PracticeExamGeology1Key

PracticeExamGeology1Key - 'o'|/oI Teslgt Test#L Geology...

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- /oI Teslgt 'o'| Test #L Geology 101 Fall 2004 Instructor: Dr. Andrew Hajash REruRN TEST with SCANTRON Choose the one alternative that best completes the statement or answers the question. 1) Compared to the age of Earth accepted as correct today, how did 17th and LSth century proponents of catastrophism envision the Earth's age? A) They believed Earth to be much older than current estimates. fnln"y believed Earth to be much younger than current estimates. \f,fhey believed it to be about the same as current estimates, give or take a few million years. D) None of the above-they didn't really address the age of Earth. 2) Which of the following best describes the evolution of oceanic lithosphere? A) It gets younger, hotter and higher in elevation with increasing age. ,pIt gets older, thicker, and heats up at regular intervals throughout it's history (CDt gets older, colder, denser, thicker and lower with increasing age. lftt gradually turns into continental crust through time E) Most of the time, it is sucked into a wormhole and disappears. 3) Vllrich of the following describes radioactive decay by beta particle emission? Q*ffffi:."*b"". of the daughter isotope is one *or" than the parenU the mass numbers B) The daughter isotope has an atomic number one less than the parent and a mass number two less. C) The mass number of the daughter isotope is one more than the parent and both isotopes have the same atomic number. D) The daughter isotope has an atomic number two less than the parent and a mass number four less. S) {}!of the following are possible steps of scientific investigation except for- (A)-pssumption of conclusions without prior experimentation or observation Elthe collection of scientific facts through observation and measurement C) the development of one or more working hypotheses or models to explain facts D) development of observations and experiments to test the hypotheses 1)B 2)* 3)A a) Which one of the following accurately lists the relative order of geologic periods from oldest to 4) j ygngest (periods may be missing in the sequence, but relative age must be correct) {Afilurian, Devonian, Pennsylvanian, Triassic YCretaceous, Jurassic, Triassic, Tertiary C) Triassic, Iurassic, Pennsylvanian, Mississippian D) Era, Period, Epoch, Ag", nothing, system, series, stage E) Silurian, Ordovician, Cambrian, Devonian hP TT 5)4 6)The-formstherelativelycool,brittlePl*Rofplatetectonics. A) crustospherq B) asthenosphere $n.sphere D) mesosphere 7) Ingorrect order from the center outward, Earth includes which units? S)it""r core, outer core, mantle, crust B) inner core, crust, mantle, hydrosphere 6)c C) core, crust, mantle, hydrosphere D) core, inner mantle, outer mantle, crust 7)'
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8) The- refers to the sum total of all life on Earth. A) hydrosphere B) asthenosphere 10) The composition of the core of Earth is thought to be C) atmosphere @iornhere B) silicates D) peridotite 8) 9)The-ProPoSeSthatthebodiesofoursolarsystemformedatessentia1lythesame time from a rotating cloud of gases and dust.
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PracticeExamGeology1Key - 'o'|/oI Teslgt Test#L Geology...

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