Praxis Earth and Space Sciences: Content Knowledge (5571 / 5572) Practice Test

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• Which term describes the atmospheric circulation in tropical regions dominated by rising warm air?
• In the Sun's internal structure, which zone lies directly after the core?
• Which phase follows the Full Moon and precedes the Last Quarter, with a waning illumination?
• Which cells occur between latitude 60° north and south and the poles?
• Which term describes the amount of water vapor present in air expressed as a percentage of saturation at the same temperature?
• What happens during fusion in the Sun involving hydrogen-2 and hydrogen-3?
• Air around a high-pressure system spirals in which direction?
• The point of initial movement during an earthquake is called the
• Earthquakes at divergent plate boundaries are associated with which depth category?
• Spring tide is the phenomenon where tides are strongest due to alignment of which bodies?
• Which astronomer first used a telescope to study the stars and observed the Moon's surface and the phases of Venus?
• A desert lake with high salinity due to high rates of evaporation and no outlets for the water forms in desert regions. What is this lake called?
• During the Ordovician period, most life lived in the sea. Which sea-dwelling groups were heavily affected?
• A gently sloping, shallow area of the ocean floor that extends outward from the edge of a continent
• Nuclear fusion in the Sun involves which reactants?
• Pumice is an example of which category of igneous rock?
• An upward fold in rock formed by compression is called
• Which term refers to the mass of water vapor contained in a specific volume of air?
• Extrusive igneous rocks typically have which texture due to rapid cooling at or near the surface?
• Which term describes the two days when neither hemisphere is tilted toward or away from the Sun?
• Which term describes magma or igneous rock that is rich in magnesium and iron and generally dark in color?
• The composition 78% nitrogen, 21% oxygen, 0.9% argon, 0.1% other gases describes which concept?
• Which planet has the most moons according to the notes?
• Which statement best describes how ocean currents influence climate patterns?
• Which rock is sedimentary?
• Which term describes sediment formed by precipitation of minerals?
• What weather is typically associated with a high-pressure system?
• Shallow earthquakes are typically associated with which type of plate boundary?
• What are the cycles called that involve alternating global glacials and interglacials over geological timescales?
• Energy that is radiated or transmitted in the form of rays or waves or particles is called what?
• Which phenomenon provides evidence for the Big Bang and the early hot state of the universe?
• What term describes the time when the Sun is farthest from the Earth's equator?
• Which mass extinction is the third largest in Earth's history and had two peak dying times?
• What is the term for the organic circulation of carbon from the atmosphere into organisms and back again?
• Which four periods are listed oldest to youngest among the first four?
• Epochs belong to which era?
• Which mineral is a carbonate mineral?
• What term describes the fraction of incident light that a surface reflects?
• Deep earthquakes are associated with which plate boundary?
• Which mass extinction is often called 'The Great Dying' and led to reptile dominance afterward?
• Which dating method determines the actual age of a fossil on the basis of the amount of a radioactive element it contains?
• How do fronts form?
• Which term describes the lighter region surrounding the umbra?
• What is evaporation?
• Approximately what percentage of Earth's atmosphere is oxygen?
• Which clouds are high, wispy, and composed of ice crystals?
• Which rock type forms from the cooling and solidification of magma beneath Earth's surface?
• Approximately how many days are in Earth's orbit around the Sun?
• Which cloud is typically the lowest in the sky and appears as flat, layered sheets?
• Which planet is described as a gas giant mainly composed of hydrogen and helium?
• Granite is typically composed of which minerals?
• Which planet is noted for being the largest planet and hosting a large red storm?
• Which statement best describes the role of ocean currents in climate?
• Which term describes the warming effect caused by the atmosphere trapping infrared radiation?
• Which layer is the outermost layer of rock comprising dry land and ocean floor?
• Cosmic microwave background radiation is best described as ...
• Which list contains only extrusive igneous rock examples?
• In which era did the first reptiles appear?
• Which process involves the conversion of a liquid to a gas?
