Earth Science Final Review Quiz
All of the Questions are from Exams 1,2, and 3. There are no Questions pertaining to the Diagrams so make sure to study those for the Final Exam. I will upload another Quiz with just Test 4 when we get them back on Wednesday.
- 1.
Which of the following is a true statement?
- A.
The moon is composed of part of Earth
- B.
The moon is older than Earth
- C.
The moon is moving away from Earth
- D.
The moon formed from a ring of debris
- E.
All of the above except b
Correct Answer
E. All of the above except bExplanation
The correct answer is "All of the above except b." This means that all of the statements listed - the moon is composed of part of Earth, the moon is moving away from Earth, and the moon formed from a ring of debris - are true, except for the statement that the moon is older than Earth.Rate this question:
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- 2.
_____ was one of the first atoms to have formed in the Universe.
- A.
Carbon
- B.
Nitrogen
- C.
Hydrogen
- D.
Silicon
- E.
B & d
Correct Answer
C. HydrogenExplanation
Hydrogen was one of the first atoms to have formed in the Universe. This is because hydrogen is the lightest and simplest element, consisting of only one proton and one electron. In the early stages of the Universe, after the Big Bang, hydrogen atoms were created through a process called nucleosynthesis. As the Universe expanded and cooled, hydrogen atoms began to come together to form stars and galaxies. The abundance of hydrogen in the Universe played a crucial role in the formation of other elements and the evolution of celestial bodies.Rate this question:
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- 3.
How many degrees from the ecliptic is Earths orbit around the sun.
- A.
12
- B.
23.5
- C.
0
- D.
5
- E.
55
Correct Answer
C. 0Explanation
The correct answer is 0 because the ecliptic is the plane of Earth's orbit around the sun. Therefore, Earth's orbit is exactly on the ecliptic, making the angle between Earth's orbit and the ecliptic 0 degrees.Rate this question:
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- 4.
A(n) _____ is responsible for the production of heavy atoms such as iron in the sun's solar system.
- A.
Emission nebula
- B.
Formation of a protostar
- C.
Supernova
- D.
Neutron star
- E.
None of the above
Correct Answer
C. SupernovaExplanation
A supernova is responsible for the production of heavy atoms such as iron in the sun's solar system. During a supernova explosion, the intense energy and pressure cause the fusion of lighter elements into heavier elements, including iron. This process releases a tremendous amount of energy and scatters these heavy atoms into space. Over time, these heavy atoms can become part of new star systems, such as our own solar system, and contribute to the formation of planets and other celestial bodies.Rate this question:
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- 5.
If a star is found to have a temperature around 35,000 k what color would it be?
- A.
Pink
- B.
Blue
- C.
Red
- D.
Yellow
- E.
None of these
Correct Answer
B. BlueExplanation
A star with a temperature around 35,000 K would be blue. The color of a star is directly related to its temperature. Stars with higher temperatures emit more blue and ultraviolet light, while stars with lower temperatures emit more red and infrared light. Therefore, a star with a temperature of 35,000 K would emit a significant amount of blue light, making it appear blue in color.Rate this question:
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- 6.
Why does your weight change between planets?
- A.
Average temperature varies between planets
- B.
Each planet has a different mass
- C.
Length of time a planet takes to orbit the sun varies
- D.
Amount of solar radiation
- E.
A & d
Correct Answer
B. Each planet has a different massExplanation
The weight of an object depends on the gravitational force exerted on it, which is directly proportional to the mass of the planet. Therefore, each planet having a different mass means that the gravitational force experienced on each planet will be different, resulting in a change in weight. The other options mentioned, such as average temperature, length of time to orbit the sun, and amount of solar radiation, do not directly affect weight.Rate this question:
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- 7.
Which mostly influences the final evolutionary stages of stars?
- A.
Mass
- B.
Relative magnitude
- C.
Number of alien colonies
- D.
Absolute magnitude
- E.
