Are You Ready To Take The Ultimate Rocks Quiz?
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Are you a petrologist who gets up close and personal with rocks, or someone who is exteremely curious about rocks? This quiz is about rocks and how they are formed. There are numerous types of rocks, including igneous, metamorphic, and sedimentary rocks. The most common type of rock is igneous, which is created by the cooling of magma. Earth’s crust is mainly comprised of rocks such as granite and basalt. You should take this amazing quiz on rocks.
Questions and Answers
- 1.
Igneous rock is classified by...
- A.
The location where its magma cools
- B.
The amount of silica in magma
- C.
The structure of the formation
- D.
Whether or not it is foliated
- E.
Its color
Correct Answer
C. The structure of the formationExplanation
Igneous rock is classified by the structure of its formation. This means that the way in which the molten magma cools and solidifies determines the classification of the rock. Different cooling rates and conditions result in different structures, such as fine-grained or coarse-grained textures. This classification is important as it provides information about the rock's origin and can help identify its properties and potential uses. The other options listed, such as the location of cooling, the amount of silica, whether it is foliated, or its color, may provide additional information but do not directly classify the rock.Rate this question:
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- 2.
This type of rock feature suggest the environment it was formed in had a change in sea level
- A.
Stratification
- B.
Cross-beds/graded bedding
- C.
Ripple marks
- D.
Mud cracks
- E.
Fossils
Correct Answer
A. StratificationExplanation
Stratification refers to the layering of sedimentary rocks, which is caused by the deposition of sediments over time. This rock feature suggests that the environment in which it was formed experienced changes in sea level. As sea levels rise and fall, different layers of sediment are deposited, resulting in the stratification of rocks. Therefore, the presence of stratification indicates that the rock formed in an environment with fluctuating sea levels.Rate this question:
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- 3.
Extrusive rocks typically form this type of texture:
- A.
Coarse-grained
- B.
Porphyritic
- C.
Vesicular
- D.
Fine-grained
- E.
Conglomerate
Correct Answer
D. Fine-grainedExplanation
Extrusive rocks typically form a fine-grained texture because they cool quickly on the Earth's surface or in shallow depths, allowing for smaller mineral crystals to form. This rapid cooling prevents the growth of larger crystals, resulting in a fine-grained appearance.Rate this question:
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- 4.
This type of rock feature suggest the environment it was formed in was once wet, but dried up quickly
- A.
Stratification
- B.
Cross-beds/graded-bedding
- C.
Ripple marks
- D.
Mud cracks
- E.
Fossils
Correct Answer
D. Mud cracksExplanation
Mud cracks are formed when wet mud dries up quickly. The cracks form as the mud contracts and shrinks during the drying process. The presence of mud cracks suggests that the environment in which the rock was formed was once wet, but dried up rapidly. This could indicate a desert or arid environment where water quickly evaporates, leaving behind dried mud.Rate this question:
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- 5.
Rocks that form from the hardening of magma are called…
- A.
Igneous rocks
- B.
Metamorphic rocks
- C.
Clastic rocks
- D.
Organic sedimentary rocks
- E.
Mafic rocks
Correct Answer
A. Igneous rocksExplanation
Rocks that form from the hardening of magma are called igneous rocks. Magma is molten rock that is found beneath the Earth's surface. When magma cools and solidifies, it forms igneous rocks. These rocks can have a variety of textures and compositions depending on the rate of cooling and the mineral content of the magma. Examples of igneous rocks include granite, basalt, and obsidian.Rate this question:
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- 6.
Metamorphic rock is classified by…
- A.
The location where its magma cools
- B.
The amount of silica in the magma
- C.
The structure of formation
- D.
Whether or not it is foliated
- E.
Its color
Correct Answer
D. Whether or not it is foliatedExplanation
Metamorphic rock is classified based on whether or not it is foliated. Foliation refers to the arrangement of minerals in parallel layers or bands within the rock. If the rock exhibits foliation, it means that the minerals have been subjected to pressure and heat, causing them to align in a specific pattern. On the other hand, if the rock does not show foliation, it means that the minerals have not undergone this process and are randomly arranged. Therefore, the presence or absence of foliation is a key factor in classifying metamorphic rock.Rate this question:
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- 7.
