Geoscience Fundamentals
Chapter Exam Questions
Course Introduction
Geoscience Fundamentals provides a comprehensive introduction to the principles and processes shaping the Earth. This course covers essential topics such as the structure and composition of the Earth, plate tectonics, the rock cycle, mineralogy, surface processes, and geologic time. Students will explore how physical, chemical, and biological factors interact to influence Earths history and present-day environments. Emphasis is placed on developing observational and analytical skills, understanding geologic materials, and applying critical thinking to interpret the dynamic systems of our planet. This foundational knowledge prepares students for advanced study in various geoscience disciplines.
Recommended Textbook
Elemental Geosystems 6th Edition by Robert W. Christopherson
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Chapter 1: Foundations of Geography
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Sample Questions
Q1) Relative to the fundamental themes of geography, the Taj Mahal in India and Ayers Rock in Australia are best described within which of the five themes?
A) location
B) place
C) human-Earth relationships
D) movement
E) regions
Answer: B
Q2) The practice of setting time ahead or behind during the year, out of coordination with the Sun, is termed
A) Coordinated Universal Time.
B) Daylight Saving Time.
C) Standard Time.
D) Greenwich Mean Time.
Answer: B
Q3) Because scientific ideas are tested, they can be corrected when they are wrong.
A)True
B)False
Answer: True
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Chapter 2: Solar Energy, Seasons, and the Atmosphere
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Sample Questions
Q1) Based on composition, the atmosphere is divided into two broad regions: the ionosphere and the ozonosphere.
A)True
B)False
Answer: False
Q2) Which of the following is true of Earth's orbit about the Sun?
A) It is perfectly circular.
B) It is elliptical.
C) It takes approximately the same time for Earth to orbit the Sun as it does for the rest of the planets in the solar system to orbit the Sun.
D) The orbit does not vary over millions of years.
E) Both B and C are true.
Answer: B
Q3) The thermopause refers to
A) Earth's magnetic field.
B) the solar atmosphere that extends into space.
C) the top of Earth's atmosphere, some 480 km (300 mi.) above the surface.
D) the Sun's surface.
Answer: C
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Chapter 3: Atmospheric Energy and Global Temperatures
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Sample Questions
Q1) The ocean temperature rarely rises above 31 degrees C (88 degrees
A) positive; evaporation
B) positive; ocean currents
C) negative; evaporation
D) negative; ocean currents
E) because of ________ feedback caused by ________.
Answer: C
Q2) Earth's average overall albedo is
A) 31 percent.
B) 51 percent.
C) 69 percent.
D) unknown.
Answer: A
Q3) The temperature control that specifically relates to opaqueness is A) altitude.
B) specific heat.
C) transmissibility.
D) evaporation.
Answer: C
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Chapter 4: Atmospheric and Oceanic Circulation
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Sample Questions
Q1) The United States has less installed wind-generating capacity than A) Portugal.
B) Germany.
C) Denmark.
D) France.
Q2) Air flow in a Northern Hemisphere \(\underline { \text { high } }\) pressure zone is
A) downward, outward and clockwise.
B) downward, outward and counterclockwise.
C) inward, upward and clockwise.
D) inward, upward and counterclockwise.
E) downward, inward and clockwise.
Q3) Ocean currents are produced by
A) the frictional drag of winds.
B) the Coriolis force and water density differences.
C) land-sea breezes.
D) Both A and B are correct.
Q4) Ocean currents play a relatively small role in regulating climate.
A)True
B)False
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Chapter 5: Atmospheric Water and Weather
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Sample Questions
Q1) The area along a cold front is described by which of the following?
A) wind direction shifting and strong, warm air abruptly lifted by colder air
B) warm air being lifted gently and steadily over cooler air
C) an area of clear skies and north winds
D) the center of the cyclone, lowest pressure, counterclockwise winds
Q2) Which of the following is true of migrating centers of \(\underline {\text { low } }\) pressure in the Northern Hemisphere?
A) The winds diverge from the pressure system and spiral outward in a clockwise fashion.
B) These pressure systems tend to move east to west along storm tracks.