Distance from Earth
Correct Answer
A. MassExplanation
The mass of a star mostly influences its final evolutionary stages. The mass determines the amount of fuel available for nuclear fusion, which powers the star. Higher mass stars burn through their fuel more quickly and go through more intense and shorter-lived stages, such as supernovae explosions, while lower mass stars have longer lifetimes and end their lives as white dwarfs or neutron stars. Therefore, the mass of a star plays a crucial role in determining its ultimate fate and evolutionary path.Rate this question:
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- 8.
Most galaxies show a ______ shift in there spectrum.
- A.
Red
- B.
Blue
- C.
Yellow
- D.
Purple
- E.
Green
Correct Answer
A. RedExplanation
Most galaxies show a red shift in their spectrum. This is due to the Doppler effect, which causes the wavelength of light emitted by an object moving away from us to appear longer (shifted towards the red end of the spectrum). This phenomenon is used to determine the motion and velocity of galaxies, as the amount of red shift can indicate how fast a galaxy is moving away from us.Rate this question:
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- 9.
While a star is in the Main Sequence Stage what forces are in balance?
- A.
Centrifugal and gravity
- B.
Gravity and tidal
- C.
Tidal and centrifugul
- D.
Thermal expansion and gravity
- E.
Alien mind probes and tractor beams
Correct Answer
D. Thermal expansion and gravityExplanation
During the Main Sequence Stage, a star is in a state of equilibrium where the inward force of gravity is balanced by the outward force of thermal expansion. Gravity pulls the star's matter inward, while thermal expansion causes the star to expand outward. These two forces are balanced, allowing the star to maintain a stable size and temperature.Rate this question:
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- 10.
When 2 hydrogen atoms combine a _______ is created.
- A.
Heavy hydrogen atom
- B.
Helium atom
- C.
Oxygen atom
- D.
Uranium atom
- E.
Water
Correct Answer
B. Helium atomExplanation
When two hydrogen atoms combine, they undergo a process called fusion, which results in the formation of a helium atom. Fusion occurs in the core of stars, where the immense pressure and temperature cause hydrogen atoms to collide and fuse together, releasing a tremendous amount of energy. This process is what powers the sun and other stars, as well as being a potential future energy source on Earth.Rate this question:
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- 11.
Which of the following is the Sequence of the Formation of the Solar System?
- A.
Nebula-> protosun-> ring of planetesmals-> protoplanet
- B.
Nebula-> ring of planetesmals-> protosun-> protoplanet
- C.
Protosun-> nebula-> ring of planetesmals-> protoplanet
- D.
Nebula-> protoplanet-> ring of planetesmals-> protosun
Correct Answer
A. Nebula-> protosun-> ring of planetesmals-> protoplanetExplanation
The correct answer is nebula-> protosun-> ring of planetesmals-> protoplanet. This sequence is based on the widely accepted theory of solar system formation known as the nebular hypothesis. According to this theory, a nebula, which is a large cloud of gas and dust, begins to collapse under its own gravity. As the collapse continues, a protosun forms at the center, surrounded by a rotating disk of gas and dust called a protoplanetary disk. Within this disk, small clumps of material called planetesimals start to form and collide, eventually growing into protoplanets.Rate this question:
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- 12.
Which of the following material is found in meteorites?
- A.
Iron
- B.
Silicate material
- C.
Amino acids
- D.
Nickel
- E.
All of the above
Correct Answer
E. All of the aboveExplanation
Meteorites are fragments of asteroids or other celestial bodies that have fallen to Earth. They can contain a variety of materials, including iron, silicate material, amino acids, and nickel. Iron is commonly found in meteorites, often in the form of iron-nickel alloys. Silicate materials, such as minerals and rocks, are also present in meteorites. Additionally, organic compounds like amino acids have been detected in some meteorites, providing evidence for the existence of the building blocks of life in space. Therefore, all of the mentioned materials can be found in meteorites.Rate this question:
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- 13.
When the sun's fuel starts to run out what is the next stage in its evolutuion?
- A.
Supernova
- B.
White dwarf
- C.