• Spring tide occurs when the tidal range is greatest, during which Moon phases?
• Which suffix indicates the local origin of the sediment?
• Which astronomer built an observatory and collected data on stars and planets for over 20 years, and is tied to the discovery of a new star in Cassiopeia?
• What are the primary elements composing the universe?
• Maria on the Moon are best described as
• Which rock is metamorphic?
• Which term describes the coastal winds that occur when sea air moves toward land during the day and reverses at night?
• A dome in geology is best described as:
• Which groups are cited as examples of the earliest shelled organisms?
• What is a dwarf planet?
• Which statement best describes the Big Bang Theory?
• Kepler's Second Law states that
• Penumbra is defined as which part of a shadow?
• What is the length of a sidereal day?
• Which statement best explains why ocean salinity varies by location?
• Humboldt Current is a cold ocean current that flows north along the Pacific coast of South America before turning west. Which of the following describes it?
• What does the Mohs hardness scale measure?
• Which coastal process refers to the gradual disappearance of cliffs and beaches due to the action of the sea?
• Which suffix indicates the process that formed the sediment?
• Which mineral test is used to determine a mineral's powder color?
• Which phase precedes the Full Moon and has almost all lit from the right with a small left portion unlit?
• Which description best defines upwelling in ocean waters?
• Which process takes O2 from the atmosphere and releases CO2 as part of cellular respiration?
• What is parallax?
• What is the approximate composition of the Sun by percent for hydrogen and helium?
• Which eon directly follows the Archean Eon?
• Which astronomer observed that the Milky Way is composed of countless stars?
• Which statement best describes Saturn?
• What term describes the amount of heat required to change a liquid to a gas?
• Which of the following is a mineral?
• What term describes a downward fold in rock formed by compression in Earth's crust?
• Why do ocean waves form?
• Which mineral is a carbonate?
• What is the term for the ratio of a mineral's weight to the weight of an equal volume of water?
• A fountain of water and steam that builds up pressure underground and erupts at regular intervals is called a
• Tree ring dating is the process of determining the age of a tree by counting what?
• Which planet is the 8th from the Sun and was located primarily through mathematical prediction?
• Which circulation cell predominates in tropical and subtropical regions and shapes major weather patterns?
• Which term best describes an igneous rock composed mainly of magnesium- and iron-rich minerals?
• Spots on the ocean floor where hot gases and minerals escape from Earth's interior into the water are called
• What is retrograde motion in astronomy?
• What percent of Earth's total water is contained in the oceans?
• How does the temperature of seawater vary with depth?
• How is a star's color related to its temperature?
• Which law states that every object attracts every other object, with force depending on mass and distance?
• What is the name of the stress that squeezes rock until it folds or breaks (convergence)?
• Which scientist defined the laws of motion and gravity and contributed to telescope design?
• Which atmospheric cell lies between Hadley cells and polar cells?
• Which layer lies between crust and core and is roughly 2900 kilometers thick?
• Which planet has a day length of about 24 hours and a year of about 687 Earth days?
• Which theory explains the Moon's formation as a collision between Earth and a Mars-sized body?
• What term describes ground that remains permanently frozen for at least two consecutive years?
• Why do seasons occur on Earth?
• If a water wave has a wavelength of 60 m and a period of 6 s, what is its speed?
• Which statement best describes the combined effects of increasing latitude and increasing elevation on average temperature?
• Which mineral is an oxide that is commonly used as an iron ore?
• Terrigenous sediment is derived from which source and transported to the ocean by which processes?
• What is the change of state from a liquid to a gas called?
• Cosmic Microwave Background Radiation is best described as ...
• How is sedimentary rock formed?
• Which gas is most directly increased in the atmosphere due to widespread deforestation?
• What are Milankovitch cycles?
• Blueshift is the Doppler shift of spectral features to shorter wavelengths, observed when an object is moving toward the observer.
• Which statement best summarizes Kepler's laws?
• Approximately how many million years ago did the supercontinent Pangaea begin to break apart?
