a mineral can form:
Select 5 correct answer(s)
a
boiling liquid
b
diffusion within a solid
c
freezing liquid
d
pressure crystallization
e
crystallized by an organism
f
sublimation from a gas
g
precipitation from a liquid
3. 5. Minerals can be dissolved in a liquid. This is called:
a
a compound.
b
a solute.
c
a mixture.
d
a solution.
6. Minerals precipitate from a solution when:
a
The solvent becomes oversaturated with the solute.
b
The solution becomes oversaturated with solvent.
c
The solvent is undersaturated.
d
The solute is undersaturated in the solvent.
7. Your text discusses anhedral vs. euhedral crystals. Considering this, which of the following
would be a true (and useful) fact about crystal shapes in a rock?
a
Spaces between large euhedral crystals filled with anhedral crystals = anhedral crystals formed
from the last remaining liquid.
b
4. All are possible!
c
Large anhedral crystals overgrown with smaller euhedral crystals = anhedral crystals formed first
and were probably once euhedral.
d
Euhedral crystals surrounded by anhedral crystals = euhedral crystals formed first.
8. Mineral hardness is measured on Mohs hardness scale. A mineral with a hardness of 6 can:
a
scratch any mineral with a hardness of 7, 8, 9, or 10.
b
only be scratched by a mineral with a hardness of 10.
c
be scratched by any mineral with hardness of 5, 4, 3, 2, or 1.
d
scratch any mineral with hardness of 5, 4, 3, 2, or 1.
9. Which physical property is the least reliable for identifying a mineral?
a
Color- because color can vary if there are elements substituting places in the mineral's crystal
lattice.
b
Crystal shape- because minerals can have many crystal shapes.
c
Hardness- because Mohs hardness is not accurate.
d
5. Cleavage- because cleavage changes with the crystal form of a mineral.
10. Minerals are grouped into classes based upon their chemistry. Which mineral class is the
most common in the Earth's crust?
a
oxides
b
silicates
c
carbonates
d
native metals
11. Silicates are a complicated and diverse mineral class. Silicates are classified based upon:
a
the arrangement of silicon-oxygen tetrahedra bonds.
b
the kinds of elements bonded to the silica anion.
c
the geometric shape of the silicon-oxygen bond.
d
the metal cation bonded to the silica anion.
a
Any naturally-occurring chemical compound that does not contain carbon and has a crystalline
structure.
b
A naturally occurring geologic material that is an inorganic, crystalline solid and has a definite
chemical composition.
c Inorganic, solid, naturally occurring chemical compounds that do not contain carbon.
d A pure, solid, chemical substance formed by natural processes.