Red giant
- D.
Protostar
- E.
Neutron star
Correct Answer
C. Red giantExplanation
As the sun's fuel begins to deplete, it will enter the red giant stage of its evolution. During this stage, the sun will expand and become larger, causing it to consume its surrounding planets. Eventually, the outer layers of the sun will be shed, leaving behind a dense core known as a white dwarf. A supernova occurs when a massive star exhausts its fuel and collapses under its own gravity, which is not applicable to the sun. A protostar refers to a stage in the formation of a star, and a neutron star is formed from the remnants of a supernova.Rate this question:
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- 14.
What is the average density of the crust?
- A.
2.7g/ml cubed
- B.
2.7 cm cubed / g
- C.
2.7g/cm
- D.
2.7 kg/cm cubed
- E.
2.7 g/m cubed
Correct Answer
C. 2.7g/cmExplanation
The average density of the crust is 2.7g/cm. This is because density is defined as mass divided by volume, and the given answer has units of grams per cubic centimeter, which is the correct unit for density.Rate this question:
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- 15.
The part of an Atom which contains the most mass.
- A.
Electrons
- B.
Protons
- C.
Nucleus
- D.
Isotope
- E.
Alien probe ,machines
Correct Answer
C. NucleusExplanation
The nucleus is the correct answer because it is the part of an atom that contains the most mass. It is located at the center of the atom and consists of protons and neutrons. Electrons, on the other hand, have negligible mass compared to protons and neutrons. Isotopes refer to atoms of the same element that have a different number of neutrons. The options "alien probe" and "machines" are not relevant to the question.Rate this question:
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- 16.
Magma with the lowest silica content.
- A.
Ultramafic
- B.
Mafic
- C.
Felsic
- D.
Intermediate
- E.
Basalt
Correct Answer
B. MaficExplanation
Mafic magma has the lowest silica content among the given options. Silica is a major component in magma and affects its viscosity. Mafic magma is rich in iron and magnesium, which gives it a low silica content. This type of magma has a low viscosity, allowing gases to escape more easily and resulting in less explosive volcanic eruptions. Mafic magma also tends to have higher temperatures and can form basaltic rocks when it solidifies.Rate this question:
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- 17.
Which is not amongst the 8 most abundant elements in Earths Crust?
- A.
Oxygen
- B.
Iron
- C.
Alluminum
- D.
Copper
- E.
Sodium
Correct Answer
D. CopperExplanation
Copper is not amongst the 8 most abundant elements in Earth's crust. The 8 most abundant elements are oxygen, silicon, aluminum, iron, calcium, sodium, potassium, and magnesium. Copper is less abundant compared to these elements in the Earth's crust.Rate this question:
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- 18.
What mineral property is demonstrated when light is reflected off its surface?
- A.
Hardness
- B.
Luster
- C.
Color
- D.
Cleavage
- E.
Specific gravity
Correct Answer
B. LusterExplanation
Luster is the property of a mineral that describes the way light reflects off its surface. Different minerals have different types of luster, such as metallic, vitreous, pearly, or dull. By observing the way light reflects off a mineral's surface, we can determine its luster and use it as a characteristic to identify the mineral.Rate this question:
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- 19.
Which if the following is a rock?
- A.
Quartz
- B.
Gabbro
- C.
Hornblende
- D.
Feldspar
- E.
All of the above
Correct Answer
B. GabbroExplanation
Gabbro is a type of rock, specifically an intrusive igneous rock that is composed mainly of calcium-rich plagioclase feldspar and pyroxene minerals. It is commonly found in oceanic crust and is dark in color. Quartz, hornblende, and feldspar are also minerals commonly found in rocks, but they are not rocks themselves. Therefore, the correct answer is gabbro.Rate this question:
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- 20.
What is the shape of the structural building block for rock forming minerals?
- A.
Cube
- B.
Sphere
- C.
Pyramid
- D.
Rectangle
- E.