Rocks that form from cementation and compaction of sediments are called…
- A.
Igneous rocks
- B.
Metamorphic rocks
- C.
Sedimentary rocks
- D.
Mafic rocks
Correct Answer
C. Sedimentary rocksExplanation
Rocks that form from cementation and compaction of sediments are called sedimentary rocks. This process involves the accumulation of loose sediments, such as sand, silt, and clay, which are then compacted under pressure and cemented together by minerals, forming solid sedimentary rocks. These rocks often contain fossils and provide valuable information about Earth's history and past environments. Examples of sedimentary rocks include sandstone, limestone, and shale. Igneous rocks form from the solidification of molten material, metamorphic rocks form from the alteration of existing rocks due to heat and pressure, and mafic rocks are a type of igneous rock characterized by high levels of magnesium and iron.Rate this question:
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- 8.
Intrusive rocks typically form this type of texture
- A.
Coarse-grained
- B.
Porphyritic
- C.
Vesicular
- D.
Fine-grained
- E.
Conglomerate
Correct Answer
A. Coarse-grainedExplanation
Intrusive rocks typically form a coarse-grained texture because they cool slowly beneath the Earth's surface, allowing large crystals to form. The slow cooling process gives the minerals in the rock more time to grow and develop, resulting in a coarse-grained appearance. This texture is characterized by visible individual mineral grains that are easily distinguishable to the naked eye.Rate this question:
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- 9.
Rocks that form from transformation due to pressure and heat are called
- A.
Igneous rocks
- B.
Metamorphic rocks
- C.
Clastic rocks
- D.
Sedimentary rocks
- E.
Mafic rocks
Correct Answer
B. Metamorphic rocksExplanation
Metamorphic rocks are formed through the process of transformation caused by both pressure and heat. This process alters the composition and structure of existing rocks, resulting in the formation of metamorphic rocks. Igneous rocks are formed from the solidification of molten material, clastic rocks are formed from the accumulation of fragments of pre-existing rocks, sedimentary rocks are formed through the deposition and lithification of sediments, and mafic rocks are a type of igneous rock with a high content of magnesium and iron. Therefore, the correct answer is metamorphic rocks.Rate this question:
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- 10.
We tend to find these types of rocks surrounding intrusive igneous rocks
- A.
Metamorphic rocks
- B.
Clastic rocks
- C.
Sedimentary rocks
- D.
Organic rocks
- E.
Mafic rocks
Correct Answer
A. Metamorphic rocksExplanation
Metamorphic rocks are formed when existing rocks undergo intense heat and pressure, causing them to change their composition and structure. These rocks are commonly found surrounding intrusive igneous rocks because the heat and pressure from the intrusion can cause the surrounding rocks to undergo metamorphism. This process alters the mineralogy and texture of the rocks, resulting in the formation of metamorphic rocks. Therefore, it is logical to find metamorphic rocks in close proximity to intrusive igneous rocks.Rate this question:
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- 11.
This type of energy uses moving water, whether created by damning or using local rivers, to turn a turbine and create electricity.
- A.
Hydro-electric power
- B.
Fossil fuels
- C.
Tidal power
- D.
Wave power
- E.
Geothermal power
- F.
Nuclear power
Correct Answer
A. Hydro-electric powerExplanation
Hydro-electric power is the correct answer because it involves the use of moving water to generate electricity. This can be achieved by building dams or utilizing the flow of rivers to turn turbines, which in turn produce electrical energy. Unlike fossil fuels, tidal power, wave power, geothermal power, and nuclear power, hydro-electric power harnesses the kinetic energy of water to generate sustainable and renewable electricity.Rate this question:
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- 12.
This type of resource is created from the remains of plants that are buried in swamps with an absence of oxygen. Over years and years of increased sediment, which increases pressure and temperature, you end up with this resource.