C) These pressure systems are characterized by converging, ascending air that spirals inward in a counterclockwise fashion.
D) They form only a minor weather pattern in the middle and higher latitudes.
Q3) When high-level air in the subtropics sinks, it is heated by \(\underline {\text { compression } }\) and this \(\underline {\text { raises } }\) its temperature and relative humidity.
A)True
B)False
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Chapter 6: Water Resources
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Sample Questions
Q1) Of the following regions, which is most vulnerable to water scarcity?
A) South America
B) United States
C) India
D) China
Q2) Which of the following is the most directly useful for estimating stream flow?
A) potential evapotranspiration
B) actual evapotranspiration
C) runoff
D) soil moisture storage
Q3) Which of the following would \(\underline {\text { decrease }}\) the rate at which evapotranspiration occurs?
A) increased temperatures
B) increased wind speed
C) increased humidity
D) increased water availability
Q4) At wilting point, no water remains in the soil.
A)True
B)False
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Chapter 7: Global Climate Systems
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Q1) If precipitation is more than 1/2 of the potential evapotranspiration, but not equal to it, the climate is
A) Tropical Savanna.
B) Desert.
C) Mediterranean.
D) Steppe.
Q2) The bulk of the Amazon River drainage basin is dominated by which one of the following climate classifications?
A) Tropical Monsoon
B) Tropical Savanna
C) Tropical Rain Forest
D) Humid Subtropical, Hot Summer Climates, Moist All Year
Q3) Based on principles discussed earlier in the course, you know that if Earth's axial tilt were to decrease from 23.5 degrees to 21.5 degrees
A) winters would become colder.
B) summers would become hotter.
C) seasonal temperatures would become less extreme.
D) temperatures would not change at all from season to season.
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Chapter 8: The Dynamic Planet
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Sample Questions
Q1) Mafic minerals are ________ minerals.
A) dark colored, high density
B) dark colored, low density
C) light colored, high density
D) light colored, low density
Q2) Tectonic forces
A) erode the surface of Earth.
B) warp, fold, and uplift rock.
C) control soil formation processes.
D) form sedimentary rock.
Q3) Which of the following is true of the aesthenosphere?
A) It contains pockets of increased heat.
B) It flows.
C) It carries the crustal plates.
D) All of these are true.
E) None of these are true.
Q4) Silt and clay are likely to be deposited in a beach environment.
A)True
B)False
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Chapter 9: Earthquakes and Volcanoes
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Sample Questions
Q1) Which of the following is true regarding harmonic tremors?
A) They are associated with the sharp release of energy when two pieces of land move against each other, as along a fault.
B) They are produced by sub-surface movement of magma beneath a volcano.
C) They are associated with movements in the crust caused by cities and traffic.
D) They are produced by explosive volcanic eruptions.
Q2) A topographic region that is characterized by local relief of less than 100 m (325 ft) is considered a
A) plain.
B) high tableland.
C) hill or low tableland.
D) depression.
Q3) An earthquake with a high rating on the Richter scale can receive a low rating on the Mercalli scale.
A)True
B)False
Q4) The Appalachians are older than the Rockies.
A)True
B)False
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Chapter 10: Weathering, Karst Landscapes, and Mass Movement
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Sample Questions
Q1) Which of the following is incorrectly matched?
A) stalagmite - formation built up from a cave floor
B) sinkhole - doline
C) karst towers - formations created by the merging of stalactites and stalagmites
D) complex landscape of intersecting dolines - cockpit karst
Q2) Which of the following is not exogenic in nature?
A) weathering
B) erosion
C) denudation
D) batholith formation
E) mass wasting
Q3) Which of the following is true of the longitudinal profile of most rivers?
A) It always changes at a constant rate from the headwater region to the sea.
B) It is convex in shape.
C) It is concave in shape.
D) It is gentle upstream and steep downstream.
Q4) Iron oxidation produces red and yellow stains on rocks.
A)True
B)False
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Chapter 12: Wind Processes and Desert Landscapes
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Q1) Desertification is not caused by which of the following?
A) overgrazing
B) climate change
C) erosion and salinization of crop land
D) deforestation
E) all of the above cause desertification
Q2) An extensive area of sand and sand dunes is known as a/n
A) reg desert.