None of the above
Correct Answer
C. PyramidExplanation
The shape of the structural building block for rock forming minerals is a pyramid. This is because rock forming minerals typically have a crystal structure that is composed of repeating units called unit cells. The unit cell of many rock forming minerals is in the shape of a pyramid, with triangular faces and a pointed top. This pyramid shape allows for the orderly arrangement of atoms or ions within the crystal structure of the mineral.Rate this question:
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- 21.
What process results in mechanical (physical) weathering?
- A.
Frost wedging
- B.
Plant roots
- C.
Oxidation
- D.
Unloading
- E.
All except c
Correct Answer
E. All except cExplanation
Mechanical (physical) weathering is the process by which rocks are broken down into smaller pieces without any change in their chemical composition. Frost wedging occurs when water seeps into cracks in rocks, freezes, and expands, causing the rock to break apart. Plant roots can grow into cracks in rocks, exerting pressure and causing them to break. Unloading happens when overlying pressure on rocks is reduced, causing them to expand and crack. Oxidation, on the other hand, is a chemical weathering process that involves the reaction of rock minerals with oxygen. Therefore, all of the given options (frost wedging, plant roots, unloading) result in mechanical weathering, except for oxidation which is a chemical process.Rate this question:
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- 22.
Rock on Earths Surface is said to be a ______.
- A.
Regional metamorphic rock
- B.
Magma
- C.
Sedimentary rock
- D.
Contact metamorphic rock
- E.
Alienite
Correct Answer
C. Sedimentary rockExplanation
The correct answer is sedimentary rock. Sedimentary rocks are formed through the accumulation and lithification of sediment, which can include particles of rock, minerals, organic matter, and even fossils. They are typically found on the Earth's surface and can be composed of various materials, such as sandstone, limestone, or shale. Sedimentary rocks often contain layers or strata, which can provide valuable information about the Earth's history and past environments.Rate this question:
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- 23.
What needs to happen for an igneous rock to change into a metamorphic rock?
- A.
Llithification
- B.
Crystalization
- C.
Weathering
- D.
Lava
- E.
Heat and pressure
Correct Answer
E. Heat and pressureExplanation
For an igneous rock to change into a metamorphic rock, it needs to be subjected to heat and pressure. These two factors cause the minerals within the rock to recrystallize, forming new minerals and changing the overall texture and composition of the rock. This process, known as metamorphism, occurs deep within the Earth's crust where temperature and pressure are high. Lava, weathering, and lithification are not involved in the transformation of igneous rocks into metamorphic rocks.Rate this question:
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- 24.
What fossil example was used to explain the prescence of Pangaea?
- A.
Mesosaurus
- B.
Amenities
- C.
Plesiosaurus
- D.
Archeopteryx
- E.
Mastadons
Correct Answer
A. MesosaurusExplanation
Mesosaurus is a fossil example that was used to explain the presence of Pangaea. Mesosaurus was a small aquatic reptile that lived during the early Permian period. Fossils of Mesosaurus have been found in both South America and Africa, which are currently separated by the Atlantic Ocean. The presence of the same species in these two distant locations suggests that there was once a land connection between South America and Africa, supporting the theory of Pangaea, a supercontinent that existed millions of years ago.Rate this question:
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- 25.
Which is a mass wasting event?
- A.
Water flowing in a channel
- B.
Storm surge
- C.
Rock fall
- D.
Geothermal gradient
- E.
B and c
Correct Answer
C. Rock fallExplanation
A mass wasting event refers to the movement of rocks, soil, or other materials down a slope due to gravity. In this case, a rock fall is a clear example of a mass wasting event as it involves the sudden and rapid movement of rocks down a slope. Water flowing in a channel and storm surge are not considered mass wasting events as they involve the movement of water, not solid materials. Geothermal gradient refers to the change in temperature with depth in the Earth's crust and is unrelated to mass wasting events.Rate this question:
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- 26.
Water can reduce _____ which can trigger mass wasting events.
- A.
Alien landing pad sizes
- B.
Ocean
- C.
Streams
- D.
Friction
- E.