- A.
Uranium
- B.
Coal
- C.
Petroleum
- D.
Gasoline
- E.
Biofuel
Correct Answer
B. CoalExplanation
Coal is formed from the remains of plants that are buried in swamps with an absence of oxygen. Over time, the increased sediment puts pressure on the buried plants, causing them to undergo chemical and physical changes. This process, known as coalification, results in the formation of coal. The increased pressure and temperature further transform the plant material into coal, which is a solid fossil fuel.Rate this question:
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- 13.
This type of mining strips away overlaying rock to get at ores below the surface
- A.
Placer
- B.
Subsurface
- C.
Surface
- D.
Undersea
- E.
Geomining
Correct Answer
C. SurfaceExplanation
Surface mining is a type of mining that involves the removal of overlying rock or soil to access the valuable ores or minerals beneath the surface. This method is commonly used when the desired materials are located relatively close to the surface, making it more cost-effective and efficient compared to other mining methods. Surface mining can include techniques such as open-pit mining, strip mining, and mountaintop removal mining, all of which involve the removal of layers of rock or soil to extract the desired resources.Rate this question:
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- 14.
This is a natural material whose concentration of economic value is high enough to be mined
- A.
Mineral
- B.
Ore
- C.
Gold
- D.
Element
Correct Answer
B. OreExplanation
Ore is the correct answer because it refers to a natural material that contains a high enough concentration of economic value to be mined. In this context, it is implied that the material being referred to is valuable enough to justify the extraction process. The other options - mineral, gold, and element - are not specific enough to convey the economic value or the potential for mining.Rate this question:
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- 15.
This type of resource is created from the remains of microorganisms and plants that died in shallow oceans and lakes. Over years and years of being buried by sediment, and heat and pressure transform the remains into this type of resource.
- A.
Uranium
- B.
Coal
- C.
Petroleum
- D.
Gasoline
- E.
Biofuel
Correct Answer
C. PetroleumExplanation
Petroleum is a type of resource that is created from the remains of microorganisms and plants that died in shallow oceans and lakes. Over time, these remains are buried by sediment and subjected to heat and pressure, which transforms them into petroleum. Petroleum is a fossil fuel that is used for various purposes, such as fuel for vehicles and energy production.Rate this question:
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- 16.
This type of energy taps into the thermal energy generated and stored in the Earth's crust.
- A.
Solar power
- B.
Geothermal power
- C.
Nuclear power
- D.
Fossil fuels
- E.
Tidal power
- F.
Hydro-electric power
Correct Answer
B. Geothermal powerExplanation
Geothermal power is the correct answer because it taps into the thermal energy generated and stored in the Earth's crust. This type of energy harnesses the heat from the Earth's core and uses it to generate electricity or heat buildings. Geothermal power plants typically use hot water or steam from underground reservoirs to drive turbines and produce energy. Unlike solar power, nuclear power, fossil fuels, tidal power, or hydro-electric power, geothermal power relies on the natural heat of the Earth, making it a renewable and sustainable energy source.Rate this question:
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- 17.
This type of resource is turned into ethanol, which is produced from naturally grown plant matter (such as soybean).
- A.
Uranium
- B.
Coal
- C.
Petroleum
- D.
Gasoline
- E.
Biofuel
Correct Answer
E. BiofuelExplanation
Biofuel is the correct answer because it is a type of resource that is turned into ethanol. Ethanol is produced from naturally grown plant matter, such as soybean. This makes biofuel a renewable and sustainable source of energy, as opposed to non-renewable resources like uranium, coal, petroleum, and gasoline.Rate this question:
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- 18.
This type of resource is most commonly used to produce nuclear fission by bombarding this resource with neutrons.
- A.
Uranium
- B.
Coal
- C.
Petroleum
- D.
Gasoline
- E.