• What is the orbital point nearest the Sun called?
• Which Moon feature is formed by ancient basalt lava flows?
• Who formulated the laws of motion and gravity and contributed to telescope design?
• The Rock Cycle is best described as what?
• If an equinox occurs around March 21, what does this imply about day and night lengths?
• What are the four eons ordered from oldest to most recent?
• What is a nebula?
• Which minerals are commonly found in evaporite deposits?
• What is the process called when a gas changes directly into a solid?
• Which statement best defines salinity?
• Which term is used for rocks formed from cemented sediment grains?
• Interstellar Cloud Theory describes solar system formation as the Sun passing through what kind of material?
• The percentage of the total volume of a rock or sediment that consists of open spaces is called what?
• In a dark-line spectrum, what do the dark lines indicate?
• How is metamorphic rock formed?
• Which statement best differentiates a meteoroid from a meteor?
• How is the fossil record used to infer the evolution of life-forms?
• Which pair correctly identifies the softest and hardest minerals on the Mohs scale?
• Which color category best describes felsic igneous rocks?
• The lithosphere rests on top of which layer?
• What describes the movement of water and sediment down a beach caused by waves arriving at an angle?
• Sediment cores from lake beds are valuable in paleoenvironmental reconstruction because they preserve what?
• The breaking down of rocks and other materials on the Earth's surface is called what?
• What type of fault is primarily associated with horizontal movement of blocks due to shear stress?
• Which dating method uses ancient shifts in Earth's magnetic field to determine relative ages of rocks?
• Which test measures how easily a mineral can be scratched?
• Which epoch marks the end of the last Ice Age?
• A body of rock or sediment that stores groundwater and allows the flow of groundwater is known as what?
• What is the Doppler effect?
• El Niño-Southern Oscillation (ENSO) is best described as which of the following?
• Sediment cores are core samples taken from lake beds or other water sources for analysis of their pollen. What is analyzed in sediment cores to reconstruct past environments?
• Which planet is the 7th from the Sun and rotates on its side with a blue-green color due to methane?
• Which era is oldest among the options listed?
• Which law states that for every action there is an equal and opposite reaction?
• The Cretaceous-Tertiary extinction is famous for the death of the dinosaurs. Which other groups perished at the end of the Cretaceous?
• Which term describes a liquid capable of dissolving other substances, with water cited as an example due to its polarity and hydrogen bonding?
• Which event marks the longest day of the year in the Northern Hemisphere?
• What is a white dwarf?
• Which process explains how volcanoes are formed at plate boundaries?
• After a cold front passes, which weather change is typical?
• What is the downward movement of water through soil and rock due to gravity?
• Solar eclipses can only occur during which phase of the Moon?
• Deeper earthquakes are most commonly associated with which boundary type?
• Which seismic waves travel only through solids?
• Which statement describes a Continental Polar (CP) air mass?
• Which phase comes after a New Moon and before the First Quarter, showing a lit crescent on the right?
• What process describes iron formation in stars?
• Which colors penetrate water most effectively, contributing to the ocean's blue-green appearance?
• The process of converting atmospheric nitrogen gas into nitrogen compounds that plants can absorb and use is called what?
• Under what conditions do glaciers develop?
• What happens to a wave's speed as it moves into shallower water near the shore?
• Which term describes the change of state from a liquid to a gas?
• Newton's First Law is described by which statement?
• What is a protostar?
• On which date is the Sun at its southernmost position in the sky in the Northern Hemisphere?
• Which of the following is NOT a strategy to help reduce the occurrence of algal blooms?
• What observation by Hubble supported the expanding universe theory?
• Which of the following gases is a greenhouse gas?
• What process in Earth's interior drives plate motion?
• Which of the following describes the mechanism behind plate motion?
• Which statement defines dew point?
• Which phenomenon causes moving air and water to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere due to Earth's rotation?
• What is the stage called when a cloud of dust and gas collapses under gravity and forms a protostar?
• Which formula expresses Newton's Second Law?