Weight
Correct Answer
D. FrictionExplanation
Friction refers to the resistance that occurs when two surfaces come into contact with each other. In the context of the question, water can reduce friction, which in turn can trigger mass wasting events. When water infiltrates soil or rock layers, it can act as a lubricant, reducing the friction between particles and causing them to become unstable. This can lead to landslides, mudslides, or other mass wasting events where the weakened material moves downhill. Therefore, friction plays a crucial role in stabilizing slopes, and its reduction by water can contribute to the occurrence of such events.Rate this question:
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- 27.
Which of the following water reservoirs contains the largest quantity of fresh water?
- A.
Lakes
- B.
Soil moisture
- C.
Streams
- D.
Groundwater
- E.
Oceans
Correct Answer
D. GroundwaterExplanation
Groundwater contains the largest quantity of fresh water compared to other water reservoirs. Groundwater refers to the water that is stored beneath the Earth's surface in aquifers. It is replenished through rainfall and snowmelt, slowly percolating through the soil and rocks. Groundwater is an important source of water for drinking, irrigation, and industrial purposes. It is estimated that about 30% of the world's freshwater is stored in groundwater reservoirs, making it the largest accessible source of fresh water on the planet.Rate this question:
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- 28.
Which of the following is the ultimate base level for a stream?
- A.
Flood control damn
- B.
Mouuntain lake
- C.
Atlantic ocean
- D.
Reservoir damn
- E.
All of the above
Correct Answer
C. Atlantic oceanExplanation
The ultimate base level for a stream is the lowest point to which a stream can erode its channel. In this case, the Atlantic Ocean is the correct answer because it is the lowest point that a stream can flow into and erode its channel. Flood control dams, mountain lakes, and reservoir dams are not considered ultimate base levels for streams as they are man-made structures and can be altered or controlled.Rate this question:
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- 29.
What is the name of the layers that isolates a confined aquifer?
- A.
Vadoze
- B.
Spring
- C.
Aquifer
- D.
Water table
- E.
Aquitard
Correct Answer
E. AquitardExplanation
An aquitard is a layer of rock or sediment that restricts the flow of groundwater. It acts as a barrier, isolating a confined aquifer from the surrounding layers. This prevents the movement of water between the confined aquifer and other aquifers or surface water sources. Therefore, an aquitard is the correct answer as it describes the layer that isolates a confined aquifer.Rate this question:
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- 30.
The extraction of groundwater and oil from the San Joaquin Valley has resulted in.
- A.
Excessive rain
- B.
Space ship landing
- C.
Subsidence
- D.
Sea level changes
- E.
Droughts
Correct Answer
C. SubsidenceExplanation
The extraction of groundwater and oil from the San Joaquin Valley has resulted in subsidence. Subsidence refers to the sinking or settling of the land surface due to the removal of these underground resources. As the groundwater and oil are pumped out, the empty spaces left underground cause the overlying land to sink. This can lead to various issues such as the sinking of buildings, infrastructure damage, and changes in the landscape. Therefore, subsidence is the most logical and plausible outcome of the extraction activities in the San Joaquin Valley.Rate this question:
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- 31.
Which of the following is needed for a geyser to errupt?
- A.
Constriction in fractures
- B.
Underground heat source
- C.
Cavern to allow groundwater to collect
- D.
Fractures that act as conduits for water to move underground
- E.
All of the above
Correct Answer
E. All of the aboveExplanation
All of the options listed are necessary for a geyser to erupt. A geyser is formed when there is a constriction in fractures, which creates pressure on the underground water. This underground water is heated by an underground heat source, such as magma or hot rocks, causing it to expand. The presence of a cavern allows the groundwater to collect and build up pressure. Finally, fractures act as conduits for the water to move underground, leading to an eruption when the pressure becomes too high. Therefore, all of these factors are needed for a geyser to erupt.Rate this question:
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- 32.
Volcanic Eruptions with low silica content, low gas content, and a large volume of magma. Which plate tectonic setting would likely generate the volcano desrcibed above?