Biofuel
Correct Answer
A. UraniumExplanation
Uranium is the correct answer because it is the most commonly used resource to produce nuclear fission by bombarding it with neutrons. Uranium is a radioactive element that can undergo a controlled chain reaction, releasing a large amount of energy in the form of heat. This heat is then used to generate electricity in nuclear power plants. Coal, petroleum, gasoline, and biofuel are not used for nuclear fission reactions.Rate this question:
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- 19.
This type of mining takes place in rivers and creeks. They tend to use buckets, pans, or in the modern world, machines to scoop up the sediment and shift through it.
- A.
Placer
- B.
Subsurface
- C.
Surface
- D.
Undersea
- E.
Geomining
Correct Answer
A. PlacerExplanation
Placer mining refers to the type of mining that takes place in rivers and creeks. It involves using buckets, pans, or machines to scoop up sediment and sift through it. This method is commonly used to extract valuable minerals such as gold and diamonds, which have been eroded and deposited in the riverbeds. Placer mining is different from subsurface mining, surface mining, undersea mining, and geomining, as it specifically focuses on extracting minerals from river and creek sediments.Rate this question:
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- 20.
This type of energy uses the process of splitting nuclei of heavy atoms to get energy in return
- A.
Wave power
- B.
Geothermal power
- C.
Fossil fuels
- D.
Nuclear power
- E.
Tidal power
Correct Answer
D. Nuclear powerExplanation
Nuclear power is the correct answer because it involves the process of splitting nuclei of heavy atoms, such as uranium or plutonium, in a controlled manner to release a large amount of energy. This energy is harnessed to generate electricity in nuclear power plants. Unlike other energy sources listed, such as wave power, geothermal power, fossil fuels, and tidal power, nuclear power relies on nuclear fission to produce energy.Rate this question:
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- 21.
This type of power uses a resource that is considered to be non-renewable
- A.
Wave power
- B.
Geothermal power
- C.
Nuclear power
- D.
Tidal power
- E.
Wind power
- F.
Hydro-electric power
Correct Answer
C. Nuclear powerExplanation
Nuclear power is the correct answer because it uses a resource that is considered to be non-renewable. Nuclear power plants generate electricity by harnessing the energy released from nuclear reactions, specifically the splitting of atoms (nuclear fission). This process requires the use of uranium or plutonium, which are limited resources and not naturally replenished on a human timescale. Therefore, nuclear power is considered to be non-renewable as it relies on finite resources.Rate this question:
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- 22.
An area when two tectonic plates are moving away from each other.
- A.
Convergent boundary
- B.
Divergent boundary
- C.
Transform boundary
- D.
Subduction zone
- E.
Rift zone
Correct Answer
B. Divergent boundaryExplanation
A divergent boundary is an area where two tectonic plates are moving away from each other. This movement creates a gap between the plates, which is filled by magma rising from the mantle. As the magma cools and solidifies, it forms new crust, causing the plates to move further apart. This process is responsible for the formation of mid-ocean ridges and rift valleys on land.Rate this question:
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- 23.
This plate boundary creates volcanic islands (island arc)
- A.
Convergent oceanic-continetal
- B.
Convergent oceanic-oceanic
- C.
Convergent continental-continental
- D.
Divergent
- E.
Transform
Correct Answer
B. Convergent oceanic-oceanicExplanation
Convergent oceanic-oceanic plate boundary is the correct answer because this type of boundary occurs when two oceanic plates collide. As the denser plate subducts beneath the other, it creates a deep ocean trench. The subducting plate melts and forms magma, which rises to the surface and creates a chain of volcanic islands known as an island arc. This process is seen in regions like the Pacific Ring of Fire, where the collision between the Pacific Plate and other smaller oceanic plates has formed numerous volcanic islands.Rate this question:
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- 24.
Earthquakes are common at this boundary
- A.
Convergent oceanic-continental
- B.
Convergent continental-continental
- C.
Convergent oceanic-oceanic
- D.
Divergent
- E.