• Deeper earthquakes are associated with which boundary type?
• Which order lists Epochs from oldest to most recent (Cenozoic)?
• The deepest earthquakes are typically produced at which boundary type?
• Which gas makes up the largest portion of Earth's atmosphere?
• Which event marks the shortest day of the year?
• Which list correctly names the layers of the Earth's atmosphere from lowest to highest?
• Which cloud type looks like flat blankets and is typically the lowest in the sky?
• Why are comets referred to as dirty snowballs?
• Which phase shows roughly half illuminated and increasing?
• A long high sea wave caused by an earthquake, submarine landslide, or other disturbance is called:
• When did the Great Oxidation Event occur?
• Which Galileo observation supported the heliocentric model?
• In which atmospheric layer is the ozone layer located?
• +Which term describes extraterrestrial sources of sediment?
• Which term describes magma or igneous rock that is rich in feldspars and silica and generally light in color?
• A prominence on the Sun is
• Which phase occurs after the First Quarter and before the Full Moon, where most of the Moon is lit?
• What are the approximate periods for Earth's rotation and orbit?
• Which event occurs around June 21 in the Northern Hemisphere?
• The stress produced by two tectonic plates moving apart (divergence) is called?
• With increasing elevation, what happens to air pressure and temperature?
• What layer is primarily composed of iron and nickel and remains solid at Earth's center?
• Which of the following is an example of a silicate mineral?
• Which of the following is an intrusive igneous rock?
• Why do weather systems generally move across the US from west to east?
• How old is the universe?
• Which solar system feature is described as a spherical shell around the solar system formed by comets with long orbital periods?
• Which atmospheric layer shows a rise in temperature with altitude due to ozone absorbing ultraviolet radiation?
• Which boundary type is most associated with the deepest earthquakes?
• Which factors have been blamed for the Triassic-Jurassic extinction?
• Which physical process in the mantle explains the motion of tectonic plates?
• Who described galaxies by their shape?
• Given a wave with wavelength 80 meters and a period of 8 seconds, what is its speed?
• Which statement best describes a white dwarf?
• Which label correctly identifies the youthful stage of a river?
• When were the first multicellular organisms created?
• Ice cores reveal past atmospheric composition through what feature?
• During the Jurassic period, which landmass is said to have broken off Gondwanaland?
• During which period did India break off from Gondwanaland?
• What percentage of Earth's freshwater is found underground?
• Why do stars with great mass tend to die fast?
• Which piece of evidence supports the Big Bang, discovered in the 1960s?
• What causes hail to form in thunderstorms?
• Which layer lies between the core and the crust and accounts for about 80 percent of Earth's total volume?
• Which statement best describes Mercury?
• During the Hadean Eon Earth looked like?
• White/gray/cream colored soil layer cemented by carbonates of calcium and magnesium is known as which zone?
• Dark matter is matter that does not give off electromagnetic radiation but is quite abundant in the universe.
• Which set correctly lists the three stages of a river?
• Which phenomenon is most likely to occur when groundwater withdrawal reduces underground pressure, causing the ground to collapse?
• Which event has roughly equal day and night lengths around March 21?
• What property describes how a mineral reflects light?
• How do weather satellites aid in weather forecasting?
• Which of the following is a halide mineral?
• Which property of water explains its ability to dissolve salts and other substances?
• Which planet comes immediately after Earth in the solar system order?
• At the end of the Proterozoic, Earth is associated with which global glaciation?
• Which statement best describes the spreading rates at the East Pacific Rise compared with the Mid-Atlantic Ridge?
• Beyond about 1000 meters depth, how does seawater temperature change with depth?
• Which term describes the balance between incoming solar energy and outgoing energy at Earth's top of the atmosphere?
• Which process uses dissolved CO2, sunlight, and water to produce carbohydrates in marine plants?
• Which of the following is an igneous rock?
• Water that fills the cracks and spaces in underground soil and rock layers is referred to as what?
• Parallax is used to determine what?
• Before and after the passing of a cold front, which sequence describes typical weather?