- A.
Convergent (ocean-ocean)
- B.
Convergent (ocean-continent)
- C.
Transform
- D.
Divergent
- E.
Divergent and hot spots
Correct Answer
E. Divergent and hot spotsExplanation
A volcano with low silica content, low gas content, and a large volume of magma is likely to be generated in a divergent plate tectonic setting. In this setting, two tectonic plates are moving away from each other, allowing magma to rise to the surface and form a volcano. The low silica content and low gas content indicate that the magma is less viscous and has fewer trapped gases, which are characteristics of basaltic magma commonly found in divergent settings. Additionally, the mention of hot spots suggests that the volcano may be located over a mantle plume, which is another characteristic of divergent settings.Rate this question:
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- 33.
Which is an anthropogenic contributor to flooding?
- A.
Early snow melt
- B.
Velocity of a rain storm
- C.
Path of the rain storm
- D.
Heavy rains
- E.
Urbanization
Correct Answer
E. UrbanizationExplanation
Urbanization is the correct answer because it refers to the process of increasing the population and infrastructure in urban areas, which often leads to the replacement of natural land surfaces with impervious surfaces like concrete and asphalt. These impervious surfaces prevent rainwater from infiltrating into the ground, resulting in increased surface runoff and reduced groundwater recharge. This can lead to higher volumes and faster flow of water during rainfall events, contributing to flooding in urban areas.Rate this question:
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- 34.
When a Volcano goes extinct the conduits will crystallize into an igneous rock and will become a _______.
- A.
Sill
- B.
Cinder cone
- C.
Dike
- D.
Batholith
- E.
A or c
Correct Answer
E. A or cExplanation
When a volcano goes extinct, the conduits, which are the channels through which magma flows, will cool and solidify over time. This process causes the conduits to crystallize into an igneous rock. A sill is a horizontal sheet-like intrusion of igneous rock that forms between layers of preexisting rock. A dike, on the other hand, is a vertical or near-vertical sheet-like intrusion of igneous rock that cuts across preexisting rock layers. Therefore, both options a (sill) and c (dike) are correct answers as they describe the formation of igneous rock when a volcano goes extinct.Rate this question:
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- 35.
Which seismic body wave can travel through a fluid?
- A.
S wave
- B.
Alien death rays
- C.
P wave
- D.
Rayleigh wave
- E.
Love wave
Correct Answer
C. P waveExplanation
P-waves, also known as primary waves, are seismic body waves that can travel through both solids and fluids. They are the fastest seismic waves and have a push-pull motion, causing particles to move in the same direction as the wave. This ability to travel through fluids makes P-waves crucial in studying the Earth's interior, as they can provide valuable information about the composition and structure of the subsurface, including the presence of liquid layers such as water or magma.Rate this question:
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- 36.
You are stranded in the ocean and can only depict a volcanic island arc. How would you describe your surrounding destination to possible rescuers?
- A.
Shallow sloping sides to the volcano
- B.
Lava and pyroclastic flow are visible
- C.
You lose all hope because life without a cell phone is not worth running the battery out to be rescued
- D.
Basalt flows dominate the island
- E.
Island is covered with low height, but steep sided cinderr cones
Correct Answer
B. Lava and pyroclastic flow are visibleExplanation
The correct answer suggests that if you are stranded in the ocean and can only depict a volcanic island arc, you would describe your surrounding destination to possible rescuers by mentioning that lava and pyroclastic flow are visible. This implies that there is volcanic activity happening on the island, which could be a significant landmark for rescuers to locate and potentially rescue you from.Rate this question:
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- 37.
Which is most acurate about the Landers and Fullerton Earthquakes?
- A.
the intensity of Landers was less than Fullerton
- B.
The intensity of Landers was greater than Fullerton
- C.
The energy of Landers was less than Fullerton
- D.
The energy of landers was greater than Fullerton
- E.