Transform
Correct Answer
E. TransformExplanation
Earthquakes are common at transform boundaries because this is where two tectonic plates slide past each other horizontally. The friction between the plates causes them to become locked, and when the stress builds up to a certain point, it is released in the form of an earthquake. Transform boundaries do not involve the creation or destruction of crust, unlike convergent and divergent boundaries, which is why earthquakes are more common at this type of boundary.Rate this question:
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- 25.
This plate boundary creates high (folded) mountains
- A.
Convergent oceanic-continental
- B.
Convergent continental-continental
- C.
Convergent oceanic-oceanic
- D.
Divergent
- E.
Transform
Correct Answer
B. Convergent continental-continentalExplanation
Convergent continental-continental plate boundaries occur when two continental plates collide. The collision causes the crust to buckle and fold, resulting in the formation of high mountains. This type of boundary is responsible for the creation of major mountain ranges like the Himalayas.Rate this question:
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- 26.
This is when two tectonic plates collide.
- A.
Convergent boundary
- B.
Divergent boundary
- C.
Transform boundary
- D.
Subduction zone
- E.
Rift zone (valley
Correct Answer
A. Convergent boundaryExplanation
A convergent boundary occurs when two tectonic plates collide. This collision can result in the plates being forced together, causing one plate to be subducted beneath the other. This process can lead to the formation of mountain ranges, volcanic activity, and earthquakes. Therefore, the correct answer is convergent boundary.Rate this question:
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- 27.
This type of area is where a denser oceanic crust sinks under a less dense crust.
- A.
Convergent boundary
- B.
Divergent boundary
- C.
Transform boundary
- D.
Subduction zone
- E.
Rift zone
Correct Answer
D. Subduction zoneExplanation
A subduction zone is a type of area where a denser oceanic crust sinks under a less dense crust. This process occurs at convergent boundaries, where two tectonic plates collide. The denser oceanic plate is forced beneath the less dense continental plate, creating a subduction zone. This process can lead to the formation of trenches, volcanic activity, and earthquakes. A subduction zone is different from a divergent boundary, where tectonic plates move apart, and a transform boundary, where plates slide past each other horizontally. A rift zone is a type of divergent boundary where new crust is formed.Rate this question:
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- 28.
Sea floor spreading takes place at this boundary
- A.
Convergent oceanic-continental
- B.
Convergent continental-continental
- C.
Convergent oceanic-oceanic
- D.
Divergent
- E.
Transform
Correct Answer
D. DivergentExplanation
Sea floor spreading is a process that occurs at divergent boundaries. Divergent boundaries are where two tectonic plates move away from each other, causing new crust to be formed in the gap. This process is responsible for the creation of mid-ocean ridges and the formation of new oceanic crust. Therefore, the correct answer is divergent.Rate this question:
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- 29.
This type of area forms where two plates separate
- A.
Convergent boundary
- B.
Divergent boundary
- C.
Transform boundary
- D.
Subduction zone
- E.
Rift zone (valley)
Correct Answer
E. Rift zone (valley)Explanation
A rift zone (valley) forms where two plates separate. This occurs at a divergent boundary, where the plates move away from each other. As the plates separate, magma rises from the mantle and fills the gap, creating a rift zone. This process can lead to the formation of a valley as the land sinks and stretches along the rift zone.Rate this question:
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- 30.
This plate boundary creates an ocean or sea between two continents
- A.
Convergent oceanic-continental
- B.
Convergent continental-continental
- C.
Convergent oceanic-oceanic
- D.
Divergent
- E.
Transform
Correct Answer
D. DivergentExplanation
A divergent plate boundary occurs when two tectonic plates move away from each other. As they separate, magma rises from the mantle to fill the gap, creating new crust. This process often occurs beneath the ocean, leading to the formation of a mid-ocean ridge. The movement of the plates creates a gap or rift between them, which can fill with water to form an ocean or sea. Therefore, a divergent plate boundary is the correct answer for this question as it creates an ocean or sea between two continents.Rate this question:
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- 31.
This area is when two plates slide past each other.
- A.
Convergent boundary
- B.
Divergent boundary
- C.