B) erg desert, or sand sea.
C) lag desert.
D) desert pavement.
Q3) The dust in a dust storm consists primarily of wind-blown sand.
A)True
B)False
Q4) Which of the following can be found in the Basin and Range province?
A) horsts and grabens
B) faults
C) alluvial fans
D) pediments
E) all of these
Page 13
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Chapter 13: The Oceans, Coastal Processes, and Landforms
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Sample Questions
Q1) The sinuous, branching channels that characterize a salt marsh result from A) spawning beds made by fish.
B) storm tracks.
C) manmade drainage canals.
D) the ebb and flow of tides.
Q2) A beach acts to stabilize a shoreline by absorbing wave energy, even though materials are in almost constant motion.
A)True
B)False
Q3) The littoral zone extends inland to
A) the foreshore dune.
B) the backshore dune.
C) the trough between the primary and secondary dune.
D) the highest water line that occurs during a storm.
Q4) Headlands are the location of \(\underline { \text { diverging } }\) wave action, whereas bays receive converging wave action.
A)True
B)False
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Chapter 14: Glacial and Penglacial Landscapes
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Sample Questions
Q1) During the Pleistocene ice age, many areas of the \(\underline { \text { southwestern } }\)U.S. were covered by large lakes.
A)True
B)False
Q2) Viking colonies in Iceland apparently were deserted because of a
A) rise in sea level brought about by a minor period of global warming in 14th century.
B) drop in temperature that occurred during the "Little Ice Age."
C) decline in food production.
D) both A and C
E) both B and C
Q3) Recent work suggests the climate is not as stable as once believed and that it can change fairly quickly.
A)True
B)False
Q4) A continuous mass of ice covering a large landmass is known as a A) tidal glacier.
B) mountain glacier.
C) continental glacier.
D) valley glacier.
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Chapter 15: The Geography of Soils
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Sample Questions
Q1) If humus were lost from the soil due to excessive farming or soil erosion, which of the following could occur?
A) loss of soil structure
B) loss of fertility
C) loss of water holding capacity
D) all of the above
E) A and B only
Q2) The moist versions of mollisols are the
A) Oxisols.
B) Ultisols.
C) Vertisols.
D) Alfisols.
Q3) Which of the following is false regarding soil erosion?
A) It takes 5 years to mature a few centimeters of soil.
B) 35% of farmland is losing soil faster than it can form.
C) Soil erosion can be controlled by planting on the contour.
D) Soil losses cost the U.S. $25 billion each year.
E) Thirty-five percent of farms worldwide are losing soil faster than it is being formed.
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Chapter 16: Ecosystems and Biomes
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Sample Questions
Q1) The tropical seasonal forest and scrub biome experiences a wet season when ________ and a dry season when ________.
A) the ITCZ is overhead; the subtropical high is overhead
B) the subtropical high is overhead; the ITCZ is overhead
C) the subtropical high is overhead; the equatorial low is overhead
D) the ITCZ is overhead; the equatorial low is overhead
Q2) What would happen death or decay did \(\underline {\text { not } }\)occur?
A) The decomposer component of the food chain would not be operating.
B) The wastes generated by organisms would not decompose and, consequently, the surface of Earth would become covered with nondecaying animal wastes.
C) Nutrient cycling would stop, so soils would eventually lose their fertility, plants would not be able to grow, and the food chain would collapse.
D) all of these E) A and B only
Q3) Most ecosystems are relatively uniform, with few, if any, patches of former landscapes.
A)True
B)False
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Chapter 17: Earth and the Human Denominator
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Sample Questions
Q1) Because pollution does not recognize political boundaries, international cooperation is required to solve Earth's environmental problems. In other words, "we are all in this together."
A)True
B)False
Q2) This is not one of the variables of the planetary impact equation.
A) population
B) affluence
C) technology
D) education level
Q3) Currently, the average natural increase of human population is about ________ percent.
A) 1.2
B) 1.9
C) 2.3
D) 2.8
Q4) Oil spills can cause mutations in organisms exposed to the oil.
A)True
B)False
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