• What does apparent magnitude measure?
• What term refers to holes dug or drilled deep into the ground to reach a reservoir of groundwater?
• Which of the following are significant causes of pollution in surface water and groundwater?
• Which term refers to a body of rock or sediment that stores groundwater and allows the flow of groundwater?
• Which volcanic gas is primarily associated with warming the climate?
• Eccentricity refers to which aspect of Earth's orbit?
• Left-lateral shear occurs when opposite sides move past one another to the left. Which of the following describes this type of motion?
• Which sequence lists geologic periods from oldest to most recent?
• What is a relatively small, rocky body that travels through space?
• The layer in the stratosphere at approximately 20 miles that contains a concentration of ozone sufficient to block most ultraviolet radiation from the sun is called what?
• Which event marks the start of summer in the Northern Hemisphere and focuses on the maximum daylight?
• Which descriptions best fit Jupiter?
• Which phase comes after Full Moon and before Last Quarter, where all of the Moon is lit except for a small bit on the right?
• Which term describes the continuous process by which water moves from Earth's surface to the atmosphere and back?
• What is the tidal cycle of one high tide and one low tide per day?
• Which astronomer first formulated a scientifically based heliocentric cosmology?
• What factors influence stream velocity?
• La Niña is characterized by cooling of the ocean surface off the western coast of which region?
• Which process describes a solid changing directly into a gas?
• Which statement is true about the relative hardness of fluorite and quartz?
• What term describes the variation of temperature with altitude across the atmospheric layers?
• A chain of volcanic islands generally located a few hundred kilometers from a trench where there is active subduction of one oceanic plate beneath another is called:
• Terrigenous sediment is derived from which source?
• How are mass, temperature, and luminosity related for a star?
• The Great Dying refers to which mass extinction event?
• When did the first shelled organisms appear?
• What term refers to force directed parallel to a surface (transform)?
• Which volcanic gas contributes to cooling the climate?
• How is upwelling related to wind?
• During the day, which coastal wind blows from sea toward land?
• Permeability measures what property?
• Which local wind pattern involves slopes heating during the day and cooler valley floors, with slopes losing heat at night?
• What happens when a continental polar mass meets with a maritime tropical air mass?
• Which trio of sediment origin categories is commonly used to classify marine sediments?
• What are Cepheid variable stars?
• What causes tides?
• Which statement is an expression of Newton's Third Law?
• The compositional zoning in plagioclase crystals from center to edge is explained by which process?
• Terrigenous sediment is derived from which source?
• Which waves travel through liquids and solids and arrive first?
• Sunspots are areas of gas on the Sun's surface that are cooler than the surrounding gases. Which statement best describes sunspots?
• Which reservoir contains the largest share of Earth's water?
• Which statement defines a galaxy?
• Which sequence correctly shows metamorphic progression from shale to gneiss?
• Which clouds are fluffy, white, with flat bottoms, resembling cotton balls?
• Evaporation of water from the leaves of a plant is known as what?
• Which of the following is a sulfide mineral?
• The Rock Cycle describes:
• Having two high tides and two low tides each day.
• Which soil layer is formed where evaporation exceeds precipitation and is cemented by calcium and magnesium carbonates?
• Which test describes the way a mineral breaks along smooth surfaces?
• What is a black hole?
• Which seismic waves travel only through solids and move side-to-side or up-and-down, slower than P waves?
• What process converts sediments into solid rock by compaction or cementation?
• How are dark line spectra used?
• Which statement best describes the Doppler effect?
• What is an isochron map?
• Which is the correct order of the Sun's layers from inside to outside?
• Which Moon phase occurs when the Moon is between Earth and the Sun and is not visible from Earth?
• Which process involves the transport of sediment along a coastline due to waves striking at an angle?
• Which property primarily explains water's ability to dissolve many substances?
• Dendrochronology determines the age of a tree by counting what?
• Which sediment type is defined as originating on the slope, rise, and deep-ocean floor and accumulating in the ocean?