Transform boundary
- D.
Subduction zone
- E.
Rift zone (valley)
Correct Answer
C. Transform boundaryExplanation
A transform boundary is a type of plate boundary where two plates slide past each other horizontally. This movement causes intense friction and pressure, resulting in frequent earthquakes. Unlike convergent boundaries where plates collide or divergent boundaries where plates move apart, transform boundaries do not involve the creation or destruction of crust. Instead, they are characterized by the lateral sliding of plates, such as the famous San Andreas Fault in California.Rate this question:
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- 32.
This plate boundary creates volcanic mountains
- A.
Convergent oceanic-continental
- B.
Convergent continental-continental
- C.
Convergent oceanic-oceanic
- D.
Divergent
- E.
Transform
Correct Answer
A. Convergent oceanic-continentalExplanation
The correct answer is convergent oceanic-continental. This plate boundary occurs when an oceanic plate collides with a continental plate. The denser oceanic plate subducts beneath the less dense continental plate, creating a subduction zone. As the oceanic plate sinks into the mantle, it generates intense heat and pressure, causing the melting of the mantle and the formation of magma. This magma rises to the surface, leading to volcanic activity and the creation of volcanic mountains.Rate this question:
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- 33.
The theory of plate tectonics was developed in the
- A.
1960s
- B.
1800s
- C.
1920s
- D.
1750s
Correct Answer
A. 1960sExplanation
The theory of plate tectonics was developed in the 1960s. This theory revolutionized our understanding of the Earth's surface and how it has changed over time. It explains how the Earth's lithosphere is divided into several large plates that are constantly moving and interacting with each other. The theory was supported by evidence from seafloor spreading, magnetic anomalies, and earthquake patterns. It has since become a fundamental concept in geology and has helped us understand phenomena such as earthquakes, volcanic activity, and the formation of mountain ranges.Rate this question:
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- 34.
Which of the following was not evidence for continental drift:
- A.
Fossils evidence
- B.
Rock evidence
- C.
Climate evidence
- D.
Glacial evidence
- E.
Tidal evidence
Correct Answer
E. Tidal evidenceExplanation
Tidal evidence was not evidence for continental drift because tides are caused by the gravitational pull of the moon and sun, and are not influenced by the movement of continents. Fossil evidence, rock evidence, climate evidence, and glacial evidence were all used to support the theory of continental drift, as they showed similarities between different continents that could only be explained by the movement of landmasses over time.Rate this question:
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- 35.
Minerals must be naturally occurring
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Minerals must be naturally occurring because they are formed through geological processes in the Earth's crust. They are not artificially created by humans. This natural occurrence is a defining characteristic of minerals, distinguishing them from synthetic materials.Rate this question:
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- 36.
Liquid water is a mineral
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Liquid water is not considered a mineral because it does not meet the criteria for being classified as a mineral. Minerals are naturally occurring inorganic substances with a definite chemical composition and a crystalline structure. While water is essential for the formation of many minerals and can contain dissolved minerals, it does not possess a crystalline structure and is not considered a mineral itself. Therefore, the correct answer is False.Rate this question:
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- 37.
Ice is a mineral
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Ice is considered a mineral because it meets the criteria to be classified as one. A mineral is a naturally occurring, inorganic solid with a definite chemical composition and a crystalline structure. Ice is naturally occurring, as it forms from the freezing of water, it is inorganic because it is not composed of living organisms, it has a definite chemical composition (H2O), and it forms a crystalline structure when it freezes. Therefore, ice meets all the requirements to be classified as a mineral.Rate this question:
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- 38.
Iron is always solid at room temperature
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Iron is a metallic element that has a melting point of 1538 degrees Celsius and a boiling point of 2862 degrees Celsius. At room temperature, which is typically around 20-25 degrees Celsius, iron remains in its solid state. Therefore, it is correct to say that iron is always solid at room temperature.Rate this question:
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Mar 20, 2023Quiz Edited by
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Dec 18, 2012Quiz Created by
Mr_crowe
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