There is not enough information to make an exact statement
Correct Answer
A. the intensity of Landers was less than FullertonExplanation
The given answer states that the intensity of the Landers earthquake was less than the Fullerton earthquake. This suggests that the Landers earthquake had a lower level of ground shaking and damage compared to the Fullerton earthquake. However, it does not provide any information about the energy released by the earthquakes or any other specific details.Rate this question:
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- 38.
Why do wave crests strike the shoreline parallel no matter the direction of the storm?
- A.
Wave refraction
- B.
Wave reflection
- C.
Longshore transport
- D.
Coriolis effect
- E.
Wave density
Correct Answer
A. Wave refractionExplanation
Wave refraction is the correct answer because it is the process by which waves change direction as they approach the shoreline. When waves approach the shoreline at an angle, the part of the wave that is closer to the shore slows down due to the shallower water, causing the wave to bend or refract. This refraction causes the wave crests to become parallel to the shoreline, regardless of the direction of the storm. This phenomenon is responsible for the consistent parallel alignment of wave crests as they strike the shoreline.Rate this question:
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- 39.
Which of the following cloud types generates hail?
- A.
Cumulonimbus
- B.
Cirrus
- C.
Stratus
- D.
Cumulus
- E.
None of the above
Correct Answer
A. CumulonimbusExplanation
Cumulonimbus clouds are known for their vertical development and can reach great heights in the atmosphere. These clouds are associated with thunderstorms and can produce hail due to the strong updrafts within them. As the updrafts carry raindrops upward into extremely cold regions of the cloud, they freeze and form ice pellets. These ice pellets can then be carried back down by downdrafts within the cloud, creating hail. Therefore, cumulonimbus clouds are the cloud type that generates hail.Rate this question:
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- 40.
Which of the following radiates the longest wavelength of electromagnetic energy?
- A.
Sun
- B.
Earth
- C.
Mars
- D.
Ice cream
- E.
Hot tea
Correct Answer
D. Ice creamExplanation
The correct answer is ice cream. Ice cream does not radiate any electromagnetic energy, as it is not a source of heat or light. The other options, such as the sun, earth, mars, and hot tea, all emit electromagnetic energy in the form of heat and light. The wavelength of electromagnetic energy decreases as the temperature increases, so ice cream, being a cold substance, would have the longest wavelength of electromagnetic energy among the given options.Rate this question:
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- 41.
When condensation occurs which of the following applies?
- A.
Deposition
- B.
Dew point is reached
- C.
100% relative humidity is archived
- D.
Sublimation
- E.
B & c
Correct Answer
E. B & cExplanation
Condensation occurs when water vapor in the air cools and changes into liquid form. The dew point is the temperature at which the air becomes saturated and condensation begins to form. When the dew point is reached, the air is at 100% relative humidity, meaning it cannot hold any more water vapor. Therefore, both option b (dew point is reached) and option c (100% relative humidity is achieved) apply when condensation occurs.Rate this question:
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- 42.
What is the most common gas found in the modern atmosphere?
- A.
O 2
- B.
CO 2
- C.
Aargon
- D.
H2o
- E.
N 2
Correct Answer
E. N 2Explanation
The most common gas found in the modern atmosphere is N2, or nitrogen. Nitrogen makes up about 78% of the Earth's atmosphere. It is an inert gas that is essential for life as it is a key component of proteins and nucleic acids. Nitrogen is also important for the nitrogen cycle, where it is converted into different forms by bacteria and other organisms, allowing it to be used by plants and animals.Rate this question:
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- 43.
In which layer or layers does the temperature decrease with altitude?
- A.
Troposphere
- B.
Thermosphere
- C.
Mesosphere
- D.
Stratosphere
- E.
A & c
Correct Answer
E. A & cExplanation
The temperature decreases with altitude in the troposphere and mesosphere. The troposphere is the lowest layer of the atmosphere where weather occurs, and as you go higher in this layer, the temperature decreases. The mesosphere is the layer above the stratosphere, and it is also characterized by a decrease in temperature with increasing altitude. Therefore, options a & c, which include the troposphere and mesosphere, are the correct layers where the temperature decreases with altitude.Rate this question:
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- 44.