• Which Moon phase is directly after the New Moon?
• When did the Cretaceous period occur (approximately how many million years ago)?
• What is the intermolecular force called when a hydrogen atom bonded to a highly electronegative atom attracts an unshared pair of electrons on a nearby electronegative atom?
• What is a galaxy?
• Which statement best describes an evaporite mineral?
• Which statement about main sequence stars is true?
• What is a solar eclipse?
• In the Northern Hemisphere, what is the direction of air flow around a high-pressure system?
• Right-lateral shear occurs when opposite sides move past one another to the right. Which option describes this type of shear?
• Which gases such as carbon dioxide, methane, nitrous oxide, water vapor, and ozone are involved in the greenhouse effect?
• Which event is a gigantic explosion in which a massive star collapses and ejects its outer layers?
• Bowen's Reaction Series describes the sequence in which minerals crystallize from cooling magma according to which factors?
• Which of the following minerals is a sulfide?
• Intrusive igneous rocks typically have which texture due to slow cooling below the surface?
• Which term describes the formation of metamorphic rock bodies that are hundreds of square kilometers in size?
• Which of the following is a halide mineral?
• What percentage of Earth's freshwater is in lakes, rivers, and swamps?
• In which direction do most planets rotate around the Sun?
• Which mineral is the softest on the Mohs hardness scale?
• Water's molecules are polar. Why can water dissolve many salts?
• What structure is built across rivers to regulate water flow and create reservoirs?
• Which side of a mountain tends to be wetter and is associated with fertile land due to moist air rising and rainfall?
• What are the three types of galaxies?
• What term describes water occupying the pore spaces in subsurface rocks and soils?
• During which phase is the entire side facing Earth illuminated?
• Pelagic sediment is best described as which of the following?
• How is igneous rock formed?
• An island consisting of a circular coral reef surrounding a lagoon is called:
• How old is Earth?
• Which planet is blue-green due to methane in its atmosphere and has rings?
• Which of the following is NOT listed as a source of meteoroids?
• What term describes the global ocean circulation driven by density differences causing mixing of surface and deep waters?
• Which term refers to the flat dark plains on the Moon formed by basalt lava?
• The motion of Earth's tectonic plates is primarily driven by which process?
• Seasonal Stars are best described as what?
• Which of the following is a sulfate mineral?
• Which astronomer stated that planetary orbits around the Sun are elliptical and that speed is not constant?
• What is an estuary?
• Anticlines are rock layers that dip in which direction relative to the axis?
• Which of the following is an oxide mineral?
• What is the correct order of the eight planets from closest to farthest from the Sun?
• Gulf Stream Current is the current from the South that brings warm water on the coast of North Carolina. Which option correctly describes this current?
• Ice cores are used to study climate change by drilling into which features?
• Which set of layers correctly describes the Moon's internal structure?
• Which of the following is an extrusive igneous rock?
• Which mineral tends to crystallize early in Bowen's Reaction Series?
• What phenomenon occurs when seawater invades a freshwater aquifer due to pumping?
• The Devonian Mass Extinction is characterized by major ecological restructuring with emphasis on reef systems and wiping out about 3/4 of species.
• Umbra is defined as which part of a shadow?
• Climograph is a plot of the temperature and precipitation in a particular region. Which two climate variables does a climograph typically display?
• Io is a moon of which planet that exhibits active volcanism?
• Kepler's Third Law relates orbital period to orbital size. Which statement is correct?
• What term describes a wall of earth built to prevent a river from flooding its banks?
• Which of the following is a carbonate mineral?
• An oceanic circulation pattern that drives the mixing of surface water and deep water.
• What is the largest source of biogenic sediment on the ocean floor?
• Which colors penetrate deepest into clear ocean water?
• Dew point is defined as which of the following?
• Water has the property of absorbing a lot of heat before its temperature changes. This is due to its:
• What is the streak color of gold?
• What is the direct transfer of heat from one substance to another that it is touching?
• What term describes warming that results when solar radiation is trapped by the atmosphere?
• Why are there more impact craters on the Moon than on Earth?
• Which term is used for the mass extinction at the end of the Cretaceous?
• Kepler's First Law describes the shape of planetary orbits. Which statement is correct?
• Which rock would fizz with hydrochloric acid?
• What happens to a meteoroid as it passes through Earth's atmosphere?
• Which term best describes a rock or sediment layer that stores groundwater and allows its flow, enabling extraction for wells?
• What does the Hertzsprung-Russell diagram relate?
• Which layer is commonly referred to as the visible surface of the Sun?
• Which term describes the area around a pumping well where the water table has been lowered?
• Io's volcanism is driven by tidal heating from Jupiter's gravity.
• How does the Sun influence global and local wind patterns?
• Impermeable beds of geologic material that hinder or prevent groundwater movement are called:
• Specific gravity is defined as
• Ice floats on water because of which property?
• What is a supernova?
• What term describes ground that remains frozen year-round for more than two consecutive years?
• How do stars form?
• In the shale to gneiss metamorphic sequence, which rock is the final metamorphic rock in the sequence?
• What are the local winds called that blow from sea to land by day and from land to sea by night?
• What term describes metamorphic rocks with a layered or banded texture due to the alignment of minerals?
• During the ENSO warming phase, which region experiences cooler and wetter conditions?
• Which phenomenon is commonly associated with cumulonimbus clouds?
• A large, flat, almost level area of the deep-ocean basin
• Which of the following is not an atmospheric layer?
• What is precession?
• Which phase comes after a third quarter moon and before a new moon, with less than half illuminated on the left?
• Which boundary type is most likely to generate shallow earthquakes?
• Approximately what percentage of the heat from climate change is absorbed by the oceans as water warms?
• Hydrogenous sediment is defined as which of the following?
• Which astronomer displaced Earth from the center by proposing a heliocentric cosmology?
• Shallow earthquakes are most commonly produced at which boundary?
• What is the term for the natural cycle involving evaporation, condensation, and precipitation?
• Which statement describes a Maritime Tropical (MT) air mass?
• What do unconformities in the rock record represent?
• Deeper earthquakes are typically associated with which plate boundary?
• Which sequence lists Earth's eras from oldest to most recent?
• What is the Kuiper Belt?
• Hydrogenous sediment on the seafloor is composed of minerals that crystallize from seawater.
• What is the Oort Cloud?
• Nebular Hypothesis describes the solar system as evolving from which structure?
• Which surface condition yields the highest albedo?
• The layer beneath the lithosphere on which lithospheric plates move is called the
• What evidence in the solar spectrum indicates the presence of sodium in the Sun's atmosphere?
• Which mineral is softest on the Mohs scale?
• Which gas is most likely to be directly affected by widespread deforestation?
• During which period did the first dinosaurs appear?
• In weather systems described, which direction does weather typically move?
• Which description accurately describes Mars?
• Autumnal Equinox occurs around September 22 in the Northern Hemisphere. On what date does it occur?
• Lunar eclipses can only occur during which phase of the Moon?
• What is the term for a low place in the surface of the land, often with water occupying the lowest part?
• Which statement best describes the Triassic-Jurassic extinction?
• Which option best describes mantle convection?
• What occurs during a lunar eclipse?
• What is condensation?
• A flow of groundwater that emerges naturally at the ground surface is called what?
• Which option describes the definition of a solar flare as described?
• Which statement about Earth is true?
• Which statement about pyrite and gold is true?
• Where are hydrothermal vents typically found?
• Which phase occurs after the Last Quarter and before the New Moon, with less than half illuminated on the left?
• What typically happens before and after a warm front?
• What generates the Sun's magnetic field?
• What is the term for the natural process describing how a stream channel moves over time?
• What is the solar wind?
• What percentage of Earth's freshwater is stored in glaciers?
• Which atmospheric layer lies directly above the troposphere?
• Which group contains only sedimentary rocks?
• What describes the balance between the amount of energy coming in from the Sun and going back out into space?