Which clouds would you find between 2,000-6,000 ft in elevation?
- A.
Stratus
- B.
Cirrostratus
- C.
Altocumulus
- D.
Cirrus
- E.
Altostratus
Correct Answer
E. AltostratusExplanation
Altostratus clouds are found between 2,000-6,000 ft in elevation. These clouds are characterized by their uniform gray or blue-gray appearance and cover the sky like a blanket. They are often associated with steady, continuous precipitation, such as light rain or snow. Altostratus clouds are formed when moist air is lifted to higher altitudes, causing the water vapor to condense into a layer of clouds.Rate this question:
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- 45.
Which of the following is the reason for the moon having the greatest influence on Earth's tides?
- A.
Mass of the moon
- B.
Composition of moon
- C.
Distance of moon
- D.
Man on the moon
- E.
Alien space station on the moon
Correct Answer
C. Distance of moonExplanation
The reason for the moon having the greatest influence on Earth's tides is the distance of the moon. The gravitational force between the moon and Earth is strongest when they are closest to each other, causing a tidal bulge on the side of Earth facing the moon. As the Earth rotates, this bulge creates high tides. The farther the moon is from Earth, the weaker the gravitational force and the smaller the tidal effect. Therefore, the distance of the moon is the main factor determining the strength of its influence on Earth's tides.Rate this question:
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- 46.
Why does ocean salinity contain high concentrations of ions such as Na + Cl -?
- A.
Ions are the least abundant on earth
- B.
Ions are consumed by various sinks in the ocean
- C.
Ions are being provided to oceans by rivers
- D.
Ions are not utilized by organisms in the ocean
- E.
Ions are placed into the ocean by aliens
Correct Answer
D. Ions are not utilized by organisms in the oceanExplanation
Ions are not utilized by organisms in the ocean. Organisms in the ocean have limited ability to use or remove ions from the water. As a result, ions tend to accumulate in the ocean over time, leading to high concentrations of ions such as Na+ and Cl-.Rate this question:
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- 47.
1 kilogram of air at 25 degrees celsius can hold 20 grams of water vapor at saturation. If 5 grams of water is contained what is the relative humidity?
- A.
100%
- B.
75%
- C.
50%
- D.
25%
- E.
10%
Correct Answer
D. 25%Explanation
The relative humidity is calculated by dividing the actual amount of water vapor present (5 grams) by the maximum amount of water vapor the air can hold at that temperature (20 grams) and multiplying by 100. In this case, (5/20) * 100 = 25%. Therefore, the relative humidity is 25%.Rate this question:
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- 48.
Which northern hemisphere season is depicted in this image?
- A.
Spring
- B.
Summer
- C.
Fall
- D.
Winter
Correct Answer
B. SummerExplanation
The image depicts a scene with lush green trees, blue skies, and bright sunlight, indicating a warm and vibrant atmosphere. These characteristics are typically associated with the summer season in the northern hemisphere.Rate this question:
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- 49.
Which letter represents the continental rise?
- A.
A
- B.
B
- C.
C
- D.
D
Correct Answer
D. DExplanation
The continental rise is represented by letter d. The continental rise is a gently sloping accumulation of sediments found at the base of the continental slope. It is formed by the deposition of sediment eroded from the continent and transported by turbidity currents. The sediments gradually build up over time, creating a gradual incline known as the continental rise.Rate this question:
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- 50.
Which current below is a cold water current?
- A.
Agulhas
- B.
Labrador
- C.
East australian
- D.
Kuroshio
Correct Answer
B. LabradorExplanation
The Labrador current is a cold water current. It flows southward along the eastern coast of Canada and carries cold Arctic water towards the equator. This current is responsible for the cool temperatures experienced along the northeastern coast of North America.Rate this question:
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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
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Current Version
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Mar 20, 2023Quiz Edited by
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May 16, 2011Quiz Created by
Danielrcabrera
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