• Which term refers to the deep-ocean, flat, almost level plain?
• Which phase has half illuminated with light on the LEFT?
• Anticlines and synclines are formed by which geologic process?
• Which term describes a small body of matter from outer space that enters the Earth's atmosphere, becoming incandescent as a result of friction and appearing as a streak of light?
• What is the general effect of increasing latitude on a region's average temperature?
• During which event is the Earth between the Sun and the Moon, causing the Moon to be darkened by Earth's shadow?
• Which statement describes the Moon's characteristics most accurately?
• Which of the following pairs are examples of oxide minerals?
• Why do waves break at the shoreline?
• Which technology uses sound waves to detect objects underwater?
• Which feature commonly forms at divergent plate boundaries?
• What is the seasonal reversal of winds in the Indian Ocean region that affects monsoon patterns?
• Which is the largest dissolved component by proportion in seawater?
• Redshift is the shift of light to a longer wavelength as it moves away.
• Which extrusive igneous rock has a glassy texture often formed from rapid cooling of lava?
• What term describes a large surface crater caused by the collapse of an underground channel or cavern, often triggered by groundwater withdrawal?
• Which process forms metamorphic rocks?
• In the Northern Hemisphere, what is the direction of air flow around a low-pressure system?
• Which Moon phase is characterized by the Moon waxing and about a quarter of it visible?
• What is the transfer of heat by the movement of a fluid called?
• When the sea loses energy, it drops the sand, rock particles and pebbles it has been carrying.
• Which of the following is not a silicate mineral?
• Air around a low-pressure system spirals in which direction?
• Which rock type forms from the cooling and solidification of lava at Earth's surface?
• Which planet is famous for its spectacular rings primarily composed of ice and frosted rock?
• An upward fold in rock formed by compression is called?
• A glacier that forms in mountainous regions is known as what?
• Which planet is furthest from the Sun?
• Which planet is described as having a dense atmosphere and high temperatures, often noted for acid rain and craters on its surface?
• What weather is typically associated with a low-pressure system?
• What is the name of the single landmass that broke apart about 250 million years ago and gave rise to today's continents?
• Why is quartz common?
• During which geologic period did the Tethys Sea form between Laurasia in the north and Gondwanaland in the south?
• What is a meteoroid that passes through the atmosphere and hits Earth's surface called?
• Which term describes sediment formed from biological sources?
• Which statement correctly explains the cause of the seasons?
• What term describes the area from which groundwater has been rapidly withdrawn?
• Which mineral is a common light-colored constituent of granite?
• Which of the following is a phosphate mineral?
• Which of the following is a covalent network solid?
• Which term describes a contracting cloud of gas and dust with enough mass to form a star?
• What term describes the underwater mountain range where new ocean floor is created?
• Which atmospheric circulation cell lies primarily between 30° and 60° latitude?
• World wind belts influence on climate: which statement is true?
• On the apparent magnitude scale, which value corresponds to the brightest observed star?
• Which statement correctly describes the main sequence?
• In plate tectonics, which layer is described as a weak, plastic region of the upper mantle that allows plate motion?
• Which statement best describes Cepheid period-luminosity relation?
• The point on the surface directly above the focus is called the
• Which two properties are plotted on the Hertzsprung-Russell diagram?
• Neap tide occurs when the Sun and Moon are at right angles, producing which tidal range?
• Which process uses the sun's energy to convert water and CO2 into sugars?
• Which cloud type is associated with heavy rain, hail, and often tornadoes, and has anvil-shaped top?
• Which structure is an uplifted, rounded area formed by compressional forces?
• Axial tilt affects what aspect of climate?
• Synclines are rock layers that dip in which direction relative to the axis?
• A long ridge of sand or narrow island that lies parallel to the shore is a:
• Which rock is formed by rapid cooling of lava near Earth's surface?
• An underwater mountain chain where new ocean floor is formed
• How do clouds form?
• Which statement about the streak colors of pyrite and gold is correct?